Extinct Peerage Titles - L thru R
Surnames and Titles are often different.
Press CTRL + F to search this page for a particular surname.
Titles without an extinction date expired prior to 1900.
NAVIGATION
TITLE
DEGREE
PEERAGE
MO
DAY
YEAR
SURNAME(S)
EXTINCTION DATE
L’ISLE
BARON
E
1347
L’ISLE
L’ISLE
BARON
E
1433
TALBOT
Peerage Index
L’ISLE
VISCOUNT
E
1452
TALBOT
A thru C
L’ISLE
BARON
E
1475
GREY
D thru K
L’ISLE
VISCOUNT
E
1483
GREY
L thru R
L’ISLE
VISCOUNT
E
1513
BRANDON
S thru Z
L’ISLE
VISCOUNT
E
1533
PLANTAGENET
L’ISLE
BARON
E
1541
DUDLEY
L’ISLE
VISCOUNT
E
1542
DUDLEY
L’ISLE
BARON
E
1561
DUDLEY
L’ISLE
VISCOUNT
E
1605
SYDNEY
L’ISLE OF ROUGEMONT
BARON
E
1311
L’ISLE
L’ORTI
BARON
E
1299
L’ORTI
LA MARE
BARON
E
1299
MARE
LAKE
BARON
UK
1804
LAKE
LAKE
VISCOUNT
UK
1807
LAKE
LAMBOURNE
BARON
UK
6
19
1917
LOCKWOOD
1928
LAMBURY OF NORTHFIELD
BARON
UK
3
26
1962
LORD
1967
LAMINGTON OF LAMINGTON
BARON
UK
5
3
1880
COCHRANE-BAILLIE
1951
LANCASTER
EARL
E
1267
PLANTAGENET
LANCASTER
BARON
E
1299
LANCASTER
LANCASTER
DUKE
E
3
6
1351
PLANTAGENET
1399
LANE
BARON
I
1676
LANE
LANERTON
BARON
UK
1873
HOWARD
1880
LANESBOROUGH
VISCOUNT
I
1676
LANE
LANG OF LAMBETH
BARON
UK
4
2
1942
LANG
1945
LANGDALE
BARON
E
1658
LANGDALE
LANGDALE
BARON
UK
1836
BICKERSTETH
1851
LANGFORD
VISCOUNT
I
1700
ROWLEY
LANSDOWNE
BARON
GB
1712
GRANVILLE
LASCELES
BARON
E
1295
LASCELES
LATHOM
EARL
UK
5
3
1880
BOOTLE-WILBRAHAM
1930
LATIMER
BARON
E
1299
LATIMER
LATIMER
BARON
E
1432
NEVILL
LATIMER OF BRAYBROOKE
BARON
E
1299
LATIMER
LATIMER OF DANBY
VISCOUNT
E
8
5
1673
OSBORNE
1964
LAUDERDALE
DUKE
S
5
2
1672
MAITLAND
1682
LAUDERDALE
BARON
UK
1806
MAITLAND
1863
LAUNCESTON
VISCOUNT
UK
7
18
1917
MOUNTBATTEN
1960
LAVINGTON
BARON
I
1795
PAYNE
LAWRENCE OF KINGSGATE
BARON
UK
1923
LAWRENCE
1927
LAWSON
BARON
UK
3
17
1950
LAWSON
1965
LE BOTILER
BARON
I
LE BOTILER
Peerage Index
LECALE
VISCOUNT
I
1624
CROMWELL
A thru C
LECALE
BARON
I
1800
FITZGERALD
D thru K
LECHMERE
BARON
GB
1721
LECHMERE
L thru R
LEE OF FAREHAM
BARON
UK
7
9
1918
LEE
1947
S thru Z
LEE OF FAREHAM
VISCOUNT
UK
11
20
1922
LEE
1947
LEEDS
DUKE
E
5
4
1694
OSBORNE
1964
LEICESTER
EARL
E
1103
BELLAMONT OR BEAUMONT
LEICESTER
EARL
E
1206
MONTFORT
LEICESTER
EARL
E
1264
PLANTAGENET
LEICESTER
EARL
E
1563
DUDLEY
LEICESTER
EARL
E
1618
SYDNEY
LEICESTER
EARL
GB
1744
COKE
LEICESTER
EARL
GB
1784
TOWNSHEND
1855
LEIGH
BARON
E
1643
LEIGH
LEIGHTON OF STRETTON
BARON
UK
1896
LEIGHTON
1896
LEINSTER
EARL
I
1645
CHOLMONDELEY
LEINSTER
DUKE
I
1691
SCHOMBERG
LEITH OF FYVIE
BARON
UK
12
18
1905
FORBES-LEITH
1925
LEITRIM
BARON
I
1583
BURKE
LEITRIM
VISCOUNT
I
12
3
1793
CLEMENTS
1952
LEITRIM
EARL
I
9
30
1795
CLEMENTS
1952
LEITRIM OF MANOR HAMILTON
BARON
I
10
11
1783
CLEMENTS
1952
LENNOX
EARL
S
1488
STEWART
LENNOX
EARL
S
1572
STUART
LENNOX
EARL
S
1578
STUART
LENNOX
EARL
S
1580
STUART
LENNOX
DUKE
S
8
5
1581
STEWART
1672
LEXINTON
BARON
E
1645
SUTTON
LEY
BARON
E
1625
LEY
LEYBURN
BARON
E
1299
LEYBURN
LEYBURN
BARON
E
1337
LEYBURN
LICHFIELD
EARL
E
1645
STUART
LICHFIELD
EARL
E
1674
LEE
LIGONIER
VISCOUNT
I
1757
LIGONIER
LIGONIER
BARON
GB
1763
LIGONIER
LIGONIER
EARL
GB
1766
LIGONIER
LIMERICK
EARL
I
1685
DUNGAN, DONGAN
1715
LIMERICK
VISCOUNT
I
1719
HAMILTON
LINCOLN
EARL
E
1142
ROMARE
LINCOLN
EARL
E
1216
GANT
LINCOLN
EARL
E
1232
LACY
LINCOLN
EARL
E
1349
PLANTAGENET
Peerage Index
LINCOLN
EARL
E
1467
POLE
A thru C
LINCOLN
EARL
E
1525
BRANDON
D thru K
LINCOLNSHIRE
MARQUESS
UK
2
26
1912
WYNN-CARRINGTON, CARINGTON
1928
L thru R
LINDORES
BARON
S
1600
LESLIE
S thru Z
LINDSAY
LORD
S
1455
LINDSAY
LINDSEY
MARQUESS
E
1706
BERTIE
LINGEN OF LINGEN
BARON
UK
1885
LINGEN
1905
LINLITHGOW
EARL
S
1600
LIVINGSTON
LINTON AND CABARSTOWN
BARON
S
1683
STUART
DORMANT 1861
LISBURNE
VISCOUNT
I
1685
LOFTUS
LISGAR
BARON
UK
1870
YOUNG
1887
LISMORE OF SHANBALLY
BARON
I
1785
O’CALLAGHAN
1898
LISMORE OF SHANBALLY
VISCOUNT
I
1806
O’CALLAGHAN
1898
LISMORE OF SHANBALLY CASTLE
BARON
UK
1838
O’CALLAGHAN
1898
LISTER OF LYME
BARON
UK
1897
LISTER
1912
LIVERPOOL
EARL
GB
1746
JENKINSON
LIVERPOOL
EARL
GB
1796
1851
LIVINGSTON
LORD
S
1449
LIVINGSTON
LIVINGSTON
LORD
S
1633
LIVINGSTON
LIVINGSTON
LORD
S
1660
LIVINGSTON
LLANDAFF
BARON
I
1783
MATHEW
LLANDAFF
VISCOUNT
I
1793
MATHEW
LLANDAFF
EARL
I
1797
MATHEW
LLANDAFF
VISCOUNT
UK
1895
MATTHEWS
1913
LLANDOVER
BARON
UK
1859
HALL
1867
LLANGATTOCK
BARON
UK
1892
ROLLS
1916
LLEWELLIN OF UPTON
BARON
UK
9
12
1945
LLEWELLIN
1957
LOCHEE
BARON
UK
1908
ROBERTSON
1911
LOCHINVAR
LORD
S
1633
GORDON
LOFTUS
VISCOUNT
I
1622
LOFTUS
LOFTUS
BARON
I
1751
LOFTUS
LOFTUS
VISCOUNT
I
1756
LOFTUS
LONDESBOROUGH
EARL
UK
7
1
1887
DENISON
1937
LONDONDERRY
EARL
I
1622
RIDGEWAY
LONDONDERRY
BARON
I
1719
PITT
LONDONDERRY
EARL
I
1726
PITT
LONGFORD
VISCOUNT
I
1675
AUNGIER
LONGFORD
EARL
I
1677
AUNGIER
LONGFORD
VISCOUNT
I
1713
FLEMING
LONGUEVILLE
VISCOUNT
E
1690
YELVERTON
LONGUEVILLE
BARON
I
1795
LONGFIELD
Peerage Index
LONGUEVILLE
VISCOUNT
I
1800
LONGFIELD
A thru C
LONGVILLIERS
BARON
E
1342
LONGVILLIERS
D thru K
LONSDALE
VISCOUNT
E
1696
LOWTHER
L thru R
LONSDALE
EARL
GB
1784
LOWTHER
S thru Z
LOREBURN
BARON
UK
1906
REID
1923
LOREBURN
EARL
UK
1911
REID
1923
LORN
LORD
S
1439
STEWART
LOUGHBOROUGH
BARON
GB
1780
WEDDERBURN
LOUGHUYRE
BARON
I
1718
FANE
LOUTH
EARL
I
1319
BERMINGHAM
LOUTH
EARL
I
1759
BERMINGHAM
LOVEL
VISCOUNT
E
1483
LOVEL
LOVEL OF KARY
BARON
E
1348
LOVEL
LOVEL OF MINSTER LOVEL
BARON
GB
1728
LOVEL
LOVEL OF TICHMERSH
BARON
E
1299
LOVEL
LOVELACE
BARON
E
1627
LOVELACE
LOWTHER
BARON
E
1696
LOWTHER
LOWTHER
EARL
GB
1784
LOWTHER
LOWTHER
VISCOUNT
GB
1784
LOWTHER
LUCAN
EARL
I
1689
SARSFIELD
LUCAS
BARON
E
1644
LUCAS
LUCY OF EGREMONT
BARON
E
1320
LUCY
LUDLOW
EARL
GB
1760
LUDLOW
LUDLOW
BARON
UK
1831
LUDLOW
LUDLOW OF HEYWOOD
BARON
UK
1897
LOPES, FRANCO
1922
LUGARD
BARON
UK
1928
LUGARD
1945
LUMLEY
BARON
E
1384
LUMLEY
LUMLEY
BARON
E
1547
LUMLEY
LUNDIE
LORD
S
1642
CAMPBELL
LUTEREL
BARON
E
1295
LUTEREL
LUXBOROUGH
BARON
I
1746
KNIGHT
LYLE
LORD
S
1446
LYLE
LYLE OF WESTBOURNE
BARON
UK
9
13
1945
LYLE
1976
LYNDHURST
BARON
UK
1827
COPLEY
1863
LYNDOCH
BARON
UK
1814
GRAHAM
LYONS
BARON
UK
1856
LYONS
1887
LYONS
VISCOUNT
UK
1881
LYONS
1887
LYTTLETON
BARON
E
1640
LYTTLETON
LYTTLETON
BARON
GB
1756
LYTTLETON
MABANE
BARON
UK
6
15
1962
MABANE
1969
MACARTNEY
BARON
I
1767
MACARTNEY
Peerage Index
MACARTNEY
VISCOUNT
I
1793
MACARTNEY
A thru C
MACARTNEY
EARL
I
1794
MACARTNEY
D thru K
MACARTNEY
BARON
GB
1796
MACARTNEY
L thru R
MACAULAY
BARON
UK
1857
MACAULAY
1859
S thru Z
MACCLESFIELD
EARL
E
1679
GERARD
MACDONALD OF EARNSCLIFFE
BARON
UK
1891
MACDONALD
1920
MACDONELL AND ARRAS
LORD
S
1660
MACDONELL
MACDONNELL
BARON
UK
7
2
1908
MACDONNELL
1925
MACDUFF
VISCOUNT
I
1759
DUFF
1912
MACDUFF
MARQUESS
UK
1889
DUFF
1912
MACGILL
LORD
S
1651
MACGILL
MACKENZIE
BARON
S
1609
MACKENZIE
MACLEOD
LORD
S
1685
MACKENZIE
MADELEY
EARL
UK
7
3
1911
CREWE-MILNES, OFFLEY
1945
MADERTY
LORD
S
1609
DRUMMOND
MAENAN OF ELLESMERE
BARON
UK
6
23
1948
TAYLOR
1951
MAGENNIS
VISCOUNT
I
1623
MAGENNIS
MAGHERAMORNE
BARON
UK
7
5
1887
MCGAREL-HOGG
1957
MAGUIRE
BARON
I
1627
MAGUIRE
MALCOLM OF POLTALLOCH
BARON
UK
1896
MALCOLM
1902
MALLOWNE
BARON
I
1622
MALLOWNE O’MULLAN
MALMESBURY
MARQUESS
GB
1715
WHARTON
MALTON
BARON
GB
1728
WATSON (WENTWORTH)
MALTON
EARL
GB
1734
WATSON (WENTWORTH)
MALTON
BARON
I
1750
WENTWORTH
MALTON
EARL
I
1750
WENTWORTH
MAMHEAD
BARON
UK
1931
NEWMAN
1945
MANNY
BARON
E
1347
MANNY
MANSEL
BARON
GB
1712
MANSEL
MANSFIELD
VISCOUNT
E
1620
CAVENDISH
MANVERS
EARL
UK
4
9
1806
PIERREPONT, MEDOWS
1955
MARCH
EARL
E
1328
MORTIMER
MARCH
EARL
E
1479
PLANTAGENET
MARCH
EARL
S
1582
STEWART
MARCH
EARL
E
1619
STUART
MARCH
MARQUESS
S
1672
MAITLAND
MARCH
EARL
S
DUNBAR
MARCHMONT
EARL
S
1697
HUME
MARISCHAL
EARL
S
1458
KEITH
MARJORIBANKS
BARON
UK
1873
MARJORIBANKS, ROBERTSON
1873
Peerage Index
MARKS
BARON
UK
1929
MARKS
1938
A thru C
MARLBOROUGH
EARL
E
1626
LEY
D thru K
MARMION OF WETRINGTON
BARON
E
1313
MARMION
L thru R
MARMYON
BARON
E
1264
MARMYON
S thru Z
MARNEY
BARON
E
1523
MARNEY
MARR
EARL
S
1426
STEWART
MARR
EARL
S
1457
STEWART
MARR AND GARVIACH
EARL
S
1486
STEWART
MARSHAL
BARON
E
1309
MARSHAL
MARSHALL OF CHIPSTEAD
BARON
UK
1
14
1921
MARSHALL
1936
MARTIN
BARON
E
1295
MARTIN
MARYBOROUGH
BARON
I
1821
WELLESLEY
1863
MASHAM
BARON
GB
1712
MASHAM
MASHAM OF SWINTON
BARON
UK
7
15
1891
CUNLIFFE-LISTER
1924
MASSAREENE
EARL
I
1756
SKEFFINGTON
MATHERS
BARON
UK
1
30
1952
MATHERS
1965
MAUDUIT
BARON
E
1342
MAUDUIT
MAUGHAM
BARON
UK
1935
MAUGHAM
1981
MAUGHAM
VISCOUNT
UK
9
22
1939
MAUGHAM
1981
MAULE OF WHITECHURCH
VISCOUNT
I
1743
MAULE
MAULEY
BARON
E
1295
MAULEY
MAYNARD
BARON
E
1611
MAYNARD
MAYNARD
BARON
I
1620
MAYNARD
1865
MAYNARD
BARON
E
1628
MAYNARD
MAYNARD
VISCOUNT
GB
1766
MAYNARD
1865
MCCORQUODALE OF NEWTON
BARON
UK
9
2
1955
MCCORQUODALE
1971
MCENTEE
BARON
UK
6
26
1951
MCENTEE
1953
MEINILL
BARON
E
1295
MEINILL
MEINILL
BARON
E
1313
MEINILL
MEINILL
BARON
E
1336
MEINILL
MELBOURNE
BARON
I
6
8
1770
LAMB
1853
MELBOURNE
VISCOUNT
I
1
11
1781
LAMB
1853
MELBOURNE
BARON
UK
8
11
1815
1853
MELCOMBE
BARON
GB
1761
DODINGTON
MELFORT
VISCOUNT
S
4
14
1685
DRUMMOND
DORMANT 1902
MELFORT
EARL
S
8
12
1686
DRUMMOND
DORMANT 1902
Peerage Index
MELFORT
DUKE
S
1690
DRUMMOND
EXTINCT - ATTAINTED 1694
A thru C
MELGUM
VISCOUNT
S
1627
GORDON
D thru K
MELROSE
LORD
S
1609
RAMSAY
L thru R
MELROSE (OR MELROS) OF TYNINGHAME
BARON
UK
1827
HAMILTON
1858
S thru Z
MENTEITH
EARL
S
1258
MENTEITH
MEREDYTH
BARON
UK
1866
SOMERVILLE
1929
MERRIMAN OF KNUTSFORD
BARON
UK
1
27
1941
MERRIMAN
1962
METCALFE
BARON
UK
1845
METCALFE
METHVEN
LORD
S
1528
STEWART
MICHELHAM
BARON
UK
12
28
1905
STERN
1984
MICHLETHWAIT
VISCOUNT
I
1727
MICHLETHWAIT
MICKLETHWAIT
BARON
I
1724
MICKLETHWAIT
MIDDLESEX
EARL
E
1622
CRANFIELD
MIDDLETON
EARL
S
1660
MIDDLETON
MIDLETON
EARL
UK
2
2
1920
BRODRICK
1979
MILBROKE
BARON
E
1442
CORNWALL
MILDMAY OF FLETE
BARON
UK
11
20
1922
MILDMAY
1950
MILFORD
BARON
I
1776
PHILIPPS
MILFORD
BARON
UK
1847
PHILIPPS
1857
MILLTOWN
EARL
I
5
20
1763
LEESON
DORMANT 1891
MILNER
VISCOUNT
UK
7
15
1902
MILNER
1925
MILNER OF ST. JAMES’S LONDON
BARON
UK
5
27
1901
MILNER
1925
MILSINGTON
VISCOUNT
S
1703
COLYEAR
MILTON
VISCOUNT
I
7
21
1716
WENTWORTH-FITZWILLIAM
1979
MILTON
BARON
GB
4
19
1742
WENTWORTH-FITZWILLIAM
1979
MILTON
BARON
I
1753
DAMER
MILTON
BARON
GB
1762
DAMER
MILTON
VISCOUNT
GB
1792
DAMER
MOELS
BARON
E
1299
MOELS
MOHUN
BARON
E
1299
MOHUN
MOHUN OF OKEHAMPTON
BARON
E
1628
MOHUN
MOIRA
EARL
GB
1761
RAWDON
MOLINES
BARON
E
1347
MOLINES
MOLYNEUX
VISCOUNT
I
12
22
1628
MOLYNEUX
1972
MONCKTON
BARON
UK
7
4
1887
MONCKTON-ARUNDELL
1971
MONMOUTH
EARL
E
1626
CAREY
MONMOUTH
DUKE
E
2
14
1663
SCOTT (FITZ ROY)
1685
Peerage Index
MONMOUTH
EARL
E
1689
MORDAUNT
A thru C
MONSON
VISCOUNT
I
1628
MONSON
D thru K
MONTACUTE
BARON
E
1300
MONTACUTE
L thru R
MONTACUTE
BARON
E
1342
MONTACUTE
S thru Z
MONTACUTE
BARON
E
1357
MONTACUTE
MONTAGU
BARON
E
1294
NEVILL
MONTAGU
MARQUESS
E
1470
NEVILL
MONTAGU
VISCOUNT
E
1554
BROWNE
MONTAGU
EARL
E
4
9
1689
MONTAGU
MONTAGU
DUKE
E
4
12
1705
MONTAGU
1749
MONTAGU
DUKE
GB
11
5
1766
MONTAGU
1790
MONTAGU OF BOUGHTON
BARON
E
6
29
1621
MONTAGU
1749
MONTAGU OF BOUGHTON
BARON
GB
5
8
1762
MONTAGU
1770
MONTAGU OF BOUGHTON
BARON
GB
8
21
1781
MONTAGU
1845
MONTAGUE
BARON
E
1553
POLE
MONTALT
BARON
E
1295
MONTALT
MONTEAGLE
BARON
E
11
23
1514
PARKER, STANLEY
MONTEITH AND AIRTH
EARL
S
1427
GRAHAM
MONTFORD
BARON
GB
1741
1851
MONTFORT
BARON
E
1295
MONTFORT
MONTFORT
BARON
GB
1741
BROMLEY
MONTGOMERY
BARON
E
1342
MONTGOMERY
MONTGOMERY
VISCOUNT
I
1622
MONTGOMERY
MONTHERMER
BARON
E
3
4
1309
MONTHERMER, NEVILL
MONTJOY OF THE ISLE OF WIGHT
BARON
GB
1711
WINDSOR
MONTROSE
DUKE
S
1488
LINDSAY
ABEYANT 1495 (LACK OF INTEREST AMONG HEIRS)
MONYPENNY
LORD
S
1464
MONYPENNY
MOORE
BARON
I
1715
MOORE
MOORE OF MOORE PLACE
BARON
UK
1
17
1801
MOORE
1892
MORAY
EARL
S
1130
ANGUS
MORAY
EARL
S
1312
RANDOLPH
MORAY
EARL
S
1372
DUNBAR
MORDAUNT
VISCOUNT
E
1659
MORDAUNT
MORDINGTON
LORD
S
1641
DOUGLAS
MORLEY
BARON
E
12
29
1299
MORLEY, PARKER, LOVEL
ABEYANT 1686
MORLEY OF BLACKBURN
VISCOUNT
UK
1908
MORLEY
1923
MORTIMER
BARON
E
1294
MORTIMER
MORTIMER OF CHIRKE
BARON
E
1307
MORTIMER
MORTIMER OF RICHARD’S CASTLE
BARON
E
1297
MORTIMER
MORTMORE
EARL
S
1703
COLYEAR
Peerage Index
MORTON
EARL
S
1458
DOUGLAS, MAXWELL
A thru C
MOUNT ALEXANDER
EARL
I
1661
MONTGOMERY
D thru K
MOUNT CASHEL
VISCOUNT
I
1705
DAVYS
L thru R
MOUNT CASHELL
VISCOUNT
I
1689
M’CARTY
S thru Z
MOUNT CASHELL
VISCOUNT
I
1766
MOORE
1915
MOUNT CASHELL
EARL
I
1781
MOORE
1915
MOUNT CHARLES
BARON
I
1753
CONYNGHAM
MOUNT LEINSTER
VISCOUNT
I
1689
CHEEVERS
MOUNT SANDFORD
BARON
GB
1800
SANDFORD
MOUNT STEPHEN OF BRITISH COLUMBIA
BARON
UK
1891
STEPHEN
1921
MOUNT TEMPLE
BARON
UK
1880
1888
MOUNT TEMPLE
BARON
UK
1932
ASHLEY
1939
MOUNTJOY
BARON
E
1465
LE BLOUNT
MOUNTJOY
BARON
I
1627
BLOUNT
MOUNTJOY
VISCOUNT
I
1682
STEWART
MOUNTJOY
BARON
I
1789
GARDINER
MOUNTJOY
VISCOUNT
I
1795
GARDINER
MOUNTMORRES
BARON
I
5
4
1756
DE MONTMORENCY, MORRES
1951
MOUNTMORRES
VISCOUNT
I
6
9
1763
DE MONTMORENCY, MORRES
1951
MOUNTNORRIS
BARON
I
1628
ANNESLEY
MOUNTRATH
EARL
I
1660
COOTE
MUIR MACKENZIE
BARON
UK
6
29
1915
MUIR-MACKENZIE
1930
MUIRSHIEL
VISCOUNT
UK
7
16
1964
1992
MULGRAVE
EARL
E
1626
SHEFFIELD
MULGRAVE
BARON
GB
1790
PHIPPS
MULTON OF EGREMONT
BARON
E
1297
MULTON
MULTON OF GILLESLAND
BARON
E
1307
MULTON
MUNCASTER
BARON
I
1783
PENNINGTON
1917
MUNCASTER
BARON
UK
1898
PENNINGTON
1917
MUNCHENSI
BARON
E
1264
MUNCHENSI
MUNSTER
DUCHESS
I
7
16
1716
SCHULENBURG
1743
MUNSTER
EARL
GB
1789
GUELPH
1837
MURRAY
LORD
S
1696
MURRAY
MURRAY OF ELIBANK
BARON
UK
1912
MURRAY
1920
MURRAY OF LOCHMABEN
LORD
S
1622
MURRAY
MURRAY OF STANLEY
BARON
GB
8
18
1786
STEWART-MURRAY
1957
MUSGRAVE
BARON
E
1350
MUSGRAVE
MUSKERRY
VISCOUNT
I
1628
M’CARTHY
Peerage Index
NANSLADRON
BARON
E
1299
NANSLADRON
A thru C
NAVAR
LORD
S
1481
STEWART
D thru K
NAVAR
LORD
S
1646
MAULE
L thru R
NEREFORD
BARON
E
1297
NEREFORD
S thru Z
NETTERVILLE
VISCOUNT
I
4
3
1622
NETTERVILLE
1882
NEVILL
BARON
E
1342
NEVILL
NEVILL OF ESSEX
BARON
E
1336
NEVILL
NEVILL OF MONTAGU
BARON
E
1460
NEVILL
NEVILL OF RABY
BARON
E
1294
NEVILL
NEWARK
VISCOUNT
E
1627
PIERREPONT
NEWARK
LORD
S
1661
LESLIE
NEWARK
VISCOUNT
GB
7
23
1796
PIERREPONT, MEDOWS
1955
NEWBURGH
VISCOUNT
S
1647
LIVINGSTON
NEWBURGH
EARL
S
1660
LIVINGSTON
NEWCASTLE
EARL
E
1628
CAVENDISH
NEWCASTLE
MARQUESS
E
1643
CAVENDISH
NEWCASTLE
DUKE
E
3
16
1664
CAVENDISH
1691
NEWCASTLE
DUKE
E
5
14
1694
HOLLES
1711
NEWCASTLE
DUKE
GB
8
11
1715
HOLLES-PELHAM
1768
NEWCASTLE UNDER LYNE
DUKE
GB
11
17
1756
PELHAM-CLINTON
1988
NEWCOMEN
BARON
I
1800
NEWCOMEN
NEWCOMEN
VISCOUNT
I
1803
NEWCOMEN
NEWHAVEN
VISCOUNT
S
1681
CHEYNE
NEWHAVEN
BARON
I
1776
MAYNE
NEWLANDS
BARON
UK
1
19
1898
HOZIER
1929
NEWMARCH
BARON
E
1264
NEWMARCH
NEWPORT
EARL
E
1628
BLOUNT
NEWPORT
BARON
E
1642
NEWPORT
NEWPORT
VISCOUNT
E
1675
NEWPORT
NEWTON
BARON
I
1718
CHILD
NICHOLSON
BARON
UK
1912
NICHOLSON
1918
NITHSDALE
EARL
S
1620
MAXWELL
NOEL OF RIDLINGTON
BARON
E
1617
NOEL
NOEL OF TITCHFIELD
BARON
E
1681
NOEL
NORFOLK
EARL
E
1140
BIGOD
NORFOLK
EARL
E
1312
PLANTAGENET
NORFOLK
DUKE
E
1396
MOWBRAY
NORFOLK
DUCHESS
E
1397
PLANTAGENET
NORFOLK
DUKE
E
1483
HOWARD
NORFOLK AND SUFFOLK
EARL
E
1066
WAYER
NORMAN OF ST. CLERE
BARON
UK
10
13
1944
NORMAN
1950
NORMANBROOK OF CHELSEA
BARON
UK
1
24
1963
BROOK
1967
Peerage Index
NORMANBY
MARQUESS
E
1694
SHEFFIELD
A thru C
NORMANBY
DUKE
E
3
9
1703
SHEFFIELD
1735
D thru K
NORTH OF KIRTLING
BARON
E
2
17
1554
NORTH
ABEYANT 1942, WRIT
L thru R
NORTHALLERTON
VISCOUNT
UK
7
16
1917
CAMBRIDGE
1981
S thru Z
NORTHAMPTON
EARL
E
1066
ST. LIZ
NORTHAMPTON
EARL
E
1337
BOHUN
NORTHAMPTON
MARQUESS
E
1559
PARR
NORTHAMPTON
EARL
E
1604
HOWARD
NORTHBROOK
EARL
UK
6
10
1876
BARING
1929
NORTHCLIFFE
BARON
UK
1905
HARMSWORTH
1922
NORTHCLIFFE
VISCOUNT
UK
1918
HARMSWORTH
1922
NORTHCOTE
BARON
UK
1900
NORTHCOTE
1911
NORTHINGTON
EARL
GB
1764
HENLY
NORTHUMBERLAND
EARL
E
1068
COMYN
1069
NORTHUMBERLAND
EARL
E
1068
COPSI
FORFEITED 1068
NORTHUMBERLAND
EARL
E
1069
COSPATRICK
ATTAINTED AND EXECUTED 1075
NORTHUMBERLAND
EARL
E
1075
WALCHER
1080
NORTHUMBERLAND
EARL
E
1377
PERCY
NORTHUMBERLAND
EARL
E
1467
NEVILL
NORTHUMBERLAND
DUKE
E
10
11
1551
DUDLEY
1553
NORTHUMBERLAND
EARL
E
1557
PERCY
NORTHUMBERLAND
EARL
E
1674
FITZ-ROY
NORTHUMBERLAND
DUKE
E
4
6
1683
FITZ-ROY
1716
NORTHWICK OF NORTHWICK PARK
BARON
GB
1797
RUSHOUT
1887
NORTHWODE
BARON
E
1313
NORTHWODE
NORWICH
BARON
E
1342
NORWICH
NORWICH
EARL
E
1626
DENNY
NORWICH
EARL
E
1646
GORING
NORWICH
EARL
E
1672
HOWARD
NORWICH
EARL
GB
1784
GORDON
NOTTINGHAM
EARL
E
1383
MOWBRAY
NOTTINGHAM
EARL
E
1483
BERKELEY
NOTTINGHAM
EARL
E
1525
FITZ-ROY
NOTTINGHAM
EARL
E
1596
HOWARD
NOVAR
VISCOUNT
UK
12
6
1920
MUNRO-FERGUSON
1934
NUFFIELD
VISCOUNT
UK
1
24
1938
MORRIS
1963
NUFFIELD OF NUFFIELD
BARON
UK
1
13
1934
MORRIS
1963
NUGENT
BARON
I
1689
NUGENT
NUGENT
BARON
I
1767
NUGENT
Peerage Index
NUGENT
EARL
I
1776
TEMPLE-NUGENT-BRYDGES-CHANDOS-GRENVILLE
1889
A thru C
NUGENT
BARON
UK
8
22
1960
NUGENT
1973
D thru K
NUNEHAM
BARON
UK
1
3
1917
HARCOURT
1979
L thru R
O'GRADY OF ROCKBARTON
BARON
I
1
28
1831
O'GRADY
1955
S thru Z
O’BRIEN
VISCOUNT
I
1662
O’BRIEN
O’BRIEN OF KILFENORA
BARON
UK
1900
O’BRIEN
1914
O’CARROLL
BARON
I
1552
O’CARROLL
O’NEILL
BARON
I
1793
O’NEILL
O’NEILL
VISCOUNT
I
1795
O’NEILL
O’NEILL
EARL
I
1800
O’NEILL
OCHILTREE
LORD
S
1615
STEWART
OFFALEY
BARONESS
I
1620
DIGBY (A.K.A. FITZ-GERALD)
OGILVY OF DESKFORD
LORD
S
1616
OGILVY
OGLE
BARON
E
1461
OGLE
OGLE
BARON
E
1620
CAVENDISH
OGLE
VISCOUNT
I
1645
OGLE
OLDCASTLE
BARON
E
1409
OLDCASTLE
OLIPHANT
LORD
S
1456
OLIPHANT
OLIVIER
BARON
UK
1924
OLIVIER
1943
ONGLEY
BARON
GB
1776
ONGLEY
1877
ORANSAY
LORD
S
1706
CAMPBELL
ORFORD
EARL
E
1697
RUSSELL
ORFORD
EARL
GB
1742
WALPOLE
ORFORD
EARL
UK
4
10
1806
WALPOLE
1931
ORKNEY
EARL
S
1379
SINCLAIR
ORKNEY
DUKE
S
5
12
1567
HEPBURN
EXTINCT - ATTAINTED 12-29-1567
ORKNEY
EARL
S
1581
STEWART
ORMATHWAITE
BARON
UK
4
16
1868
WALSH
1984
ORMELIE
EARL
UK
1831
CAMPBELL
1862
ORMELIE
EARL
UK
1885
CAMPBELL
1922
ORMOND
EARL
S
1445
DOUGLAS
ORMOND
EARL
I
1602
BUTLER
ORMOND
MARQUESS
I
1642
BUTLER
ORMOND
EARL
S
1651
DOUGLAS
ORMOND
DUKE
I
1661
BUTLER
ORMONDE
MARQUESS
S
1476
STEWART
ORMONDE
EARL
I
1529
BOLEYNE
ORMONDE
DUKE
I
1681
BUTLER
EXTINCT - ATTAINTED 1715
ORMONDE
DUKE
E
1682
BUTLER
EXTINCT - ATTAINTED 1715
ORMONDE
MARQUESS
I
1816
BUTLER
1820
Peerage Index
ORREBY
BARON
E
1309
ORREBY
A thru C
ORWELL
BARON
I
1762
VERNON
D thru K
OSBORNE OF KIVETON
BARON
E
8
15
1673
OSBORNE
1964
L thru R
OSEBURNE (OSBORNE) OF DUNBLANE
VISCOUNT
S
2
2
1672
OSBORNE
1964
S thru Z
OSSINGTON
VISCOUNT
UK
2
13
1872
DENISON
1873
OVERSTONE
BARON
UK
1850
LOYD
1883
OVERTOUN
BARON
UK
1893
WHITE
1908
OXENBRIDGE OF BURTON
VISCOUNT
UK
1886
MONSON
1898
OXFORD
EARL
E
1135
VERE
OXFORD
EARL
E
1392
VERE
OXFORD
EARL
E
1464
VERE
OXFORD AND MORTIMER
EARL
GB
1711
HARLEY
1853
OXFURD
VISCOUNT
S
1651
MACGILL
OXMANTOWN
BARON
I
1681
PARSONS
PALMERSTON
VISCOUNT
I
1722
TEMPLE
1865
PANMURE
EARL
S
1646
MAULE
PANMURE
EARL
I
1743
MAULE
PANMURE
BARON
UK
1831
MAULE
1874
PARBROATH
LORD
S
1633
LINDSAY
PARR OF HORTON
BARON
E
1543
PARR
PARR OF KENDAL
BARON
E
1538
PARR
PASSFIELD
BARON
UK
6
22
1929
WEBB
1947
PATESHULL
BARON
E
1342
PATESHULL
PAUNCEFOTE OF PRESTON
BARON
UK
1899
PAUNCEFOTE, SMITH
1902
PAYNELL
BARON
E
1299
PAYNELL
PECHE OF BRUNNE
BARON
E
1299
PECHE
PECHE OF WORMLEIGHTON
BARON
E
1321
PECHE
PECKOVER
BARON
UK
1907
PECKOVER
1919
PELHAM
BARON
E
1706
HOLLES
PEMBROKE
EARL
E
1138
CLARE
PEMBROKE
EARL
E
1189
MARSHALL
PEMBROKE
EARL
E
1247
VALENCE
PEMBROKE
EARL
E
1339
HASTINGS
PEMBROKE
EARL
E
1443
POLE
PEMBROKE
EARL
E
1452
TUDOR
PEMBROKE
EARL
E
1468
HERBERT
PEMBROKE
MARCHINONESS
E
1532
BOLEYNE
PENHURST
BARON
E
1025
SMYTHE
PENRHYN
BARON
I
1783
PENNANT
Peerage Index
PENSHURST
BARON
UK
1825
1869
A thru C
PENTLAND
BARON
UK
2
15
1909
SINCLAIR
1984
D thru K
PENZANCE
BARON
UK
1869
WILDE
1899
L thru R
PERCY
BARON
E
1299
PERCY
S thru Z
PERCY
BARON
E
1557
PERCY
PERCY OF NEWCASTLE
BARON
UK
2
12
1953
PERCY
1958
PERRY
BARON
UK
1
28
1938
PERRY
1956
PERTH
BARON
GB
10
14
1797
DRUMMOND
1800
PERY
VISCOUNT
I
1785
PERY
PETERBOROUGH
EARL
E
1628
MORDAUNT
PETERSFIELD
BARONESS
E
1673
QUEROUAILLE
PETHICK-LAWRENCE
BARON
UK
8
16
1945
PETHICK-LAWRENCE
1961
PEVENSEY
VISCOUNT
GB
1730
COMPTON
PEVENSEY
VISCOUNT
I
1816
HOLROYD
1909
PHILLIPSTOWNE
BARON
I
1631
O’DEMPSEY
PIERREPONT
BARON
I
1703
PIERREPONT
PIERREPONT
BARON
GB
1714
PIERREPONT
PIERREPONT OF HOLME PIERREPONT
BARON
GB
7
23
1796
PIERREPONT, MEDOWS
1955
PIGOT
BARON
I
1766
PIGOT
PINKNEY
BARON
E
1299
PINKNEY
PIPARD
BARON
E
1299
PIPARD
PIRBRIGHT
BARON
UK
1895
DE WORMS
1903
PIRRIE
BARON
UK
7
17
1906
PIRRIE
1924
PIRRIE
VISCOUNT
UK
7
9
1921
PIRRIE
1924
PITTENWEEN
LORD
S
1606
STEWART
PLAYFAIR
BARON
UK
9
3
1892
PLAYFAIR
1939
PLAYZ
BARON
E
1297
PLAYZ
PLENDER
BARON
UK
1931
PLENDER
1946
PLESSETS
BARON
E
1299
PLESSETS
PLUGENET
BARON
E
1295
PLUGENET
PLUMER
BARON
UK
10
4
1919
PLUMER
1944
PLUMER
VISCOUNT
UK
1929
PLUMER
1944
PLYMOUTH
EARL
E
1675
FITZ-CHARLES
PLYMOUTH
EARL
E
1682
WINDSOR
POINTZ
BARON
E
1295
POINTZ
POMFRET
EARL
GB
1721
FERMOR
1867
PONSONBY
BARON
UK
1806
PONSONBY
1866
PONSONBY
VISCOUNT
UK
1839
PONSONB
PONTYPRIDD
BARON
UK
2
8
1912
THOMAS
1927
PORTAL
VISCOUNT
UK
2
1
1945
1949
PORTAL OF HUNGERFORD
BARON
UK
9
17
1945
1990
Peerage Index
PORTAL OF HUNGERFORD
VISCOUNT
UK
1
26
1946
PORTAL
1971
A thru C
PORTARLINGTON
BARON
I
1692
MASSUE
D thru K
PORTLAND
EARL
E
1633
WESTON
L thru R
PORTLAND
DUKE
GB
7
6
1716
CAVENDISH-BENTINCK
1990
S thru Z
PORTLESTER
BARON
I
1462
EUSTACE
PORTMORE
BARON
S
1699
COLYEAR
PORTSEA
BARON
UK
1
12
1934
FALLE
1948
PORTSMOUTH
DUCHESS
E
8
19
1673
QUEROUAILLE
1734
POULETT
EARL
E
12
24
1706
POULETT
1973
POULETT OF HITON ST. GEORGE
BARON
E
6
23
1627
1973
POWERSCOURT
VISCOUNT
I
1618
WINGFIELD
POWERSCOURT
VISCOUNT
I
1665
WINGFIELD
POWIS
BARON
E
1629
HERBERT
POWIS
EARL
E
1674
HERBERT
POWIS
MARQUESS
E
1687
HERBERT
POWIS
EARL
GB
1748
HERBERT
POYNINGS
BARON
E
1337
POYNINGS, PERCY
POYNINGS
BARON
E
1545
POYNINGS
PRESTON
VISCOUNT
S
1688
GRAHAM
PRUDHOE
BARON
UK
1816
PERCY
1865
PULTENEY
VISCOUNT
GB
1742
PULTENEY
PURBECK
VISCOUNT
E
1619
VILLIERS
QUEENBOROUGH
BARON
UK
1
18
1918
PAGET
1949
QUIBELL
BARON
UK
7
7
1945
QUIBELL
1962
QUICKSWOOD
BARON
UK
1
25
1941
GASCOYNE-CECIL
1956
RABY
BARON
E
1640
WENTWORTH
RABY
BARON
E
1665
WENTWORTH
RABY OF RABY CASTLE
BARON
UK
1833
VANE AND POWLETT
1891
RADCLIFFE
VISCOUNT
UK
7
11
1962
RADCLIFFE
1977
RADCLIFFE AND LANGLEY
VISCOUNT
E
1688
RADCLIFFE
RADNOR
EARL
E
1679
ROBARTES
RADSTOCK
BARON
I
12
20
1800
WALDEGRAVE
1953
RAINCLIFFE OF RAINCLIFFE
VISCOUNT
UK
7
1
1887
DENISON
1937
RAMALTON
BARON
I
1682
STUART
RAMSAY
LORD
S
1606
RAMSAY
RAMSDEN OF BIRKENSHAW
BARON
UK
7
12
1945
RAMSDEN
1955
RANCLIFFE
BARON
GB
1795
PARKYNS
RANELAGH
VISCOUNT
I
8
25
1628
JONES
1885
RANELAGH
EARL
I
12
11
1677
JONES
1885
RANELAGH
BARON
I
4
18
1715
COLE
1754
RANK
BARON
UK
7
2
1957
RANK
1972
Peerage Index
RANKSBOROUGH
BARON
UK
1914
BROCKLEHURST
1921
A thru C
RATENDONE
VISCOUNT
UK
2
23
1931
FREEMAN-THOMAS
1979
D thru K
RATHDOWNE
EARL
UK
1822
MONCK
L thru R
RATHFARNHAM
BARON
I
1685
LOFTUS
S thru Z
RATHFARNHAM
EARL
I
1715
WHARTON
RATHMORE
BARON
UK
1895
PLUNKET
1919
RATHWIER
BARON
I
1475
DANIEL
RATOATH
BARON
I
1468
BOULD
RAVENSWORTH
BARON
GB
1747
LIDDEL
RAVENSWORTH
EARL
UK
1874
LIDDELL
1904
RAWLINSON
BARON
UK
10
6
1919
RAWLINSON
1925
RAYMOND
BARON
GB
1731
RAYMOND
RAYMOND
VISCOUNT
I
1800
O’NEILL
REAY
BARON
UK
1881
MACKAY
1921
REDESDALE
BARON
UK
1802
FREEMAN-MITFORD
1886
REDESDALE
EARL
UK
1877
FREEMAN-MITFORD
1886
RENDEL OF HATCHLANDS
BARON
UK
1894
RENDEL
1913
RHAYADER
BARON
UK
1932
LEIF-JONES
1939
RHONDDA
BARON
UK
1
28
1916
THOMAS
1958
RHONDDA
VISCOUNT
UK
6
19
1918
THOMAS
1958
RIBBLESDALE OF GISBURNE
BARON
GB
10
26
1797
LISTER
1925
RICCARTOUN
VISCOUNT
S
1697
HAMILTON
RICH
BARON
E
1547
RICH
RICHMOND
EARL
E
1068
DE DREUX
RICHMOND
EARL
E
1452
TUDOR
RICHMOND
EARL
E
1613
STUART
RICHMOND
DUKE
E
5
17
1623
STUART
1624
RICHMOND
DUKE
E
8
8
1641
STUART
1672
RICHMOND AND SOMERSET
DUKE
E
6
18
1525
FITZ-ROY
1536
RIDDELL
BARON
UK
1
28
1920
RIDDELL
1934
RIDGEWAY
BARON
I
1616
RIDGEWAY
RIPARIIS
BARON
E
1299
RIPARIIS OR RIVERS
RIPON
EARL
UK
1833
ROBINSON
1923
RIPON
MARQUESS
UK
1871
ROBINSON
1923
RIVERS
BARON
E
1448
WIDVILE
RIVERS
EARL
E
1466
WIDVILE
RIVERS
EARL
E
1626
SAVAGE
RIVERS
COUNTESS
E
1641
SAVAGE
RIVERS
BARON
GB
1776
PITT
RIVERS
BARON
UK
1802
PITT
1880
RIVERSDALE
BARON
GB
1783
TONSON
1861
Peerage Index
RIVERSTON
BARON
I
1689
NUGENT
A thru C
ROBARTES
BARON
E
1625
ROBARTES
D thru K
ROBARTES
BARON
UK
12
13
1869
AGAR-ROBARTES
1974
L thru R
ROBERTS OF KANDAHAR
BARON
UK
1892
ROBERTS, LEWIN
1914
S thru Z
ROBERTS OF KANDAHAR
EARL
UK
2
11
1901
ROBERTS, LEWIN
1955
ROBINS OF RHODESIA AND CHELSEA
BARON
UK
7
10
1958
ROBINS
1962
ROBINSON OF KIELDER
BARON
UK
7
15
1947
ROBINSON
1952
ROBSART
BARON
E
1425
ROBSART
ROCHE
VISCOUNT
I
1490
ROCHE
ROCHESTER
VISCOUNT
E
1611
CARR
ROCHESTER
EARL
E
1652
WILMOT
ROCHESTER
EARL
E
1682
HYDE
ROCHFORD
EARL
E
1695
NASSAU
ROCHFORT
VISCOUNT
E
1525
BOLEYNE
ROCHFORT
VISCOUNT
E
1621
CAREY
ROCKINGHAM
BARON
E
1645
WATSON
ROCKINGHAM
EARL
GB
1714
WATSON
ROCKINGHAM
MARQUESS
GB
1746
WATSON
ROE
BARON
UK
1917
ROE
1923
ROKEBY
BARON
I
1777
ROBINSON
1883
ROLLE
BARON
GB
1748
ROLLE
ROMILLY
BARON
UK
1
3
1866
ROMILLY
1983
ROMNEY
EARL
E
1694
SYDNEY
ROOKWOOD
BARON
UK
1892
SELWYN-IBBETSON
1902
ROS
BARON
E
1332
ROS
ROS OF HAMLAKE
BARON
E
1264
ROS
ROS OF WERKE
BARON
E
1295
ROS
ROSCOMMON
EARL
I
1185
DILLON
ROSMEAD
BARON
UK
8
11
1896
ROBINSON
1933
ROSS
EARL
S
1165
ROSS
ROSS
DUKE
S
1
29
1488
STEWART
1504
ROSS
LORD
S
1490
ROSS
ROSS
EARL
I
1772
GORE
ROSS OF HAWKHEAD
BARON
UK
1815
BOYLE
1890
ROSSE
VISCOUNT
I
1681
PARSONS
ROSSE
EARL
I
1718
PARSONS
ROSSIE OF ROSSIE
BARON
UK
1831
KINNAIRD
1878
ROTHERHAM
BARON
UK
7
18
1910
HOLLAND
1950
ROTHESAY
DUKE
S
1828
STUART
ROUNDWAY
BARON
UK
6
30
1916
COLSTON
1944
ROWTON
BARON
UK
1880
LOWRY-CORRY
1903
ROYDEN
BARON
UK
1
28
1944
ROYDEN
1950
Peerage Index
RUFFSIDE
VISCOUNT
UK
12
14
1951
BROWN
1958
A thru C
RUGLEN
EARL
S
1697
HAMILTON
D thru K
RUSHCLIFFE
BARON
UK
1
24
1935
BETTERTON
1949
L thru R
RUSHOLME
BARON
UK
1945
PALMER
1977
S thru Z
RUSSBOROUGH
BARON
I
1756
LEESON
DORMANT 1891
RUSSBOROUGH
VISCOUNT
I
1760
LEESON
DORMANT 1891
RUTHERFORD
BARON
S
1661
RUTHERFORD
RUTHERFORD OF NELSON
BARON
UK
1931
RUTHERFORD
1937
RUTHVEN
VISCOUNT
E
1487
RUTHVEN
RUTHVEN
LORD
S
1639
RUTHVEN
RYTHRE
BARON
E
1299
RYTHRE
Titles without an extinction date expired prior to 1900.
| NAVIGATION | TITLE | DEGREE | PEERAGE | MO | DAY | YEAR | SURNAME(S) | EXTINCTION DATE |
|---|---|---|---|---|---|---|---|---|
| L’ISLE | BARON | E | 1347 | L’ISLE | ||||
| L’ISLE | BARON | E | 1433 | TALBOT | ||||
| Peerage Index | L’ISLE | VISCOUNT | E | 1452 | TALBOT | |||
| A thru C | L’ISLE | BARON | E | 1475 | GREY | |||
| D thru K | L’ISLE | VISCOUNT | E | 1483 | GREY | |||
| L thru R | L’ISLE | VISCOUNT | E | 1513 | BRANDON | |||
| S thru Z | L’ISLE | VISCOUNT | E | 1533 | PLANTAGENET | |||
| L’ISLE | BARON | E | 1541 | DUDLEY | ||||
| L’ISLE | VISCOUNT | E | 1542 | DUDLEY | ||||
| L’ISLE | BARON | E | 1561 | DUDLEY | ||||
| L’ISLE | VISCOUNT | E | 1605 | SYDNEY | ||||
| L’ISLE OF ROUGEMONT | BARON | E | 1311 | L’ISLE | ||||
| L’ORTI | BARON | E | 1299 | L’ORTI | ||||
| LA MARE | BARON | E | 1299 | MARE | ||||
| LAKE | BARON | UK | 1804 | LAKE | ||||
| LAKE | VISCOUNT | UK | 1807 | LAKE | ||||
| LAMBOURNE | BARON | UK | 6 | 19 | 1917 | LOCKWOOD | 1928 | |
| LAMBURY OF NORTHFIELD | BARON | UK | 3 | 26 | 1962 | LORD | 1967 | |
| LAMINGTON OF LAMINGTON | BARON | UK | 5 | 3 | 1880 | COCHRANE-BAILLIE | 1951 | |
| LANCASTER | EARL | E | 1267 | PLANTAGENET | ||||
| LANCASTER | BARON | E | 1299 | LANCASTER | ||||
| LANCASTER | DUKE | E | 3 | 6 | 1351 | PLANTAGENET | 1399 | |
| LANE | BARON | I | 1676 | LANE | ||||
| LANERTON | BARON | UK | 1873 | HOWARD | 1880 | |||
| LANESBOROUGH | VISCOUNT | I | 1676 | LANE | ||||
| LANG OF LAMBETH | BARON | UK | 4 | 2 | 1942 | LANG | 1945 | |
| LANGDALE | BARON | E | 1658 | LANGDALE | ||||
| LANGDALE | BARON | UK | 1836 | BICKERSTETH | 1851 | |||
| LANGFORD | VISCOUNT | I | 1700 | ROWLEY | ||||
| LANSDOWNE | BARON | GB | 1712 | GRANVILLE | ||||
| LASCELES | BARON | E | 1295 | LASCELES | ||||
| LATHOM | EARL | UK | 5 | 3 | 1880 | BOOTLE-WILBRAHAM | 1930 | |
| LATIMER | BARON | E | 1299 | LATIMER | ||||
| LATIMER | BARON | E | 1432 | NEVILL | ||||
| LATIMER OF BRAYBROOKE | BARON | E | 1299 | LATIMER | ||||
| LATIMER OF DANBY | VISCOUNT | E | 8 | 5 | 1673 | OSBORNE | 1964 | |
| LAUDERDALE | DUKE | S | 5 | 2 | 1672 | MAITLAND | 1682 | |
| LAUDERDALE | BARON | UK | 1806 | MAITLAND | 1863 | |||
| LAUNCESTON | VISCOUNT | UK | 7 | 18 | 1917 | MOUNTBATTEN | 1960 | |
| LAVINGTON | BARON | I | 1795 | PAYNE | ||||
| LAWRENCE OF KINGSGATE | BARON | UK | 1923 | LAWRENCE | 1927 | |||
| LAWSON | BARON | UK | 3 | 17 | 1950 | LAWSON | 1965 | |
| LE BOTILER | BARON | I | LE BOTILER | |||||
| Peerage Index | LECALE | VISCOUNT | I | 1624 | CROMWELL | |||
| A thru C | LECALE | BARON | I | 1800 | FITZGERALD | |||
| D thru K | LECHMERE | BARON | GB | 1721 | LECHMERE | |||
| L thru R | LEE OF FAREHAM | BARON | UK | 7 | 9 | 1918 | LEE | 1947 |
| S thru Z | LEE OF FAREHAM | VISCOUNT | UK | 11 | 20 | 1922 | LEE | 1947 |
| LEEDS | DUKE | E | 5 | 4 | 1694 | OSBORNE | 1964 | |
| LEICESTER | EARL | E | 1103 | BELLAMONT OR BEAUMONT | ||||
| LEICESTER | EARL | E | 1206 | MONTFORT | ||||
| LEICESTER | EARL | E | 1264 | PLANTAGENET | ||||
| LEICESTER | EARL | E | 1563 | DUDLEY | ||||
| LEICESTER | EARL | E | 1618 | SYDNEY | ||||
| LEICESTER | EARL | GB | 1744 | COKE | ||||
| LEICESTER | EARL | GB | 1784 | TOWNSHEND | 1855 | |||
| LEIGH | BARON | E | 1643 | LEIGH | ||||
| LEIGHTON OF STRETTON | BARON | UK | 1896 | LEIGHTON | 1896 | |||
| LEINSTER | EARL | I | 1645 | CHOLMONDELEY | ||||
| LEINSTER | DUKE | I | 1691 | SCHOMBERG | ||||
| LEITH OF FYVIE | BARON | UK | 12 | 18 | 1905 | FORBES-LEITH | 1925 | |
| LEITRIM | BARON | I | 1583 | BURKE | ||||
| LEITRIM | VISCOUNT | I | 12 | 3 | 1793 | CLEMENTS | 1952 | |
| LEITRIM | EARL | I | 9 | 30 | 1795 | CLEMENTS | 1952 | |
| LEITRIM OF MANOR HAMILTON | BARON | I | 10 | 11 | 1783 | CLEMENTS | 1952 | |
| LENNOX | EARL | S | 1488 | STEWART | ||||
| LENNOX | EARL | S | 1572 | STUART | ||||
| LENNOX | EARL | S | 1578 | STUART | ||||
| LENNOX | EARL | S | 1580 | STUART | ||||
| LENNOX | DUKE | S | 8 | 5 | 1581 | STEWART | 1672 | |
| LEXINTON | BARON | E | 1645 | SUTTON | ||||
| LEY | BARON | E | 1625 | LEY | ||||
| LEYBURN | BARON | E | 1299 | LEYBURN | ||||
| LEYBURN | BARON | E | 1337 | LEYBURN | ||||
| LICHFIELD | EARL | E | 1645 | STUART | ||||
| LICHFIELD | EARL | E | 1674 | LEE | ||||
| LIGONIER | VISCOUNT | I | 1757 | LIGONIER | ||||
| LIGONIER | BARON | GB | 1763 | LIGONIER | ||||
| LIGONIER | EARL | GB | 1766 | LIGONIER | ||||
| LIMERICK | EARL | I | 1685 | DUNGAN, DONGAN | 1715 | |||
| LIMERICK | VISCOUNT | I | 1719 | HAMILTON | ||||
| LINCOLN | EARL | E | 1142 | ROMARE | ||||
| LINCOLN | EARL | E | 1216 | GANT | ||||
| LINCOLN | EARL | E | 1232 | LACY | ||||
| LINCOLN | EARL | E | 1349 | PLANTAGENET | ||||
| Peerage Index | LINCOLN | EARL | E | 1467 | POLE | |||
| A thru C | LINCOLN | EARL | E | 1525 | BRANDON | |||
| D thru K | LINCOLNSHIRE | MARQUESS | UK | 2 | 26 | 1912 | WYNN-CARRINGTON, CARINGTON | 1928 |
| L thru R | LINDORES | BARON | S | 1600 | LESLIE | |||
| S thru Z | LINDSAY | LORD | S | 1455 | LINDSAY | |||
| LINDSEY | MARQUESS | E | 1706 | BERTIE | ||||
| LINGEN OF LINGEN | BARON | UK | 1885 | LINGEN | 1905 | |||
| LINLITHGOW | EARL | S | 1600 | LIVINGSTON | ||||
| LINTON AND CABARSTOWN | BARON | S | 1683 | STUART | DORMANT 1861 | |||
| LISBURNE | VISCOUNT | I | 1685 | LOFTUS | ||||
| LISGAR | BARON | UK | 1870 | YOUNG | 1887 | |||
| LISMORE OF SHANBALLY | BARON | I | 1785 | O’CALLAGHAN | 1898 | |||
| LISMORE OF SHANBALLY | VISCOUNT | I | 1806 | O’CALLAGHAN | 1898 | |||
| LISMORE OF SHANBALLY CASTLE | BARON | UK | 1838 | O’CALLAGHAN | 1898 | |||
| LISTER OF LYME | BARON | UK | 1897 | LISTER | 1912 | |||
| LIVERPOOL | EARL | GB | 1746 | JENKINSON | ||||
| LIVERPOOL | EARL | GB | 1796 | 1851 | ||||
| LIVINGSTON | LORD | S | 1449 | LIVINGSTON | ||||
| LIVINGSTON | LORD | S | 1633 | LIVINGSTON | ||||
| LIVINGSTON | LORD | S | 1660 | LIVINGSTON | ||||
| LLANDAFF | BARON | I | 1783 | MATHEW | ||||
| LLANDAFF | VISCOUNT | I | 1793 | MATHEW | ||||
| LLANDAFF | EARL | I | 1797 | MATHEW | ||||
| LLANDAFF | VISCOUNT | UK | 1895 | MATTHEWS | 1913 | |||
| LLANDOVER | BARON | UK | 1859 | HALL | 1867 | |||
| LLANGATTOCK | BARON | UK | 1892 | ROLLS | 1916 | |||
| LLEWELLIN OF UPTON | BARON | UK | 9 | 12 | 1945 | LLEWELLIN | 1957 | |
| LOCHEE | BARON | UK | 1908 | ROBERTSON | 1911 | |||
| LOCHINVAR | LORD | S | 1633 | GORDON | ||||
| LOFTUS | VISCOUNT | I | 1622 | LOFTUS | ||||
| LOFTUS | BARON | I | 1751 | LOFTUS | ||||
| LOFTUS | VISCOUNT | I | 1756 | LOFTUS | ||||
| LONDESBOROUGH | EARL | UK | 7 | 1 | 1887 | DENISON | 1937 | |
| LONDONDERRY | EARL | I | 1622 | RIDGEWAY | ||||
| LONDONDERRY | BARON | I | 1719 | PITT | ||||
| LONDONDERRY | EARL | I | 1726 | PITT | ||||
| LONGFORD | VISCOUNT | I | 1675 | AUNGIER | ||||
| LONGFORD | EARL | I | 1677 | AUNGIER | ||||
| LONGFORD | VISCOUNT | I | 1713 | FLEMING | ||||
| LONGUEVILLE | VISCOUNT | E | 1690 | YELVERTON | ||||
| LONGUEVILLE | BARON | I | 1795 | LONGFIELD | ||||
| Peerage Index | LONGUEVILLE | VISCOUNT | I | 1800 | LONGFIELD | |||
| A thru C | LONGVILLIERS | BARON | E | 1342 | LONGVILLIERS | |||
| D thru K | LONSDALE | VISCOUNT | E | 1696 | LOWTHER | |||
| L thru R | LONSDALE | EARL | GB | 1784 | LOWTHER | |||
| S thru Z | LOREBURN | BARON | UK | 1906 | REID | 1923 | ||
| LOREBURN | EARL | UK | 1911 | REID | 1923 | |||
| LORN | LORD | S | 1439 | STEWART | ||||
| LOUGHBOROUGH | BARON | GB | 1780 | WEDDERBURN | ||||
| LOUGHUYRE | BARON | I | 1718 | FANE | ||||
| LOUTH | EARL | I | 1319 | BERMINGHAM | ||||
| LOUTH | EARL | I | 1759 | BERMINGHAM | ||||
| LOVEL | VISCOUNT | E | 1483 | LOVEL | ||||
| LOVEL OF KARY | BARON | E | 1348 | LOVEL | ||||
| LOVEL OF MINSTER LOVEL | BARON | GB | 1728 | LOVEL | ||||
| LOVEL OF TICHMERSH | BARON | E | 1299 | LOVEL | ||||
| LOVELACE | BARON | E | 1627 | LOVELACE | ||||
| LOWTHER | BARON | E | 1696 | LOWTHER | ||||
| LOWTHER | EARL | GB | 1784 | LOWTHER | ||||
| LOWTHER | VISCOUNT | GB | 1784 | LOWTHER | ||||
| LUCAN | EARL | I | 1689 | SARSFIELD | ||||
| LUCAS | BARON | E | 1644 | LUCAS | ||||
| LUCY OF EGREMONT | BARON | E | 1320 | LUCY | ||||
| LUDLOW | EARL | GB | 1760 | LUDLOW | ||||
| LUDLOW | BARON | UK | 1831 | LUDLOW | ||||
| LUDLOW OF HEYWOOD | BARON | UK | 1897 | LOPES, FRANCO | 1922 | |||
| LUGARD | BARON | UK | 1928 | LUGARD | 1945 | |||
| LUMLEY | BARON | E | 1384 | LUMLEY | ||||
| LUMLEY | BARON | E | 1547 | LUMLEY | ||||
| LUNDIE | LORD | S | 1642 | CAMPBELL | ||||
| LUTEREL | BARON | E | 1295 | LUTEREL | ||||
| LUXBOROUGH | BARON | I | 1746 | KNIGHT | ||||
| LYLE | LORD | S | 1446 | LYLE | ||||
| LYLE OF WESTBOURNE | BARON | UK | 9 | 13 | 1945 | LYLE | 1976 | |
| LYNDHURST | BARON | UK | 1827 | COPLEY | 1863 | |||
| LYNDOCH | BARON | UK | 1814 | GRAHAM | ||||
| LYONS | BARON | UK | 1856 | LYONS | 1887 | |||
| LYONS | VISCOUNT | UK | 1881 | LYONS | 1887 | |||
| LYTTLETON | BARON | E | 1640 | LYTTLETON | ||||
| LYTTLETON | BARON | GB | 1756 | LYTTLETON | ||||
| MABANE | BARON | UK | 6 | 15 | 1962 | MABANE | 1969 | |
| MACARTNEY | BARON | I | 1767 | MACARTNEY | ||||
| Peerage Index | MACARTNEY | VISCOUNT | I | 1793 | MACARTNEY | |||
| A thru C | MACARTNEY | EARL | I | 1794 | MACARTNEY | |||
| D thru K | MACARTNEY | BARON | GB | 1796 | MACARTNEY | |||
| L thru R | MACAULAY | BARON | UK | 1857 | MACAULAY | 1859 | ||
| S thru Z | MACCLESFIELD | EARL | E | 1679 | GERARD | |||
| MACDONALD OF EARNSCLIFFE | BARON | UK | 1891 | MACDONALD | 1920 | |||
| MACDONELL AND ARRAS | LORD | S | 1660 | MACDONELL | ||||
| MACDONNELL | BARON | UK | 7 | 2 | 1908 | MACDONNELL | 1925 | |
| MACDUFF | VISCOUNT | I | 1759 | DUFF | 1912 | |||
| MACDUFF | MARQUESS | UK | 1889 | DUFF | 1912 | |||
| MACGILL | LORD | S | 1651 | MACGILL | ||||
| MACKENZIE | BARON | S | 1609 | MACKENZIE | ||||
| MACLEOD | LORD | S | 1685 | MACKENZIE | ||||
| MADELEY | EARL | UK | 7 | 3 | 1911 | CREWE-MILNES, OFFLEY | 1945 | |
| MADERTY | LORD | S | 1609 | DRUMMOND | ||||
| MAENAN OF ELLESMERE | BARON | UK | 6 | 23 | 1948 | TAYLOR | 1951 | |
| MAGENNIS | VISCOUNT | I | 1623 | MAGENNIS | ||||
| MAGHERAMORNE | BARON | UK | 7 | 5 | 1887 | MCGAREL-HOGG | 1957 | |
| MAGUIRE | BARON | I | 1627 | MAGUIRE | ||||
| MALCOLM OF POLTALLOCH | BARON | UK | 1896 | MALCOLM | 1902 | |||
| MALLOWNE | BARON | I | 1622 | MALLOWNE O’MULLAN | ||||
| MALMESBURY | MARQUESS | GB | 1715 | WHARTON | ||||
| MALTON | BARON | GB | 1728 | WATSON (WENTWORTH) | ||||
| MALTON | EARL | GB | 1734 | WATSON (WENTWORTH) | ||||
| MALTON | BARON | I | 1750 | WENTWORTH | ||||
| MALTON | EARL | I | 1750 | WENTWORTH | ||||
| MAMHEAD | BARON | UK | 1931 | NEWMAN | 1945 | |||
| MANNY | BARON | E | 1347 | MANNY | ||||
| MANSEL | BARON | GB | 1712 | MANSEL | ||||
| MANSFIELD | VISCOUNT | E | 1620 | CAVENDISH | ||||
| MANVERS | EARL | UK | 4 | 9 | 1806 | PIERREPONT, MEDOWS | 1955 | |
| MARCH | EARL | E | 1328 | MORTIMER | ||||
| MARCH | EARL | E | 1479 | PLANTAGENET | ||||
| MARCH | EARL | S | 1582 | STEWART | ||||
| MARCH | EARL | E | 1619 | STUART | ||||
| MARCH | MARQUESS | S | 1672 | MAITLAND | ||||
| MARCH | EARL | S | DUNBAR | |||||
| MARCHMONT | EARL | S | 1697 | HUME | ||||
| MARISCHAL | EARL | S | 1458 | KEITH | ||||
| MARJORIBANKS | BARON | UK | 1873 | MARJORIBANKS, ROBERTSON | 1873 | |||
| Peerage Index | MARKS | BARON | UK | 1929 | MARKS | 1938 | ||
| A thru C | MARLBOROUGH | EARL | E | 1626 | LEY | |||
| D thru K | MARMION OF WETRINGTON | BARON | E | 1313 | MARMION | |||
| L thru R | MARMYON | BARON | E | 1264 | MARMYON | |||
| S thru Z | MARNEY | BARON | E | 1523 | MARNEY | |||
| MARR | EARL | S | 1426 | STEWART | ||||
| MARR | EARL | S | 1457 | STEWART | ||||
| MARR AND GARVIACH | EARL | S | 1486 | STEWART | ||||
| MARSHAL | BARON | E | 1309 | MARSHAL | ||||
| MARSHALL OF CHIPSTEAD | BARON | UK | 1 | 14 | 1921 | MARSHALL | 1936 | |
| MARTIN | BARON | E | 1295 | MARTIN | ||||
| MARYBOROUGH | BARON | I | 1821 | WELLESLEY | 1863 | |||
| MASHAM | BARON | GB | 1712 | MASHAM | ||||
| MASHAM OF SWINTON | BARON | UK | 7 | 15 | 1891 | CUNLIFFE-LISTER | 1924 | |
| MASSAREENE | EARL | I | 1756 | SKEFFINGTON | ||||
| MATHERS | BARON | UK | 1 | 30 | 1952 | MATHERS | 1965 | |
| MAUDUIT | BARON | E | 1342 | MAUDUIT | ||||
| MAUGHAM | BARON | UK | 1935 | MAUGHAM | 1981 | |||
| MAUGHAM | VISCOUNT | UK | 9 | 22 | 1939 | MAUGHAM | 1981 | |
| MAULE OF WHITECHURCH | VISCOUNT | I | 1743 | MAULE | ||||
| MAULEY | BARON | E | 1295 | MAULEY | ||||
| MAYNARD | BARON | E | 1611 | MAYNARD | ||||
| MAYNARD | BARON | I | 1620 | MAYNARD | 1865 | |||
| MAYNARD | BARON | E | 1628 | MAYNARD | ||||
| MAYNARD | VISCOUNT | GB | 1766 | MAYNARD | 1865 | |||
| MCCORQUODALE OF NEWTON | BARON | UK | 9 | 2 | 1955 | MCCORQUODALE | 1971 | |
| MCENTEE | BARON | UK | 6 | 26 | 1951 | MCENTEE | 1953 | |
| MEINILL | BARON | E | 1295 | MEINILL | ||||
| MEINILL | BARON | E | 1313 | MEINILL | ||||
| MEINILL | BARON | E | 1336 | MEINILL | ||||
| MELBOURNE | BARON | I | 6 | 8 | 1770 | LAMB | 1853 | |
| MELBOURNE | VISCOUNT | I | 1 | 11 | 1781 | LAMB | 1853 | |
| MELBOURNE | BARON | UK | 8 | 11 | 1815 | 1853 | ||
| MELCOMBE | BARON | GB | 1761 | DODINGTON | ||||
| MELFORT | VISCOUNT | S | 4 | 14 | 1685 | DRUMMOND | DORMANT 1902 | |
| MELFORT | EARL | S | 8 | 12 | 1686 | DRUMMOND | DORMANT 1902 | |
| Peerage Index | MELFORT | DUKE | S | 1690 | DRUMMOND | EXTINCT - ATTAINTED 1694 | ||
| A thru C | MELGUM | VISCOUNT | S | 1627 | GORDON | |||
| D thru K | MELROSE | LORD | S | 1609 | RAMSAY | |||
| L thru R | MELROSE (OR MELROS) OF TYNINGHAME | BARON | UK | 1827 | HAMILTON | 1858 | ||
| S thru Z | MENTEITH | EARL | S | 1258 | MENTEITH | |||
| MEREDYTH | BARON | UK | 1866 | SOMERVILLE | 1929 | |||
| MERRIMAN OF KNUTSFORD | BARON | UK | 1 | 27 | 1941 | MERRIMAN | 1962 | |
| METCALFE | BARON | UK | 1845 | METCALFE | ||||
| METHVEN | LORD | S | 1528 | STEWART | ||||
| MICHELHAM | BARON | UK | 12 | 28 | 1905 | STERN | 1984 | |
| MICHLETHWAIT | VISCOUNT | I | 1727 | MICHLETHWAIT | ||||
| MICKLETHWAIT | BARON | I | 1724 | MICKLETHWAIT | ||||
| MIDDLESEX | EARL | E | 1622 | CRANFIELD | ||||
| MIDDLETON | EARL | S | 1660 | MIDDLETON | ||||
| MIDLETON | EARL | UK | 2 | 2 | 1920 | BRODRICK | 1979 | |
| MILBROKE | BARON | E | 1442 | CORNWALL | ||||
| MILDMAY OF FLETE | BARON | UK | 11 | 20 | 1922 | MILDMAY | 1950 | |
| MILFORD | BARON | I | 1776 | PHILIPPS | ||||
| MILFORD | BARON | UK | 1847 | PHILIPPS | 1857 | |||
| MILLTOWN | EARL | I | 5 | 20 | 1763 | LEESON | DORMANT 1891 | |
| MILNER | VISCOUNT | UK | 7 | 15 | 1902 | MILNER | 1925 | |
| MILNER OF ST. JAMES’S LONDON | BARON | UK | 5 | 27 | 1901 | MILNER | 1925 | |
| MILSINGTON | VISCOUNT | S | 1703 | COLYEAR | ||||
| MILTON | VISCOUNT | I | 7 | 21 | 1716 | WENTWORTH-FITZWILLIAM | 1979 | |
| MILTON | BARON | GB | 4 | 19 | 1742 | WENTWORTH-FITZWILLIAM | 1979 | |
| MILTON | BARON | I | 1753 | DAMER | ||||
| MILTON | BARON | GB | 1762 | DAMER | ||||
| MILTON | VISCOUNT | GB | 1792 | DAMER | ||||
| MOELS | BARON | E | 1299 | MOELS | ||||
| MOHUN | BARON | E | 1299 | MOHUN | ||||
| MOHUN OF OKEHAMPTON | BARON | E | 1628 | MOHUN | ||||
| MOIRA | EARL | GB | 1761 | RAWDON | ||||
| MOLINES | BARON | E | 1347 | MOLINES | ||||
| MOLYNEUX | VISCOUNT | I | 12 | 22 | 1628 | MOLYNEUX | 1972 | |
| MONCKTON | BARON | UK | 7 | 4 | 1887 | MONCKTON-ARUNDELL | 1971 | |
| MONMOUTH | EARL | E | 1626 | CAREY | ||||
| MONMOUTH | DUKE | E | 2 | 14 | 1663 | SCOTT (FITZ ROY) | 1685 | |
| Peerage Index | MONMOUTH | EARL | E | 1689 | MORDAUNT | |||
| A thru C | MONSON | VISCOUNT | I | 1628 | MONSON | |||
| D thru K | MONTACUTE | BARON | E | 1300 | MONTACUTE | |||
| L thru R | MONTACUTE | BARON | E | 1342 | MONTACUTE | |||
| S thru Z | MONTACUTE | BARON | E | 1357 | MONTACUTE | |||
| MONTAGU | BARON | E | 1294 | NEVILL | ||||
| MONTAGU | MARQUESS | E | 1470 | NEVILL | ||||
| MONTAGU | VISCOUNT | E | 1554 | BROWNE | ||||
| MONTAGU | EARL | E | 4 | 9 | 1689 | MONTAGU | ||
| MONTAGU | DUKE | E | 4 | 12 | 1705 | MONTAGU | 1749 | |
| MONTAGU | DUKE | GB | 11 | 5 | 1766 | MONTAGU | 1790 | |
| MONTAGU OF BOUGHTON | BARON | E | 6 | 29 | 1621 | MONTAGU | 1749 | |
| MONTAGU OF BOUGHTON | BARON | GB | 5 | 8 | 1762 | MONTAGU | 1770 | |
| MONTAGU OF BOUGHTON | BARON | GB | 8 | 21 | 1781 | MONTAGU | 1845 | |
| MONTAGUE | BARON | E | 1553 | POLE | ||||
| MONTALT | BARON | E | 1295 | MONTALT | ||||
| MONTEAGLE | BARON | E | 11 | 23 | 1514 | PARKER, STANLEY | ||
| MONTEITH AND AIRTH | EARL | S | 1427 | GRAHAM | ||||
| MONTFORD | BARON | GB | 1741 | 1851 | ||||
| MONTFORT | BARON | E | 1295 | MONTFORT | ||||
| MONTFORT | BARON | GB | 1741 | BROMLEY | ||||
| MONTGOMERY | BARON | E | 1342 | MONTGOMERY | ||||
| MONTGOMERY | VISCOUNT | I | 1622 | MONTGOMERY | ||||
| MONTHERMER | BARON | E | 3 | 4 | 1309 | MONTHERMER, NEVILL | ||
| MONTJOY OF THE ISLE OF WIGHT | BARON | GB | 1711 | WINDSOR | ||||
| MONTROSE | DUKE | S | 1488 | LINDSAY | ABEYANT 1495 (LACK OF INTEREST AMONG HEIRS) | |||
| MONYPENNY | LORD | S | 1464 | MONYPENNY | ||||
| MOORE | BARON | I | 1715 | MOORE | ||||
| MOORE OF MOORE PLACE | BARON | UK | 1 | 17 | 1801 | MOORE | 1892 | |
| MORAY | EARL | S | 1130 | ANGUS | ||||
| MORAY | EARL | S | 1312 | RANDOLPH | ||||
| MORAY | EARL | S | 1372 | DUNBAR | ||||
| MORDAUNT | VISCOUNT | E | 1659 | MORDAUNT | ||||
| MORDINGTON | LORD | S | 1641 | DOUGLAS | ||||
| MORLEY | BARON | E | 12 | 29 | 1299 | MORLEY, PARKER, LOVEL | ABEYANT 1686 | |
| MORLEY OF BLACKBURN | VISCOUNT | UK | 1908 | MORLEY | 1923 | |||
| MORTIMER | BARON | E | 1294 | MORTIMER | ||||
| MORTIMER OF CHIRKE | BARON | E | 1307 | MORTIMER | ||||
| MORTIMER OF RICHARD’S CASTLE | BARON | E | 1297 | MORTIMER | ||||
| MORTMORE | EARL | S | 1703 | COLYEAR | ||||
| Peerage Index | MORTON | EARL | S | 1458 | DOUGLAS, MAXWELL | |||
| A thru C | MOUNT ALEXANDER | EARL | I | 1661 | MONTGOMERY | |||
| D thru K | MOUNT CASHEL | VISCOUNT | I | 1705 | DAVYS | |||
| L thru R | MOUNT CASHELL | VISCOUNT | I | 1689 | M’CARTY | |||
| S thru Z | MOUNT CASHELL | VISCOUNT | I | 1766 | MOORE | 1915 | ||
| MOUNT CASHELL | EARL | I | 1781 | MOORE | 1915 | |||
| MOUNT CHARLES | BARON | I | 1753 | CONYNGHAM | ||||
| MOUNT LEINSTER | VISCOUNT | I | 1689 | CHEEVERS | ||||
| MOUNT SANDFORD | BARON | GB | 1800 | SANDFORD | ||||
| MOUNT STEPHEN OF BRITISH COLUMBIA | BARON | UK | 1891 | STEPHEN | 1921 | |||
| MOUNT TEMPLE | BARON | UK | 1880 | 1888 | ||||
| MOUNT TEMPLE | BARON | UK | 1932 | ASHLEY | 1939 | |||
| MOUNTJOY | BARON | E | 1465 | LE BLOUNT | ||||
| MOUNTJOY | BARON | I | 1627 | BLOUNT | ||||
| MOUNTJOY | VISCOUNT | I | 1682 | STEWART | ||||
| MOUNTJOY | BARON | I | 1789 | GARDINER | ||||
| MOUNTJOY | VISCOUNT | I | 1795 | GARDINER | ||||
| MOUNTMORRES | BARON | I | 5 | 4 | 1756 | DE MONTMORENCY, MORRES | 1951 | |
| MOUNTMORRES | VISCOUNT | I | 6 | 9 | 1763 | DE MONTMORENCY, MORRES | 1951 | |
| MOUNTNORRIS | BARON | I | 1628 | ANNESLEY | ||||
| MOUNTRATH | EARL | I | 1660 | COOTE | ||||
| MUIR MACKENZIE | BARON | UK | 6 | 29 | 1915 | MUIR-MACKENZIE | 1930 | |
| MUIRSHIEL | VISCOUNT | UK | 7 | 16 | 1964 | 1992 | ||
| MULGRAVE | EARL | E | 1626 | SHEFFIELD | ||||
| MULGRAVE | BARON | GB | 1790 | PHIPPS | ||||
| MULTON OF EGREMONT | BARON | E | 1297 | MULTON | ||||
| MULTON OF GILLESLAND | BARON | E | 1307 | MULTON | ||||
| MUNCASTER | BARON | I | 1783 | PENNINGTON | 1917 | |||
| MUNCASTER | BARON | UK | 1898 | PENNINGTON | 1917 | |||
| MUNCHENSI | BARON | E | 1264 | MUNCHENSI | ||||
| MUNSTER | DUCHESS | I | 7 | 16 | 1716 | SCHULENBURG | 1743 | |
| MUNSTER | EARL | GB | 1789 | GUELPH | 1837 | |||
| MURRAY | LORD | S | 1696 | MURRAY | ||||
| MURRAY OF ELIBANK | BARON | UK | 1912 | MURRAY | 1920 | |||
| MURRAY OF LOCHMABEN | LORD | S | 1622 | MURRAY | ||||
| MURRAY OF STANLEY | BARON | GB | 8 | 18 | 1786 | STEWART-MURRAY | 1957 | |
| MUSGRAVE | BARON | E | 1350 | MUSGRAVE | ||||
| MUSKERRY | VISCOUNT | I | 1628 | M’CARTHY | ||||
| Peerage Index | NANSLADRON | BARON | E | 1299 | NANSLADRON | |||
| A thru C | NAVAR | LORD | S | 1481 | STEWART | |||
| D thru K | NAVAR | LORD | S | 1646 | MAULE | |||
| L thru R | NEREFORD | BARON | E | 1297 | NEREFORD | |||
| S thru Z | NETTERVILLE | VISCOUNT | I | 4 | 3 | 1622 | NETTERVILLE | 1882 |
| NEVILL | BARON | E | 1342 | NEVILL | ||||
| NEVILL OF ESSEX | BARON | E | 1336 | NEVILL | ||||
| NEVILL OF MONTAGU | BARON | E | 1460 | NEVILL | ||||
| NEVILL OF RABY | BARON | E | 1294 | NEVILL | ||||
| NEWARK | VISCOUNT | E | 1627 | PIERREPONT | ||||
| NEWARK | LORD | S | 1661 | LESLIE | ||||
| NEWARK | VISCOUNT | GB | 7 | 23 | 1796 | PIERREPONT, MEDOWS | 1955 | |
| NEWBURGH | VISCOUNT | S | 1647 | LIVINGSTON | ||||
| NEWBURGH | EARL | S | 1660 | LIVINGSTON | ||||
| NEWCASTLE | EARL | E | 1628 | CAVENDISH | ||||
| NEWCASTLE | MARQUESS | E | 1643 | CAVENDISH | ||||
| NEWCASTLE | DUKE | E | 3 | 16 | 1664 | CAVENDISH | 1691 | |
| NEWCASTLE | DUKE | E | 5 | 14 | 1694 | HOLLES | 1711 | |
| NEWCASTLE | DUKE | GB | 8 | 11 | 1715 | HOLLES-PELHAM | 1768 | |
| NEWCASTLE UNDER LYNE | DUKE | GB | 11 | 17 | 1756 | PELHAM-CLINTON | 1988 | |
| NEWCOMEN | BARON | I | 1800 | NEWCOMEN | ||||
| NEWCOMEN | VISCOUNT | I | 1803 | NEWCOMEN | ||||
| NEWHAVEN | VISCOUNT | S | 1681 | CHEYNE | ||||
| NEWHAVEN | BARON | I | 1776 | MAYNE | ||||
| NEWLANDS | BARON | UK | 1 | 19 | 1898 | HOZIER | 1929 | |
| NEWMARCH | BARON | E | 1264 | NEWMARCH | ||||
| NEWPORT | EARL | E | 1628 | BLOUNT | ||||
| NEWPORT | BARON | E | 1642 | NEWPORT | ||||
| NEWPORT | VISCOUNT | E | 1675 | NEWPORT | ||||
| NEWTON | BARON | I | 1718 | CHILD | ||||
| NICHOLSON | BARON | UK | 1912 | NICHOLSON | 1918 | |||
| NITHSDALE | EARL | S | 1620 | MAXWELL | ||||
| NOEL OF RIDLINGTON | BARON | E | 1617 | NOEL | ||||
| NOEL OF TITCHFIELD | BARON | E | 1681 | NOEL | ||||
| NORFOLK | EARL | E | 1140 | BIGOD | ||||
| NORFOLK | EARL | E | 1312 | PLANTAGENET | ||||
| NORFOLK | DUKE | E | 1396 | MOWBRAY | ||||
| NORFOLK | DUCHESS | E | 1397 | PLANTAGENET | ||||
| NORFOLK | DUKE | E | 1483 | HOWARD | ||||
| NORFOLK AND SUFFOLK | EARL | E | 1066 | WAYER | ||||
| NORMAN OF ST. CLERE | BARON | UK | 10 | 13 | 1944 | NORMAN | 1950 | |
| NORMANBROOK OF CHELSEA | BARON | UK | 1 | 24 | 1963 | BROOK | 1967 | |
| Peerage Index | NORMANBY | MARQUESS | E | 1694 | SHEFFIELD | |||
| A thru C | NORMANBY | DUKE | E | 3 | 9 | 1703 | SHEFFIELD | 1735 |
| D thru K | NORTH OF KIRTLING | BARON | E | 2 | 17 | 1554 | NORTH | ABEYANT 1942, WRIT |
| L thru R | NORTHALLERTON | VISCOUNT | UK | 7 | 16 | 1917 | CAMBRIDGE | 1981 |
| S thru Z | NORTHAMPTON | EARL | E | 1066 | ST. LIZ | |||
| NORTHAMPTON | EARL | E | 1337 | BOHUN | ||||
| NORTHAMPTON | MARQUESS | E | 1559 | PARR | ||||
| NORTHAMPTON | EARL | E | 1604 | HOWARD | ||||
| NORTHBROOK | EARL | UK | 6 | 10 | 1876 | BARING | 1929 | |
| NORTHCLIFFE | BARON | UK | 1905 | HARMSWORTH | 1922 | |||
| NORTHCLIFFE | VISCOUNT | UK | 1918 | HARMSWORTH | 1922 | |||
| NORTHCOTE | BARON | UK | 1900 | NORTHCOTE | 1911 | |||
| NORTHINGTON | EARL | GB | 1764 | HENLY | ||||
| NORTHUMBERLAND | EARL | E | 1068 | COMYN | 1069 | |||
| NORTHUMBERLAND | EARL | E | 1068 | COPSI | FORFEITED 1068 | |||
| NORTHUMBERLAND | EARL | E | 1069 | COSPATRICK | ATTAINTED AND EXECUTED 1075 | |||
| NORTHUMBERLAND | EARL | E | 1075 | WALCHER | 1080 | |||
| NORTHUMBERLAND | EARL | E | 1377 | PERCY | ||||
| NORTHUMBERLAND | EARL | E | 1467 | NEVILL | ||||
| NORTHUMBERLAND | DUKE | E | 10 | 11 | 1551 | DUDLEY | 1553 | |
| NORTHUMBERLAND | EARL | E | 1557 | PERCY | ||||
| NORTHUMBERLAND | EARL | E | 1674 | FITZ-ROY | ||||
| NORTHUMBERLAND | DUKE | E | 4 | 6 | 1683 | FITZ-ROY | 1716 | |
| NORTHWICK OF NORTHWICK PARK | BARON | GB | 1797 | RUSHOUT | 1887 | |||
| NORTHWODE | BARON | E | 1313 | NORTHWODE | ||||
| NORWICH | BARON | E | 1342 | NORWICH | ||||
| NORWICH | EARL | E | 1626 | DENNY | ||||
| NORWICH | EARL | E | 1646 | GORING | ||||
| NORWICH | EARL | E | 1672 | HOWARD | ||||
| NORWICH | EARL | GB | 1784 | GORDON | ||||
| NOTTINGHAM | EARL | E | 1383 | MOWBRAY | ||||
| NOTTINGHAM | EARL | E | 1483 | BERKELEY | ||||
| NOTTINGHAM | EARL | E | 1525 | FITZ-ROY | ||||
| NOTTINGHAM | EARL | E | 1596 | HOWARD | ||||
| NOVAR | VISCOUNT | UK | 12 | 6 | 1920 | MUNRO-FERGUSON | 1934 | |
| NUFFIELD | VISCOUNT | UK | 1 | 24 | 1938 | MORRIS | 1963 | |
| NUFFIELD OF NUFFIELD | BARON | UK | 1 | 13 | 1934 | MORRIS | 1963 | |
| NUGENT | BARON | I | 1689 | NUGENT | ||||
| NUGENT | BARON | I | 1767 | NUGENT | ||||
| Peerage Index | NUGENT | EARL | I | 1776 | TEMPLE-NUGENT-BRYDGES-CHANDOS-GRENVILLE | 1889 | ||
| A thru C | NUGENT | BARON | UK | 8 | 22 | 1960 | NUGENT | 1973 |
| D thru K | NUNEHAM | BARON | UK | 1 | 3 | 1917 | HARCOURT | 1979 |
| L thru R | O'GRADY OF ROCKBARTON | BARON | I | 1 | 28 | 1831 | O'GRADY | 1955 |
| S thru Z | O’BRIEN | VISCOUNT | I | 1662 | O’BRIEN | |||
| O’BRIEN OF KILFENORA | BARON | UK | 1900 | O’BRIEN | 1914 | |||
| O’CARROLL | BARON | I | 1552 | O’CARROLL | ||||
| O’NEILL | BARON | I | 1793 | O’NEILL | ||||
| O’NEILL | VISCOUNT | I | 1795 | O’NEILL | ||||
| O’NEILL | EARL | I | 1800 | O’NEILL | ||||
| OCHILTREE | LORD | S | 1615 | STEWART | ||||
| OFFALEY | BARONESS | I | 1620 | DIGBY (A.K.A. FITZ-GERALD) | ||||
| OGILVY OF DESKFORD | LORD | S | 1616 | OGILVY | ||||
| OGLE | BARON | E | 1461 | OGLE | ||||
| OGLE | BARON | E | 1620 | CAVENDISH | ||||
| OGLE | VISCOUNT | I | 1645 | OGLE | ||||
| OLDCASTLE | BARON | E | 1409 | OLDCASTLE | ||||
| OLIPHANT | LORD | S | 1456 | OLIPHANT | ||||
| OLIVIER | BARON | UK | 1924 | OLIVIER | 1943 | |||
| ONGLEY | BARON | GB | 1776 | ONGLEY | 1877 | |||
| ORANSAY | LORD | S | 1706 | CAMPBELL | ||||
| ORFORD | EARL | E | 1697 | RUSSELL | ||||
| ORFORD | EARL | GB | 1742 | WALPOLE | ||||
| ORFORD | EARL | UK | 4 | 10 | 1806 | WALPOLE | 1931 | |
| ORKNEY | EARL | S | 1379 | SINCLAIR | ||||
| ORKNEY | DUKE | S | 5 | 12 | 1567 | HEPBURN | EXTINCT - ATTAINTED 12-29-1567 | |
| ORKNEY | EARL | S | 1581 | STEWART | ||||
| ORMATHWAITE | BARON | UK | 4 | 16 | 1868 | WALSH | 1984 | |
| ORMELIE | EARL | UK | 1831 | CAMPBELL | 1862 | |||
| ORMELIE | EARL | UK | 1885 | CAMPBELL | 1922 | |||
| ORMOND | EARL | S | 1445 | DOUGLAS | ||||
| ORMOND | EARL | I | 1602 | BUTLER | ||||
| ORMOND | MARQUESS | I | 1642 | BUTLER | ||||
| ORMOND | EARL | S | 1651 | DOUGLAS | ||||
| ORMOND | DUKE | I | 1661 | BUTLER | ||||
| ORMONDE | MARQUESS | S | 1476 | STEWART | ||||
| ORMONDE | EARL | I | 1529 | BOLEYNE | ||||
| ORMONDE | DUKE | I | 1681 | BUTLER | EXTINCT - ATTAINTED 1715 | |||
| ORMONDE | DUKE | E | 1682 | BUTLER | EXTINCT - ATTAINTED 1715 | |||
| ORMONDE | MARQUESS | I | 1816 | BUTLER | 1820 | |||
| Peerage Index | ORREBY | BARON | E | 1309 | ORREBY | |||
| A thru C | ORWELL | BARON | I | 1762 | VERNON | |||
| D thru K | OSBORNE OF KIVETON | BARON | E | 8 | 15 | 1673 | OSBORNE | 1964 |
| L thru R | OSEBURNE (OSBORNE) OF DUNBLANE | VISCOUNT | S | 2 | 2 | 1672 | OSBORNE | 1964 |
| S thru Z | OSSINGTON | VISCOUNT | UK | 2 | 13 | 1872 | DENISON | 1873 |
| OVERSTONE | BARON | UK | 1850 | LOYD | 1883 | |||
| OVERTOUN | BARON | UK | 1893 | WHITE | 1908 | |||
| OXENBRIDGE OF BURTON | VISCOUNT | UK | 1886 | MONSON | 1898 | |||
| OXFORD | EARL | E | 1135 | VERE | ||||
| OXFORD | EARL | E | 1392 | VERE | ||||
| OXFORD | EARL | E | 1464 | VERE | ||||
| OXFORD AND MORTIMER | EARL | GB | 1711 | HARLEY | 1853 | |||
| OXFURD | VISCOUNT | S | 1651 | MACGILL | ||||
| OXMANTOWN | BARON | I | 1681 | PARSONS | ||||
| PALMERSTON | VISCOUNT | I | 1722 | TEMPLE | 1865 | |||
| PANMURE | EARL | S | 1646 | MAULE | ||||
| PANMURE | EARL | I | 1743 | MAULE | ||||
| PANMURE | BARON | UK | 1831 | MAULE | 1874 | |||
| PARBROATH | LORD | S | 1633 | LINDSAY | ||||
| PARR OF HORTON | BARON | E | 1543 | PARR | ||||
| PARR OF KENDAL | BARON | E | 1538 | PARR | ||||
| PASSFIELD | BARON | UK | 6 | 22 | 1929 | WEBB | 1947 | |
| PATESHULL | BARON | E | 1342 | PATESHULL | ||||
| PAUNCEFOTE OF PRESTON | BARON | UK | 1899 | PAUNCEFOTE, SMITH | 1902 | |||
| PAYNELL | BARON | E | 1299 | PAYNELL | ||||
| PECHE OF BRUNNE | BARON | E | 1299 | PECHE | ||||
| PECHE OF WORMLEIGHTON | BARON | E | 1321 | PECHE | ||||
| PECKOVER | BARON | UK | 1907 | PECKOVER | 1919 | |||
| PELHAM | BARON | E | 1706 | HOLLES | ||||
| PEMBROKE | EARL | E | 1138 | CLARE | ||||
| PEMBROKE | EARL | E | 1189 | MARSHALL | ||||
| PEMBROKE | EARL | E | 1247 | VALENCE | ||||
| PEMBROKE | EARL | E | 1339 | HASTINGS | ||||
| PEMBROKE | EARL | E | 1443 | POLE | ||||
| PEMBROKE | EARL | E | 1452 | TUDOR | ||||
| PEMBROKE | EARL | E | 1468 | HERBERT | ||||
| PEMBROKE | MARCHINONESS | E | 1532 | BOLEYNE | ||||
| PENHURST | BARON | E | 1025 | SMYTHE | ||||
| PENRHYN | BARON | I | 1783 | PENNANT | ||||
| Peerage Index | PENSHURST | BARON | UK | 1825 | 1869 | |||
| A thru C | PENTLAND | BARON | UK | 2 | 15 | 1909 | SINCLAIR | 1984 |
| D thru K | PENZANCE | BARON | UK | 1869 | WILDE | 1899 | ||
| L thru R | PERCY | BARON | E | 1299 | PERCY | |||
| S thru Z | PERCY | BARON | E | 1557 | PERCY | |||
| PERCY OF NEWCASTLE | BARON | UK | 2 | 12 | 1953 | PERCY | 1958 | |
| PERRY | BARON | UK | 1 | 28 | 1938 | PERRY | 1956 | |
| PERTH | BARON | GB | 10 | 14 | 1797 | DRUMMOND | 1800 | |
| PERY | VISCOUNT | I | 1785 | PERY | ||||
| PETERBOROUGH | EARL | E | 1628 | MORDAUNT | ||||
| PETERSFIELD | BARONESS | E | 1673 | QUEROUAILLE | ||||
| PETHICK-LAWRENCE | BARON | UK | 8 | 16 | 1945 | PETHICK-LAWRENCE | 1961 | |
| PEVENSEY | VISCOUNT | GB | 1730 | COMPTON | ||||
| PEVENSEY | VISCOUNT | I | 1816 | HOLROYD | 1909 | |||
| PHILLIPSTOWNE | BARON | I | 1631 | O’DEMPSEY | ||||
| PIERREPONT | BARON | I | 1703 | PIERREPONT | ||||
| PIERREPONT | BARON | GB | 1714 | PIERREPONT | ||||
| PIERREPONT OF HOLME PIERREPONT | BARON | GB | 7 | 23 | 1796 | PIERREPONT, MEDOWS | 1955 | |
| PIGOT | BARON | I | 1766 | PIGOT | ||||
| PINKNEY | BARON | E | 1299 | PINKNEY | ||||
| PIPARD | BARON | E | 1299 | PIPARD | ||||
| PIRBRIGHT | BARON | UK | 1895 | DE WORMS | 1903 | |||
| PIRRIE | BARON | UK | 7 | 17 | 1906 | PIRRIE | 1924 | |
| PIRRIE | VISCOUNT | UK | 7 | 9 | 1921 | PIRRIE | 1924 | |
| PITTENWEEN | LORD | S | 1606 | STEWART | ||||
| PLAYFAIR | BARON | UK | 9 | 3 | 1892 | PLAYFAIR | 1939 | |
| PLAYZ | BARON | E | 1297 | PLAYZ | ||||
| PLENDER | BARON | UK | 1931 | PLENDER | 1946 | |||
| PLESSETS | BARON | E | 1299 | PLESSETS | ||||
| PLUGENET | BARON | E | 1295 | PLUGENET | ||||
| PLUMER | BARON | UK | 10 | 4 | 1919 | PLUMER | 1944 | |
| PLUMER | VISCOUNT | UK | 1929 | PLUMER | 1944 | |||
| PLYMOUTH | EARL | E | 1675 | FITZ-CHARLES | ||||
| PLYMOUTH | EARL | E | 1682 | WINDSOR | ||||
| POINTZ | BARON | E | 1295 | POINTZ | ||||
| POMFRET | EARL | GB | 1721 | FERMOR | 1867 | |||
| PONSONBY | BARON | UK | 1806 | PONSONBY | 1866 | |||
| PONSONBY | VISCOUNT | UK | 1839 | PONSONB | ||||
| PONTYPRIDD | BARON | UK | 2 | 8 | 1912 | THOMAS | 1927 | |
| PORTAL | VISCOUNT | UK | 2 | 1 | 1945 | 1949 | ||
| PORTAL OF HUNGERFORD | BARON | UK | 9 | 17 | 1945 | 1990 | ||
| Peerage Index | PORTAL OF HUNGERFORD | VISCOUNT | UK | 1 | 26 | 1946 | PORTAL | 1971 |
| A thru C | PORTARLINGTON | BARON | I | 1692 | MASSUE | |||
| D thru K | PORTLAND | EARL | E | 1633 | WESTON | |||
| L thru R | PORTLAND | DUKE | GB | 7 | 6 | 1716 | CAVENDISH-BENTINCK | 1990 |
| S thru Z | PORTLESTER | BARON | I | 1462 | EUSTACE | |||
| PORTMORE | BARON | S | 1699 | COLYEAR | ||||
| PORTSEA | BARON | UK | 1 | 12 | 1934 | FALLE | 1948 | |
| PORTSMOUTH | DUCHESS | E | 8 | 19 | 1673 | QUEROUAILLE | 1734 | |
| POULETT | EARL | E | 12 | 24 | 1706 | POULETT | 1973 | |
| POULETT OF HITON ST. GEORGE | BARON | E | 6 | 23 | 1627 | 1973 | ||
| POWERSCOURT | VISCOUNT | I | 1618 | WINGFIELD | ||||
| POWERSCOURT | VISCOUNT | I | 1665 | WINGFIELD | ||||
| POWIS | BARON | E | 1629 | HERBERT | ||||
| POWIS | EARL | E | 1674 | HERBERT | ||||
| POWIS | MARQUESS | E | 1687 | HERBERT | ||||
| POWIS | EARL | GB | 1748 | HERBERT | ||||
| POYNINGS | BARON | E | 1337 | POYNINGS, PERCY | ||||
| POYNINGS | BARON | E | 1545 | POYNINGS | ||||
| PRESTON | VISCOUNT | S | 1688 | GRAHAM | ||||
| PRUDHOE | BARON | UK | 1816 | PERCY | 1865 | |||
| PULTENEY | VISCOUNT | GB | 1742 | PULTENEY | ||||
| PURBECK | VISCOUNT | E | 1619 | VILLIERS | ||||
| QUEENBOROUGH | BARON | UK | 1 | 18 | 1918 | PAGET | 1949 | |
| QUIBELL | BARON | UK | 7 | 7 | 1945 | QUIBELL | 1962 | |
| QUICKSWOOD | BARON | UK | 1 | 25 | 1941 | GASCOYNE-CECIL | 1956 | |
| RABY | BARON | E | 1640 | WENTWORTH | ||||
| RABY | BARON | E | 1665 | WENTWORTH | ||||
| RABY OF RABY CASTLE | BARON | UK | 1833 | VANE AND POWLETT | 1891 | |||
| RADCLIFFE | VISCOUNT | UK | 7 | 11 | 1962 | RADCLIFFE | 1977 | |
| RADCLIFFE AND LANGLEY | VISCOUNT | E | 1688 | RADCLIFFE | ||||
| RADNOR | EARL | E | 1679 | ROBARTES | ||||
| RADSTOCK | BARON | I | 12 | 20 | 1800 | WALDEGRAVE | 1953 | |
| RAINCLIFFE OF RAINCLIFFE | VISCOUNT | UK | 7 | 1 | 1887 | DENISON | 1937 | |
| RAMALTON | BARON | I | 1682 | STUART | ||||
| RAMSAY | LORD | S | 1606 | RAMSAY | ||||
| RAMSDEN OF BIRKENSHAW | BARON | UK | 7 | 12 | 1945 | RAMSDEN | 1955 | |
| RANCLIFFE | BARON | GB | 1795 | PARKYNS | ||||
| RANELAGH | VISCOUNT | I | 8 | 25 | 1628 | JONES | 1885 | |
| RANELAGH | EARL | I | 12 | 11 | 1677 | JONES | 1885 | |
| RANELAGH | BARON | I | 4 | 18 | 1715 | COLE | 1754 | |
| RANK | BARON | UK | 7 | 2 | 1957 | RANK | 1972 | |
| Peerage Index | RANKSBOROUGH | BARON | UK | 1914 | BROCKLEHURST | 1921 | ||
| A thru C | RATENDONE | VISCOUNT | UK | 2 | 23 | 1931 | FREEMAN-THOMAS | 1979 |
| D thru K | RATHDOWNE | EARL | UK | 1822 | MONCK | |||
| L thru R | RATHFARNHAM | BARON | I | 1685 | LOFTUS | |||
| S thru Z | RATHFARNHAM | EARL | I | 1715 | WHARTON | |||
| RATHMORE | BARON | UK | 1895 | PLUNKET | 1919 | |||
| RATHWIER | BARON | I | 1475 | DANIEL | ||||
| RATOATH | BARON | I | 1468 | BOULD | ||||
| RAVENSWORTH | BARON | GB | 1747 | LIDDEL | ||||
| RAVENSWORTH | EARL | UK | 1874 | LIDDELL | 1904 | |||
| RAWLINSON | BARON | UK | 10 | 6 | 1919 | RAWLINSON | 1925 | |
| RAYMOND | BARON | GB | 1731 | RAYMOND | ||||
| RAYMOND | VISCOUNT | I | 1800 | O’NEILL | ||||
| REAY | BARON | UK | 1881 | MACKAY | 1921 | |||
| REDESDALE | BARON | UK | 1802 | FREEMAN-MITFORD | 1886 | |||
| REDESDALE | EARL | UK | 1877 | FREEMAN-MITFORD | 1886 | |||
| RENDEL OF HATCHLANDS | BARON | UK | 1894 | RENDEL | 1913 | |||
| RHAYADER | BARON | UK | 1932 | LEIF-JONES | 1939 | |||
| RHONDDA | BARON | UK | 1 | 28 | 1916 | THOMAS | 1958 | |
| RHONDDA | VISCOUNT | UK | 6 | 19 | 1918 | THOMAS | 1958 | |
| RIBBLESDALE OF GISBURNE | BARON | GB | 10 | 26 | 1797 | LISTER | 1925 | |
| RICCARTOUN | VISCOUNT | S | 1697 | HAMILTON | ||||
| RICH | BARON | E | 1547 | RICH | ||||
| RICHMOND | EARL | E | 1068 | DE DREUX | ||||
| RICHMOND | EARL | E | 1452 | TUDOR | ||||
| RICHMOND | EARL | E | 1613 | STUART | ||||
| RICHMOND | DUKE | E | 5 | 17 | 1623 | STUART | 1624 | |
| RICHMOND | DUKE | E | 8 | 8 | 1641 | STUART | 1672 | |
| RICHMOND AND SOMERSET | DUKE | E | 6 | 18 | 1525 | FITZ-ROY | 1536 | |
| RIDDELL | BARON | UK | 1 | 28 | 1920 | RIDDELL | 1934 | |
| RIDGEWAY | BARON | I | 1616 | RIDGEWAY | ||||
| RIPARIIS | BARON | E | 1299 | RIPARIIS OR RIVERS | ||||
| RIPON | EARL | UK | 1833 | ROBINSON | 1923 | |||
| RIPON | MARQUESS | UK | 1871 | ROBINSON | 1923 | |||
| RIVERS | BARON | E | 1448 | WIDVILE | ||||
| RIVERS | EARL | E | 1466 | WIDVILE | ||||
| RIVERS | EARL | E | 1626 | SAVAGE | ||||
| RIVERS | COUNTESS | E | 1641 | SAVAGE | ||||
| RIVERS | BARON | GB | 1776 | PITT | ||||
| RIVERS | BARON | UK | 1802 | PITT | 1880 | |||
| RIVERSDALE | BARON | GB | 1783 | TONSON | 1861 | |||
| Peerage Index | RIVERSTON | BARON | I | 1689 | NUGENT | |||
| A thru C | ROBARTES | BARON | E | 1625 | ROBARTES | |||
| D thru K | ROBARTES | BARON | UK | 12 | 13 | 1869 | AGAR-ROBARTES | 1974 |
| L thru R | ROBERTS OF KANDAHAR | BARON | UK | 1892 | ROBERTS, LEWIN | 1914 | ||
| S thru Z | ROBERTS OF KANDAHAR | EARL | UK | 2 | 11 | 1901 | ROBERTS, LEWIN | 1955 |
| ROBINS OF RHODESIA AND CHELSEA | BARON | UK | 7 | 10 | 1958 | ROBINS | 1962 | |
| ROBINSON OF KIELDER | BARON | UK | 7 | 15 | 1947 | ROBINSON | 1952 | |
| ROBSART | BARON | E | 1425 | ROBSART | ||||
| ROCHE | VISCOUNT | I | 1490 | ROCHE | ||||
| ROCHESTER | VISCOUNT | E | 1611 | CARR | ||||
| ROCHESTER | EARL | E | 1652 | WILMOT | ||||
| ROCHESTER | EARL | E | 1682 | HYDE | ||||
| ROCHFORD | EARL | E | 1695 | NASSAU | ||||
| ROCHFORT | VISCOUNT | E | 1525 | BOLEYNE | ||||
| ROCHFORT | VISCOUNT | E | 1621 | CAREY | ||||
| ROCKINGHAM | BARON | E | 1645 | WATSON | ||||
| ROCKINGHAM | EARL | GB | 1714 | WATSON | ||||
| ROCKINGHAM | MARQUESS | GB | 1746 | WATSON | ||||
| ROE | BARON | UK | 1917 | ROE | 1923 | |||
| ROKEBY | BARON | I | 1777 | ROBINSON | 1883 | |||
| ROLLE | BARON | GB | 1748 | ROLLE | ||||
| ROMILLY | BARON | UK | 1 | 3 | 1866 | ROMILLY | 1983 | |
| ROMNEY | EARL | E | 1694 | SYDNEY | ||||
| ROOKWOOD | BARON | UK | 1892 | SELWYN-IBBETSON | 1902 | |||
| ROS | BARON | E | 1332 | ROS | ||||
| ROS OF HAMLAKE | BARON | E | 1264 | ROS | ||||
| ROS OF WERKE | BARON | E | 1295 | ROS | ||||
| ROSCOMMON | EARL | I | 1185 | DILLON | ||||
| ROSMEAD | BARON | UK | 8 | 11 | 1896 | ROBINSON | 1933 | |
| ROSS | EARL | S | 1165 | ROSS | ||||
| ROSS | DUKE | S | 1 | 29 | 1488 | STEWART | 1504 | |
| ROSS | LORD | S | 1490 | ROSS | ||||
| ROSS | EARL | I | 1772 | GORE | ||||
| ROSS OF HAWKHEAD | BARON | UK | 1815 | BOYLE | 1890 | |||
| ROSSE | VISCOUNT | I | 1681 | PARSONS | ||||
| ROSSE | EARL | I | 1718 | PARSONS | ||||
| ROSSIE OF ROSSIE | BARON | UK | 1831 | KINNAIRD | 1878 | |||
| ROTHERHAM | BARON | UK | 7 | 18 | 1910 | HOLLAND | 1950 | |
| ROTHESAY | DUKE | S | 1828 | STUART | ||||
| ROUNDWAY | BARON | UK | 6 | 30 | 1916 | COLSTON | 1944 | |
| ROWTON | BARON | UK | 1880 | LOWRY-CORRY | 1903 | |||
| ROYDEN | BARON | UK | 1 | 28 | 1944 | ROYDEN | 1950 | |
| Peerage Index | RUFFSIDE | VISCOUNT | UK | 12 | 14 | 1951 | BROWN | 1958 |
| A thru C | RUGLEN | EARL | S | 1697 | HAMILTON | |||
| D thru K | RUSHCLIFFE | BARON | UK | 1 | 24 | 1935 | BETTERTON | 1949 |
| L thru R | RUSHOLME | BARON | UK | 1945 | PALMER | 1977 | ||
| S thru Z | RUSSBOROUGH | BARON | I | 1756 | LEESON | DORMANT 1891 | ||
| RUSSBOROUGH | VISCOUNT | I | 1760 | LEESON | DORMANT 1891 | |||
| RUTHERFORD | BARON | S | 1661 | RUTHERFORD | ||||
| RUTHERFORD OF NELSON | BARON | UK | 1931 | RUTHERFORD | 1937 | |||
| RUTHVEN | VISCOUNT | E | 1487 | RUTHVEN | ||||
| RUTHVEN | LORD | S | 1639 | RUTHVEN | ||||
| RYTHRE | BARON | E | 1299 | RYTHRE |