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Titles without an extinction date expired prior to 1900.
| NAVIGATION | TITLE | DEGREE | PEERAGE | MO | DAY | YEAR | SURNAME(S) | EXTINCTION DATE |
|---|---|---|---|---|---|---|---|---|
| ABERCROMBIE | LORD | S | 1647 | SANDILANDS | ||||
| ABERCROMBY OF ABOUKIR AND TULLIBODY | BARON | UK | 5 | 28 | 1801 | ABERCROMBY | 1924 | |
| Peerage Index | ABERNETHY | MARQUESS | S | 1703 | DOUGLAS | |||
| A thru C | ABERTAY OF TULLYBELTON | BARON | UK | 1940 | BARRIE | 1940 | ||
| D thru K | ABOYNE | VISCOUNT | S | 1632 | GORDON | |||
| L thru R | ADAMS OF ENNERDALE | BARON | UK | 2 | 16 | 1949 | ADAMS | 1960 |
| S thru Z | AILWYN | BARON | UK | 7 | 1 | 1921 | FELLOWES | 1988 |
| AIREY | BARON | UK | 1876 | AIREY | 1881 | |||
| AIRTH AND MENTEITH | EARL | S | 1633 | GRAHAM | ||||
| ALBANY | DUKE | S | 1398 | STEWART | ||||
| ALBANY | DUKE | S | 1452 | STEWART | ||||
| ALBANY | DUKE | S | 1565 | STEWART | ||||
| ALBANY | DUKE | S | 1600 | STEWART | ||||
| ALBANY | DUKE | UK | 1881 | ROYAL FAMILY-SAXONY | SUSPENDED 3-28-1919 | |||
| ALBEMARLE | EARL | E | 1212 | FORTIBUS | ||||
| ALBEMARLE | DUKE | E | 9 | 29 | 1397 | PLANTAGENET | 1461 ??? | |
| ALBEMARLE | EARL | E | 1411 | PLANTAGENET | ||||
| ALBEMARLE | EARL | E | 1417 | BEAUCHAMP | ||||
| ALBEMARLE | DUKE | E | 7 | 7 | 1670 | MONK | 1688 | |
| ALCESTER | BARON | UK | 1882 | SEYMOUR | 1895 | |||
| ALDBOROUGH | EARL | GB | 1777 | STRATFORD | 1875 | |||
| ALDEBURGH | BARON | E | 1371 | ALDEBURGH | ||||
| ALEXANDER | LORD | S | 1630 | ALEXANDER | ||||
| ALEXANDER | LORD | S | 1633 | ALEXANDER | ||||
| ALEXANDER OF HILLSBOROUGH | VISCOUNT | UK | 1 | 27 | 1950 | ALEXANDER | 1965 | |
| ALEXANDER OF HILLSBOROUGH | EARL | UK | 1 | 30 | 1963 | ALEXANDER | 1965 | |
| ALFORD | VISCOUNT | UK | 1815 | CUST | 1921 | |||
| ALINGTON | BARON | I | 1642 | ALINGTON | ||||
| ALINGTON | BARON | E | 1682 | ALINGTURI | ||||
| ALINGTON OF CRICHEL | BARON | UK | 1 | 15 | 1876 | STURT | 1940 | |
| ALLEN | VISCOUNT | I | 1717 | ALLEN | ||||
| ALLEN OF HURTWOOD | BARON | UK | 1932 | ALLEN | 1939 | |||
| ALNESS | BARON | UK | 7 | 4 | 1934 | MUNRO | 1955 | |
| ALTHAM | BARON | I | 1680 | ANNESLEY | ||||
| ALTRIE | LORD | S | 1587 | KEITH | ||||
| ALVANLEY | BARON | UK | 1801 | ARDEN | 1857 | |||
| ALVERSTONE | VISCOUNT | UK | 1913 | WEBSTER | 1915 | |||
| ALVERSTONE OF ALVERSTONE | BARON | UK | 1900 | WEBSTER | 1915 | |||
| AMESBURY | BARON | UK | 1832 | DUNDAS | ||||
| AMMON OF CAMBERWELL | BARON | UK | 1 | 31 | 1944 | AMMON | 1960 | |
| AMORY | VISCOUNT | UK | 9 | 1 | 1960 | 1981 | ||
| AMULREE | BARON | UK | 7 | 22 | 1929 | MACKENZIE | 1983 | |
| ANCASTER | EARL | UK | 8 | 22 | 1892 | HEATHCOTE-DRUMMOND-WILLOUGHBY | 1983 | |
| Peerage Index | ANCASTER AND KESTEVEN | DUKE | GB | 7 | 20 | 1715 | BERTIE | 1809 |
| A thru C | ANGLESEY | EARL | E | 1623 | VILLIERS | |||
| D thru K | ANGLESEY | EARL | E | 1661 | ANNESLEY | |||
| L thru R | ANGUS | EARL | S | 1297 | UMFRAVILLE | |||
| S thru Z | ANGUS | MARQUESS | S | 1703 | DOUGLAS | |||
| ANNALY | BARON | I | 1766 | GORE | ||||
| ANNAND | VISCOUNT | S | 1622 | MURRAY | ||||
| ANNAND | VISCOUNT | S | 1661 | JOHNSTONE | ||||
| ANNANDALE | EARL | S | 1624 | MURRAY | ||||
| ANNANDALE | MARQUESS | S | 1701 | JOHNSTONE | ||||
| ANNESLEY OF BLETCHINGTON | BARON | UK | 5 | 7 | 1917 | ANNESLEY | 1949 | |
| ANSLOW OF IVER | BARON | UK | 6 | 28 | 1916 | MOSLEY | 1933 | |
| ANSON | BARON | GB | 1747 | ANSON | ||||
| ANTRIM | MARQUESS | I | 1789 | MACDONNEL | ||||
| AP-ADAM | BARON | E | 1299 | AP-ADAM | ||||
| ARASE | BARON | S | 1706 | CAMPBELL | ||||
| ARCHDEKNE | BARON | E | 1321 | ARCHDEKNE | ||||
| ARCHER | BARON | GB | 1747 | ARCHER | ||||
| ARDGLASS | EARL | I | 1645 | CROMWELL | ||||
| ARDILAUN | BARON | UK | 1880 | GUINNESS | 1915 | |||
| ARDMANACH | LORD | S | 1481 | STEWART | ||||
| ARGENTINE | BARON | E | 1297 | ARGENTINE | ||||
| ARGYLL | EARL | S | 1457 | CAMPBELL | ||||
| ARGYLL | MARQUESS | S | 1641 | CAMPBELL | ||||
| ARKLOW | BARON | UK | 1881 | ROYAL FAMILY-SAXONY | SUSPENDED 3-28-1919 | |||
| ARLINGTON | EARL | E | 1672 | BENNET-FITZROY | ABEYANT 1936 | |||
| ARLINGTON OF ARLINGTON | BARON | E | 1672 | BENNET-FITZROY | ABEYANT 1936 | |||
| ARLINGTON OF HARLINGTON | BARON | E | 1663 | BENNET-FITZROY | ABEYANT 1936 | |||
| ARMAGH | EARL | I | 1799 | GUELPH | SUSPENDED 3-28-1919 | |||
| ARMAGHDALE OF ARMAGH | BARON | UK | 1 | 17 | 1918 | LONSDALE | 1924 | |
| ARMISTEAD OF CASTLEHILL | BARON | UK | 1906 | ARMISTEAD | 1915 | |||
| ARMSTRONG | BARON | UK | 1887 | ARMSTRONG | 1900 | |||
| ARMSTRONG | BARON | UK | 8 | 4 | 1903 | WATSON-ARMSTRONG | 1987 | |
| ARNOLD OF HALE | BARON | UK | 1924 | ARNOLD | 1945 | |||
| ARRAN | EARL | S | 1467 | BOYD | ||||
| ARRAN | EARL | S | 1581 | STEWART | ||||
| ARRAN | EARL | I | 1693 | BUTLER | ||||
| ARRASS | LORD | S | 1660 | MACDONELL | ||||
| ARUNDEL | EARL | E | 1139 | ALBINI | ||||
| ARUNDEL | EARL | E | 1243 | FITZ-ALAN | ||||
| ARUNDEL | BARON | E | 1664 | ARUNDEL | ||||
| ARUNDELL OF WARDOUR | BARON | E | 5 | 4 | 1605 | ARUNDELL | 1944 | |
| Peerage Index | ASHBURNHAM | EARL | GB | 5 | 14 | 1730 | ASHBURNHAM | 1924 |
| A thru C | ASHBURNHAM OF ASHBURNHAM | BARON | E | 5 | 20 | 1689 | ASHBURNHAM | 1924 |
| D thru K | ASHBURTON | BARON | GB | 1782 | DUNNING | |||
| L thru R | ASHFIELD OF SOUTHWELL | BARON | UK | 1 | 9 | 1920 | STANLEY | 1948 |
| S thru Z | ASHTON OF ASHTON | BARON | UK | 7 | 25 | 1895 | WILLIAMSON | 1930 |
| ASKWITH | BARON | UK | 3 | 24 | 1919 | ASKWITH | 1942 | |
| ASTLEY | BARON | E | 1295 | ASTLEY | ||||
| ASTLEY OF READING | BARON | E | 1664 | ASTLEY | ||||
| ASTON | BARON | E | 1627 | ASTON | ||||
| ATHENRY | BARON | DE BERMINGHAM | ||||||
| ATHLONE | EARL | E | 1692 | GINKEL | ||||
| ATHLONE | EARL | UK | 1890 | GUELPH | 1892 | |||
| ATHLONE | EARL | UK | 7 | 16 | 1917 | CAMBRIDGE | 1957 | |
| ATHLUMNEY | BARON | I | 12 | 14 | 1863 | SOMERVILLE | 1929 | |
| ATHOLL | EARL | S | 1115 | STRATHBOGIE | ||||
| ATHOLL | EARL | S | 1314 | CAMPBELL | ||||
| ATHOLL | EARL | S | 1341 | DOUGLAS | ||||
| ATHOLL | EARL | S | 1408 | CAMPBELL | ||||
| ATHOLL | EARL | S | 1457 | STEWART | ||||
| ATHOLL | EARL | S | 1596 | STEWART | ||||
| ATHOLSTAN | BARON | UK | 1 | 7 | 1917 | GRAHAM | 1938 | |
| ATON | BARON | E | 1324 | ATON | ||||
| AUBIGNY | LORD | S | 1580 | STEWART | ||||
| AUCKLAND | EARL | UK | 1839 | EDEN | ||||
| AUDLEY | BARON | E | 1 | 8 | 1313 | ALDITHELEY OR AUDLEY | ABEYANT 1872, WRIT | |
| AUDLEY | BARON | E | 1321 | AUDLEY | ||||
| AUDLEY | BARON | E | 1405 | TOUCHET | ||||
| AUDLEY OF WALDEN | BARON | E | 1538 | AUDLEY | ||||
| AUGHRIM | BARON | I | 1676 | BUTLER | ||||
| AUNGIER | BARON | I | 1621 | AUNGIER | ||||
| AUNGIER | VISCOUNT | I | 1675 | AUNGIER | ||||
| AUNGIER | EARL | I | 1677 | AUNGIER | ||||
| AUSTIN | BARON | UK | 1936 | AUSTIN | 1941 | |||
| AVA | EARL | UK | 11 | 17 | 1888 | HAMILTON-TEMPLE-BLACKWOOD | 1988 | |
| AVANE | LORD | S | 1581 | STEWART | ||||
| AVELAND | BARON | UK | 2 | 26 | 1856 | HEATHCOTE-DRUMMOND-WILLOUGHBY | 1983 | |
| AVON | EARL | UK | 7 | 12 | 1960 | 1985 | ||
| AVONDALE | EARL | S | 1437 | DOUGLAS | ||||
| AVONDALE | LORD | S | 1459 | STEWART | ||||
| AVONDALE | LORD | S | 1500 | STEWART | ||||
| AVONMORE | BARON | I | 1795 | YELVERTON | DORMANT 1910 | |||
| Peerage Index | AVONMORE OF DERRY ISLAND | VISCOUNT | I | 1800 | YELVERTON | DORMANT 1910 | ||
| A thru C | AYLESBURY | EARL | E | 1664 | BRUCE | |||
| D thru K | BADELEY OF BADELEY | BARON | UK | 6 | 21 | 1949 | BADELEY | 1951 |
| L thru R | BADLESMERE | BARON | E | 1309 | BADLESMERE | |||
| S thru Z | BALFOUR | BARON | I | 1619 | BALFOUR | |||
| BALIOL | BARON | E | 1300 | BALIOL | ||||
| BALLYANE | BARON | I | 1554 | KAVANAGH | ||||
| BALLYMOTE | BARON | I | 1628 | TAAFFE | SUSPENDED 3-28-1919 | |||
| BALMERINOCH | LORD | S | 1603 | ELPHINSTONE | ||||
| BALTIMORE | BARON | I | 1624 | CALVERT | ||||
| BALTINGLASS | VISCOUNT | I | 1541 | EUSTACE | ||||
| BALTINGLASS | VISCOUNT | I | 1627 | ROPER | ||||
| BALTINGLASS | VISCOUNT | I | 6 | 20 | 1685 | TALBOT | ATTAINTED 1691 | |
| BANBURY | EARL | GB | 1772 | KNOLLYS | ||||
| BANDON | BARON | I | 11 | 30 | 1793 | BERNARD | 1979 | |
| BANDON | VISCOUNT | I | 10 | 6 | 1795 | BERNARD | 1979 | |
| BANDON | EARL | I | 8 | 6 | 1800 | BERNARD | 1979 | |
| BANFF | LORD | S | 1642 | OGILVY | ||||
| BANGOR | EARL | I | 1691 | SCHOMBERG | ||||
| BANNOW | BARON | I | 1689 | CHEEVERS | ||||
| BANTRY | BARON | I | 1627 | ROPER | ||||
| BANTRY | EARL | I | 1816 | HEDGES-WHITE | 1891 | |||
| BANTRY OF BANTRY | BARON | I | 1797 | HEDGES-WHITE | 1891 | |||
| BANTRY OF BANTRY | VISCOUNT | I | 1800 | HEDGES-WHITE | 1891 | |||
| BARD | BARON | I | 1646 | BARD | ||||
| BARDOLF | BARON | E | 1299 | BARDOLF | ||||
| BARFLEUR | VISCOUNT | E | 1697 | RUSSELL | ||||
| BARGENY | LORD | S | 1641 | HAMILTON | ||||
| BARING | VISCOUNT | UK | 6 | 10 | 1876 | BARING | 1929 | |
| BARNARD OF BARNARDS CASTLE | VISCOUNT | GB | 1754 | VANE AND POWLETT | 1891 | |||
| BARNBOROUGH | BARON | UK | 1886 | 1886 | ||||
| BARNBY | BARON | UK | 1 | 26 | 1922 | WILLEY | 1982 | |
| BARNEWALL OF KINGSLAND | VISCOUNT | I | 1646 | BARNEWALL | ||||
| BARRELLS | VISCOUNT | GB | 1762 | KNIGHT | ||||
| BARRET | LORD | S | 1627 | BARRET | ||||
| BARROGILL | BARON | UK | 1866 | SINCLAIR | 1889 | |||
| BARRY OF BARRYSCOURT | BARON | I | BARRY | |||||
| BARRY OF SANTRY | BARON | I | 1661 | BARRY | ||||
| BARRYMORE | EARL | I | 1628 | BARRY | ||||
| BARRYMORE | BARON | UK | 7 | 18 | 1902 | BARRYMORE | 1925 | |
| BASSET | BARON | GB | 1797 | 1885 | ||||
| Peerage Index | BASSET OF DRAYTON | BARON | E | 1264 | BASSET | |||
| A thru C | BASSET OF SAPCOTE | BARON | E | 1264 | BASSET | |||
| D thru K | BASSET OF STRATTON | BARON | GB | 1796 | BASSET | |||
| L thru R | BASSET OF WELDON | BARON | E | 1299 | BASSET | |||
| S thru Z | BATEMAN | VISCOUNT | I | 1725 | BATEMAN | |||
| BATEMAN OF SHOBDON | BARON | UK | 1 | 30 | 1837 | BATEMAN-HANBURY | 1931 | |
| BATH | EARL | E | 1485 | DE SHAUNDE | ||||
| BATH | EARL | E | 1536 | BOURCHIER | ||||
| BATH | EARL | E | 1661 | GRANVILLE | ||||
| BATH | EARL | GB | 1742 | PULTENEY | ||||
| BATH | BARONESS | GB | 1792 | PULTENEY | ||||
| BATH | COUNTESS | UK | 1803 | PULTENEY | ||||
| BATTERSEA | BARON | UK | 1892 | FLOWER | 1907 | |||
| BAVENT | BARON | E | 1313 | BAVENT | ||||
| BAYFORD | BARON | UK | 1929 | SANDERS | 1940 | |||
| BAYNING | BARON | E | 1627 | BAYNING | ||||
| BAYNING | VISCOUNT | E | 1627 | BAYNING | ||||
| BAYNING | VISCOUNTESS | E | 1674 | BAYNING | ||||
| BAYNING | BARON | GB | 1797 | POWLETT | 1866 | |||
| BEACONSFIELD | VISCOUNTESS | UK | 11 | 30 | 1868 | DISRAELI | 1872 | |
| BEACONSFIELD | EARL | UK | 8 | 21 | 1876 | DISRAELI | 1881 | |
| BEAUCHAMP | BARON | E | 1350 | BEAUCHAMP | ||||
| BEAUCHAMP | VISCOUNT | E | 1536 | SEYMOUR | ||||
| BEAUCHAMP | EARL | UK | 12 | 1 | 1815 | LYGON | 1979 | |
| BEAUCHAMP OF BLETSHO | BARON | E | 1363 | BEAUCHAMP | ||||
| BEAUCHAMP OF HACHE | BARON | E | 1299 | BEAUCHAMP | ||||
| BEAUCHAMP OF HACHE | BARON | E | 1559 | SEYMOUR | ||||
| BEAUCHAMP OF KYDDERMINSTER | BARON | E | 1387 | BEAUCHAMP | ||||
| BEAUCHAMP OF POWYK | BARON | E | 1447 | BEAUCHAMP | ||||
| BEAUCHAMP OF POWYKE | BARON | UK | 2 | 26 | 1806 | LYGON | 1979 | |
| BEAULIEU | BARON | GB | 1762 | HUSSEY | ||||
| BEAULIEU | EARL | GB | 1784 | HUSSEY | ||||
| BEAUMONT | VISCOUNT | E | 1440 | BEAUMONT | ||||
| BEAUMONT | BARON | E | 1619 | BEAUMONT | ||||
| BEAUMONT | VISCOUNT | I | 1622 | BEAUMONT | ||||
| BEAUVALE | BARON | UK | 1839 | LAMB | 1853 | |||
| BECHE | BARON | E | 1342 | BECHE | ||||
| BEDFORD | EARL | E | 1150 | BELLEMONT | ||||
| BEDFORD | EARL | E | 1366 | COUCI | ||||
| BEDFORD | DUKE | E | 5 | 6 | 1414 | PLANTAGENET | 1453 | |
| Peerage Index | BEDFORD | DUKE | E | 1469 | NEVILL | |||
| A thru C | BEDFORD | DUKE | E | 10 | 27 | 1485 | TUDOR | 1495 |
| D thru K | BEKE OF ERESBY | BARON | E | 1295 | BEKE | |||
| L thru R | BELASYSE | BARON | E | 1644 | BELASYSE | |||
| S thru Z | BELASYSE OF OSGODBY | BARONESS | E | 1674 | ARMINE | |||
| BELLAMONT | VISCOUNT | I | 1646 | BARD | ||||
| BELLAMONT | EARL | I | 1689 | COOTE | ||||
| BELLEISLE | VISCOUNT | I | 1768 | GORE | ||||
| BELLENDEN | LORD | S | 1661 | BELLENDEN | ||||
| BELLEW OF DULEEK | BARON | I | 1686 | BELLEW | ||||
| BELLFIELD | VISCOUNT | I | 1737 | ROCHFORT | ||||
| BELLFIELD | VISCOUNT | I | 1751 | ROCHFORT | ||||
| BELLHAVEN | VISCOUNT | S | 1633 | DOUGLAS | ||||
| BELLOMONT | EARL | I | 2 | 11 | 1680 | WOTTON | 1683 | |
| BELVEDERE | EARL | I | 1756 | ROCHFORT | ||||
| BENHALE | BARON | E | 1360 | BENHALE | ||||
| BENNETT | VISCOUNT | UK | 7 | 16 | 1941 | BENNETT | 1947 | |
| BENNETT OF EDGBASTON | BARON | UK | 7 | 1 | 1953 | BENNETT | 1957 | |
| BEREHAVEN | VISCOUNT | I | 1816 | HEDGES-WHITE | 1891 | |||
| BERESFORD | BARON | UK | 1814 | BERESFORD | ||||
| BERESFORD | VISCOUNT | UK | 1823 | BERESFORD | 1854 | |||
| BERESFORD | BARON | UK | 1916 | BERESFORD | 1919 | |||
| BERKELEY | VISCOUNT | E | 1481 | BERKELEY | ||||
| BERKELEY | EARL | E | 1483 | BERKELEY | ||||
| BERKELEY | MARQUESS | E | 1488 | BERKELEY | ||||
| BERKELEY | BARON | I | 1664 | BERKELEY | ||||
| BERKELEY | EARL | E | 9 | 11 | 1679 | BERKELEY | 1942 | |
| BERKELEY OF STRATTON | BARON | E | 1658 | BERKELEY | ||||
| BERKHAMPSTED | EARL | UK | 7 | 18 | 1917 | MOUNTBATTEN | 1960 | |
| BERKSHIRE | EARL | E | 1620 | NORRIS | ||||
| BERMINGHAM | BARON | E | 1326 | DE BERMINGHAM | ||||
| BERNARD | VISCOUNT | I | 8 | 6 | 1800 | BERNARD | 1979 | |
| BERTIE OF THAME | BARON | UK | 6 | 28 | 1915 | BERTIE | 1954 | |
| BERTIE OF THAME | VISCOUNT | UK | 9 | 2 | 1918 | BERTIE | 1954 | |
| BERTRAM OF MITFORD | BARON | E | 1264 | BERTRAM | ||||
| BERWICK | DUKE | E | 3 | 19 | 1687 | FITZ-JAMES | EXTINCT - ATTAINTED 1695 | |
| Peerage Index | BERWICK OF ATTINGHAM | BARON | GB | 5 | 19 | 1784 | NOEL-HILL | 1953 |
| A thru C | BEVERIDGE OF TUGGALL | BARON | UK | 6 | 25 | 1956 | BEVERIDGE | 1963 |
| D thru K | BEXLEY | BARON | UK | 1823 | VANSITTART | 1851 | ||
| L thru R | BILSLAND OF KINRARA | BARON | UK | 1 | 31 | 1950 | BILSLAND | 1970 |
| S thru Z | BINDON | VISCOUNT | E | 1559 | HOWARD (BINDON) | |||
| BINDON | EARL | E | 1706 | HOWARD | ||||
| BINGLEY | BARON | GB | 1713 | BENSON | ||||
| BINGLEY | BARON | GB | 1762 | LANE-FOX | ||||
| BINGLEY OF BRAMHAM | BARON | UK | 7 | 24 | 1933 | LANE-FOX | 1947 | |
| BLACHFORD OF WISDOME | BARON | UK | 1871 | ROGERS | 1889 | |||
| BLACKFORD | BARON | UK | 6 | 26 | 1934 | MASON | 1988 | |
| BLAKENEY | BARON | I | 1756 | BLAKENEY | ||||
| BLANTYRE | BARON | E | 1606 | 1900 | ||||
| BLARNEY | BARON | E | 1628 | MACCARTHY | ||||
| BLAYNEY | BARON | I | 7 | 29 | 1621 | BLAYNEY | 1874 | |
| BLESINTON | VISCOUNT | I | 1673 | BOYLE | ||||
| BLESINTON | EARL | I | 1745 | STEWART | ||||
| BLESSINGTON | EARL | I | 1816 | GARDINER | ||||
| BLOOMFIELD | BARON | I | 1825 | BLOOMFIELD | 1879 | |||
| BLOOMFIELD | BARON | UK | 1829 | BLOOMFIELD | ||||
| BLOOMFIELD | BARON | UK | 1871 | BLOOMFIELD | 1879 | |||
| BLOUNT | BARON | E | 1326 | BLOUNT | ||||
| BLOUNT | BARON | E | 1340 | BLOUNT | ||||
| BLUNDELL | VISCOUNT | I | 1720 | BLUNDELL | ||||
| BLYTHSWOOD OF BLYTHSWOOD | BARON | UK | 8 | 24 | 1892 | CAMPBELL | 1940 | |
| BOHUN OF MIDHURST | BARON | E | 1363 | BOHUN | ||||
| BOLINGBROKE | EARL | E | 1624 | ST. JOHN | ||||
| BOLTON | DUKE | E | 4 | 9 | 1689 | PAULET | 1794 | |
| BONVILE | BARON | E | 1449 | BONVILE | ||||
| BORTHWICK | LORD | S | 1452 | BORTHWICK | DORMANT 1910 | |||
| BOTELER OF BRAMFIELD | BARON | E | 1628 | BOTELER | ||||
| BOTELER OF OVERSLEY AND WEMME | BARON | E | 1308 | BOTELER | ||||
| BOTELER OF WARINGTON | BARON | E | 1295 | BOTELER | ||||
| BOTETOURT | BARON | E | 6 | 19 | 1305 | SOMERSET | ABEYANT 1984, WRIT | |
| BOTETOURT | BARON | E | 1664 | BOTETOURT | ||||
| BOTHWELL | LORD | S | 1485 | RAMSAY | ||||
| BOTHWELL | EARL | S | 1488 | HEPBURN | ||||
| Peerage Index | BOTHWELL | EARL | S | 1587 | STEWART | |||
| A thru C | BOTHWELL | LORD | S | 1651 | DOUGLAS | |||
| D thru K | BOTREAUX | BARON | E | 2 | 24 | 1368 | ABEYANT 1960, WRIT | |
| L thru R | BOTTESFORD | BARON | UK | 3 | 10 | 1835 | MANNERS-SUTTON | 1941 |
| S thru Z | BOURCHIER | BARON | S | 1342 | BOURCHIER | DORMANT 1855 | ||
| BOURKE OF BAYO | VISCOUNT | I | 1628 | BOURKE | ||||
| BOURKE OF CASTLECONNEL | BARON | I | 1580 | BOURKE | ||||
| BOWES | BARON | I | 1758 | BOWES | ||||
| BOYD | LORD | S | 1459 | BOYD | ||||
| BOYD | LORD | S | 1536 | BOYD | ||||
| BOYD-ORR | BARON | UK | 3 | 9 | 1949 | BOYD-ORR | 1971 | |
| BOYLE OF KYNALMEAKY | VISCOUNT | I | 1627 | BOYLE | ||||
| BRACKEN | VISCOUNT | UK | 1 | 7 | 1952 | BRACKEN | 1958 | |
| BRACKLEY | VISCOUNT | E | 1616 | EGERTON | ||||
| BRACKLEY | MARQUESS | GB | 1720 | EGERTON | ||||
| BRACO OF KILBRYDE | BARON | I | 1735 | DUFF | 1912 | |||
| BRADESTON | BARON | E | 1322 | BRADESTON | ||||
| BRADFORD | EARL | E | 1694 | NEWPORT | ||||
| BRAINTREE OF BRAINTREE | BARON | UK | 2 | 9 | 1948 | CRITTALL | 1961 | |
| BRAMPTON OF BRAMPTON | BARON | UK | 1899 | HAWKINS | 1907 | |||
| BRAMWELL OF HEVER | BARON | UK | 1882 | BRAMWELL | 1892 | |||
| BRAND | BARON | UK | 7 | 17 | 1946 | BRAND | 1963 | |
| BRANDON | COUNTESS | I | 1758 | AGAR | ||||
| BRANDON | BARON | I | 1758 | CROSBIE | ||||
| BRAOSE | BARON | E | 1299 | BRAOSE | ||||
| BRAOSE | BARON | E | 1342 | BRAOSE | ||||
| BRASSEY | EARL | UK | 1911 | BRASSEY | 1919 | |||
| BRASSEY OF BULKELEY | BARON | UK | 1886 | BRASSEY | 1919 | |||
| BREADALBANE | MARQUESS | UK | 9 | 12 | 1831 | CAMPBELL | 1862 | |
| BREADALBANE | MARQUESS | UK | 7 | 11 | 1885 | CAMPBELL | 1922 | |
| BREADALBANE OF TAYMOUTH | BARON | UK | 1806 | CAMPBELL | 1862 | |||
| BRECHIN | LORD | S | 1481 | STEWART | ||||
| BRECHINE | LORD | S | 1646 | MAULE | ||||
| BRECKNOCK | EARL | E | 1660 | BUTLER | ||||
| BRECON | BARON | UK | 1 | 30 | 1958 | LEWIS | 1976 | |
| BREDALBANE | VISCOUNT | S | 1677 | CAMPBELL | ||||
| BREDALBANE | MARQUESS | UK | 1885 | CAMPBELL | 1922 | |||
| BREDALBANE OF KENMORE | BARON | UK | 1873 | CAMPBELL | 1922 | |||
| BRENTFORD | EARL | E | 1644 | RUTHVEN | ||||
| BRERETON | BARON | I | 1624 | BRERETON | ||||
| Peerage Index | BRIDGEWATER | EARL | E | 1538 | DAUBENEY | |||
| A thru C | BRIDGEWATER | EARL | E | 1617 | EGERTON | |||
| D thru K | BRIDGEWATER | DUKE | GB | 6 | 18 | 1720 | EGERTON | 1829 |
| L thru R | BRIDPORT | BARON | GB | 1796 | HOOD | |||
| S thru Z | BRIDPORT | VISCOUNT | GB | 1800 | HOOD | |||
| BRISTOL | EARL | E | 1622 | DIGBY | ||||
| BROOKE OF OAKLEY | BARON | UK | 7 | 4 | 1939 | DE CAPELL BROOKE | 1944 | |
| BROTHERTON OF WAKEFIELD | BARON | UK | 1929 | BROTHERTON | 1930 | |||
| BROUGHTON OF BROUGHTON-DE-GYFFORD | BARON | UK | 1851 | HOBHOUSE | 1869 | |||
| BROUNCKER | VISCOUNT | I | 1645 | BROUNCKER | ||||
| BROWNLOW | EARL | UK | 1815 | CUST | 1921 | |||
| BRUCE OF ANANDALE | BARON | E | 1295 | BRUCE | ||||
| BRUCE OF MELBOURNE | VISCOUNT | UK | 3 | 18 | 1947 | BRUCE | 1967 | |
| BRUCE OF WHORLTON | BARON | E | 1641 | BRUCE | ||||
| BRYAN | BARON | E | 1350 | BRYAN | ||||
| BRYCE | VISCOUNT | UK | 1914 | BRYCE | 1922 | |||
| BUCCLEUCH | DUKE | S | 1663 | SCOTT | ||||
| BUCHAN | EARL | S | 1200 | CUMYN | ||||
| BUCHAN | EARL | S | 1374 | STEWART | ||||
| BUCHAN | EARL | S | 1406 | STEWART | ||||
| BUCHAN | EARL | S | 1469 | STUART | ||||
| BUCKHURST | BARON | E | 1567 | SACKVILLE | ||||
| BUCKINGHAM | EARL | E | 1066 | GIFFARD | ||||
| BUCKINGHAM | EARL | E | 1377 | PLANTAGENET | ||||
| BUCKINGHAM | EARL | E | 1400 | STAFFORD | ||||
| BUCKINGHAM | DUKE | E | 9 | 14 | 1444 | STAFFORD | EXTINCT - ATTAINTED 1521 | |
| BUCKINGHAM | EARL | E | 1617 | VILLIERS | ||||
| BUCKINGHAM | COUNTESS | E | 1618 | VILLIERS | ||||
| BUCKINGHAM | MARQUESS | E | 1618 | VILLIERS | ||||
| BUCKINGHAM | DUKE | E | 5 | 18 | 1623 | VILLIERS | 1687 | |
| BUCKINGHAM | DUKE | E | 3 | 23 | 1703 | SHEFFIELD | 1735 | |
| BUCKINGHAM | MARQUESS | GB | 1784 | TEMPLE-NUGENT-BRYDGES-CHANDOS-GRENVILLE | 1889 | |||
| BUCKINGHAM AND CHANDOS | DUKE | UK | 1822 | TEMPLE-NUGENT-BRYDGES-CHANDOS-GRENVILLE | 1889 | |||
| BUCKLAND | BARON | UK | 1926 | BERRY | 1928 | |||
| BULKELEY | VISCOUNT | I | 1643 | BULKELEY | ||||
| BULKELEY | BARON | GB | 1784 | BULKELEY | ||||
| BULMER | BARON | E | 1342 | BULMER | ||||
| BURDETT-COUTTS | BARONESS | UK | 1871 | BURDETT-COUTTS | 1906 | |||
| Peerage Index | BURGH OR BOROUGH | BARON | E | 1487 | BURGH | |||
| A thru C | BURGHCLERE OF WALDON | BARON | UK | 1895 | GARDNER | 1921 | ||
| D thru K | BURGHERSH | BARON | E | 1303 | BURGHERSH | |||
| L thru R | BURKE OF CLANMORIES | VISCOUNT | I | 1629 | DE BURGH-CANNING | 1916 | ||
| S thru Z | BURLINGTON | EARL | E | 1664 | BOYLE | |||
| BURNELL | BARON | E | 1311 | BURNELL | ||||
| BURNELL | BARON | E | 1350 | BURNELL | ||||
| BURNHAM | VISCOUNT | UK | 5 | 16 | 1919 | LAWSON | 1933 | |
| BURNTISLAND | LORD | S | 1672 | WEMYSS | ||||
| BURTON | BARON | GB | 1711 | PAGET | ||||
| BURTON OF TANGEMORE AND BURTON | BARON | UK | 1886 | BASS | 1909 | |||
| BUTLER | VISCOUNT | I | 1603 | BUTLER | ||||
| BUTLER | BARON | E | 1666 | BUTLER | ABEYANT 1905 | |||
| BUTLER OF BRAMFIELD | BARON | E | 1628 | BUTLER | ||||
| BUTLER OF LANTHONY | BARON | E | 1660 | BUTLER | ||||
| BUTLER OF LANTHONY | BARON | GB | 1801 | BUTLER | 1820 | |||
| BUTLER OF WESTON | BARON | E | 1673 | BUTLER | ||||
| BUTLER OF WESTON | BARON | E | 1693 | BUTLER | ||||
| BUXTON | VISCOUNT | UK | 5 | 11 | 1914 | BUXTON | 1934 | |
| BUXTON | EARL | UK | 1920 | BUXTON | 1934 | |||
| BYNG OF VIMY | BARON | UK | 10 | 7 | 1919 | BYNG | 1935 | |
| BYNG OF VIMY | VISCOUNT | UK | 1 | 12 | 1928 | BYNG | 1935 | |
| CABLE OF IDEFORD | BARON | UK | 1 | 17 | 1921 | CABLE | 1927 | |
| CADOGAN | EARL | GB | 1718 | CADOGAN | ||||
| CADOGAN OF READING | BARON | GB | 1716 | CADOGAN | ||||
| CAHER | BARON | I | 1583 | BUTLER | DORMANT 1858 | |||
| CAHER | VISCOUNT | UK | 1816 | BUTLER | ||||
| CAILLI | BARON | E | 1309 | CAILLI | ||||
| CAITHNESS | EARL | S | 1153 | STEWART | ||||
| CAITHNESS | EARL | S | 1375 | STEWART | ||||
| CAITHNESS | EARL | S | 1394 | STEWART | ||||
| CAITHNESS | EARL | S | 1430 | STEWART | ||||
| CAITHNESS | EARL | S | 1452 | CRICHTON | ||||
| CAITHNESS | EARL | S | 1677 | CAMPBELL | ||||
| CALENDAR | EARL | S | 1641 | LIVINGSTON | ||||
| CALLAN | BARON | I | 1790 | AGAR | ||||
| CAMBRIDGE | EARL | E | 1362 | PLANTAGENET | ||||
| CAMBRIDGE | EARL | E | 1619 | HAMILTON | ||||
| CAMBRIDGE | EARL | E | 1659 | STUART | ||||
| CAMBRIDGE | DUKE | E | 1661 | STUART | 1661 | |||
| CAMBRIDGE | DUKE | E | 1664 | STUART | 1667 | |||
| CAMBRIDGE | DUKE | E | 1667 | STUART | 1671 | |||
| Peerage Index | CAMBRIDGE | DUKE | E | 1677 | STUART | 1677 | ||
| A thru C | CAMBRIDGE | DUKE | GB | 11 | 9 | 1706 | GUELPH | 1727 |
| D thru K | CAMBRIDGE | DUKE | UK | 1801 | GUELPH | 1904 | ||
| L thru R | CAMBRIDGE | MARQUESS | UK | 7 | 16 | 1917 | CAMBRIDGE | 1981 |
| S thru Z | CAMELFORD | BARON | GB | 1784 | PITT | |||
| CAMPBELL | LORD | S | 1452 | CAMPBELL | ||||
| CAMPDEN | VISCOUNT | E | 1628 | NOEL | ||||
| CAMPERDOWN | EARL | UK | 9 | 12 | 1831 | HALDANE-DUNCAN | 1933 | |
| CAMPION | BARON | UK | 7 | 6 | 1950 | CAMPION | 1958 | |
| CAMPSIE | LORD | S | 1661 | LIVINGSTON | ||||
| CAMVILLE | BARON | E | 1295 | CAMVILLE | ||||
| CANADA | VISCOUNT | S | 1633 | ALEXANDER | ||||
| CANNING | VISCOUNT | UK | 1828 | CANNING | 1862 | |||
| CANNING | EARL | UK | 1859 | CANNING | 1862 | |||
| CANTERBURY | VISCOUNT | UK | 3 | 10 | 1835 | MANNERS-SUTTON | 1941 | |
| CANTILUPE | BARON | E | 1299 | CANTILUPE | ||||
| CAPEL | BARON | E | 1692 | CAPEL | ||||
| CARBERY | BARON | I | 1541 | BIRMINGHAM | ||||
| CARBERY | EARL | I | 1628 | VAUGHAN | ||||
| CARDWELL OF ELLERBECK | VISCOUNT | UK | 1874 | CARDWELL | 1886 | |||
| CAREW | BARON | E | 1605 | CAREW | ||||
| CAREY | BARON | E | 1626 | CAREY | ||||
| CARHAMPTON | BARON | I | 1768 | LUTTRELL | ||||
| CARHAMPTON | VISCOUNT | I | 1781 | LUTTRELL | ||||
| CARHAMPTON | EARL | I | 1785 | LUTTRELL | ||||
| CARISBROOKE | MARQUESS | UK | 7 | 18 | 1917 | MOUNTBATTEN | 1960 | |
| CARLETON | BARON | I | 1789 | CARLETON | ||||
| CARLETON | VISCOUNT | I | 1797 | CARLETON | ||||
| CARLINGFORD | VISCOUNT | I | 1627 | SWIFT | ||||
| CARLINGFORD | VISCOUNT | GB | 5 | 1 | 1761 | CARPENTER | 1853 | |
| CARLINGFORD | BARON | UK | 1874 | PARKINSON-FORTESCUE | 1898 | |||
| CARLINGTON | EARL | I | 1662 | TAAFFE | ||||
| CARLISLE | EARL | E | 1322 | HARCLA | ||||
| CARLISLE | EARL | E | 1622 | HAY | ||||
| CARLTON | BARON | E | 1626 | CARLTON | ||||
| CARLTON | BARON | GB | 1714 | BOYLE | ||||
| CARLYLE | LORD | S | 1470 | CARLYLE | ||||
| CARLYLE | BARON | S | 1609 | DOUGLAS | ||||
| CARLYLE | LORD | S | 1620 | MAXWELL | ||||
| Peerage Index | CARMARTHEN | MARQUESS | E | 4 | 9 | 1689 | OSBORNE | 1964 |
| A thru C | CARMICHAEL | LORD | S | 1647 | CARMICHAEL | |||
| D thru K | CARMICHAEL OF SKIRLING | BARON | UK | 2 | 7 | 1912 | GIBSON-CARMICHAEL | 1926 |
| L thru R | CARNARVON | EARL | E | 1628 | DORMER | |||
| S thru Z | CARNARVON | EARL | GB | 1714 | BRYDGES | |||
| CARNARVON | MARQUESS | GB | 1729 | BRYDGES | ||||
| CARNWATH | EARL | S | 1639 | DALZELL | DORMANT 1941 | |||
| CARPENTER | BARON | GB | 5 | 29 | 1719 | CARPENTER | 1853 | |
| CARR | BARON | E | 1613 | CARR | ||||
| CARRICK | EARL | S | 1200 | BRUCO | ||||
| CARRICK | EARL | S | 1314 | BRUCE | ||||
| CARRICK | EARL | S | 1361 | CUNYNGHAME | ||||
| CARRICK | EARL | S | 1363 | STEWART | ||||
| CARRICK | EARL | S | 1390 | STEWART | ||||
| CARRICK | EARL | S | 1630 | STEWART | ||||
| CARRINGTON | BARON | E | 1643 | SMITH | ||||
| CARRINGTON | VISCOUNT | I | 1643 | SMITH | ||||
| CARRINGTON | EARL | UK | 7 | 16 | 1895 | WYNN-CARRINGTON, CARINGTON | 1928 | |
| CARTERET | BARON | E | 1681 | CARTERET | ||||
| CARTERET | VISCOUNT | GB | 1714 | CARTERET | ||||
| CARTERET | BARON | GB | 1784 | THYNNE | ||||
| CARYSFORT | BARON | I | 1752 | PROBY | 1909 | |||
| CARYSFORT | EARL | I | 1789 | PROBY | 1909 | |||
| CARYSFORT OF NORMAN CROSS | BARON | UK | 1801 | PROBY | 1909 | |||
| CASTLE STUART | BARON | I | 1619 | STEWART | ||||
| CASTLEBAR | BARON | I | 1628 | SAVILLE | ||||
| CASTLECOMER | VISCOUNT | I | 1706 | WANDESFORD | ||||
| CASTLECOOTE | BARON | I | 1800 | COOTE | ||||
| CASTLECUFFE | VISCOUNT | I | 12 | 20 | 1793 | CUFFE | 1934 | |
| CASTLEHAVEN | EARL | I | 1616 | TOUCHET | ||||
| CASTLEHAVEN | EARL | I | 1634 | TOUCHET | ||||
| CASTLEHAVEN | LORD | S | 1685 | MACKENZIE | ||||
| CASTLEMAINE | VISCOUNT | I | 1628 | MONSON | ||||
| CASTLEMAINE | EARL | I | 1661 | PALMER | ||||
| CASTLEMAINE | VISCOUNT | I | 1718 | CHILD | ||||
| CASTLEMAINE | VISCOUNT | I | 1822 | HANDCOCK | 1839 | |||
| CASTLEROSSE | BARON | I | 2 | 12 | 1798 | BROWNE | 1952 | |
| CASTLEROSSE | VISCOUNT | I | 1 | 3 | 1801 | BROWNE | 1952 | |
| CASTLETON | VISCOUNT | I | 1627 | SAUNDERSON | ||||
| CASTLETON | VISCOUNT | GB | 1716 | SAUNDERSON | ||||
| Peerage Index | CASTLETON | EARL | GB | 1720 | SAUNDERSON | |||
| A thru C | CASTLETOWN OF UPPER OSSORY | BARON | UK | 12 | 10 | 1869 | FITZPATRICK | 1937 |
| D thru K | CATHERLOUGH | MARQUESS | I | 1714 | WHARTON | |||
| L thru R | CATHERLOUGH | BARON | I | 1733 | FANE | |||
| S thru Z | CATHERLOUGH | EARL | I | 1762 | KNIGHT | |||
| CAUTLEY OF LINDFIELD | BARON | UK | 1936 | CAUTLEY | 1946 | |||
| CAVE OF RICHMOND | VISCOUNT | UK | 11 | 14 | 1918 | CAVE | 1928 | |
| CAVE OF RICHMOND | COUNTESS | UK | 5 | 8 | 1928 | CAVE | 1938 | |
| CAVE OF RICHMOND | EARL | UK | 3 | 29 | 1928 | CAVE | 1938 | |
| CAVERSHAM | VISCOUNT | GB | 1718 | CADOGAN | ||||
| CECIL OF CHELWOOD | VISCOUNT | UK | 11 | 11 | 1923 | GASCOYNE-CECIL | 1958 | |
| CECIL OF PUTNEY | BARON | E | 1625 | CECIL | ||||
| CHALMERS OF NORTHIAM | BARON | UK | 4 | 24 | 1919 | CHALMERS | 1938 | |
| CHANDOS | BARON | E | 1337 | CHANDOS | ||||
| CHANDOS | BARON | E | 1554 | BRYDGES | ||||
| CHANDOS | DUKE | GB | 4 | 30 | 1729 | BRYDGES | 1789 | |
| CHANDOS | MARQUESS | UK | 1822 | TEMPLE-NUGENT-BRYDGES-CHANDOS-GRENVILLE | 1889 | |||
| CHANNING OF WELLINGBOROUGH | BARON | UK | 7 | 9 | 1912 | CHANNING | 1926 | |
| CHAPLIN | VISCOUNT | UK | 6 | 20 | 1916 | CHAPLIN | 1981 | |
| CHARLEMONT | EARL | I | 1763 | CAULFEILD | 1892 | |||
| CHARLEMONT OF CHARLEMONT | BARON | UK | 1837 | CAULFEILD | 1892 | |||
| CHARLEVILLE | BARON | I | 1718 | BROWNLOW | 1754 | |||
| CHARLEVILLE | EARL | I | 1758 | MOORE | ||||
| CHARLEVILLE | VISCOUNT | I | 12 | 29 | 1800 | BURY | 1875 | |
| CHARLEVILLE | EARL | I | 2 | 16 | 1806 | BURY | 1875 | |
| CHARNWOOD OF CASTLE DONINGTON | BARON | UK | 6 | 29 | 1911 | BENSON | 1955 | |
| CHATHAM | BARON | GB | 1761 | PITT | ||||
| CHATHAM | EARL | GB | 1766 | PITT | 1833 | |||
| CHATTISHAM OF CLITHEROE | BARON | UK | 7 | 13 | 1945 | BRASS | 1945 | |
| CHAVENT | BARON | E | 1299 | CHAVENT | ||||
| CHAWORTH | BARON | E | 1299 | CHAWORTH | ||||
| CHAWORTH | VISCOUNT | I | 1627 | CHAWORTH | ||||
| CHEDWORTH | BARON | GB | 1741 | HOWE | ||||
| CHENEY | BARON | E | 1487 | CHENEY | ||||
| CHENEY OF TODDINGTON | BARON | E | 1572 | CHENEY | ||||
| CHERLETON OF POWYS | BARON | E | 1313 | CHERLETON | ||||
| CHERWELL | VISCOUNT | UK | 6 | 25 | 1956 | LINDEMANN | 1957 | |
| CHERWELL OF OXFORD | BARON | UK | 7 | 4 | 1941 | LINDEMANN | 1957 | |
| CHESTER | EARL | E | 1066 | GEORBODUS | ||||
| Peerage Index | CHESTER | EARL | E | 1070 | ABRINCIS | |||
| A thru C | CHESTER | EARL | E | 1119 | MESCHINES | |||
| D thru K | CHESTER | EARL | E | 1231 | LE SCOT | |||
| L thru R | CHESTER | EARL | E | 1253 | PLANTAGENET | |||
| S thru Z | CHESTER | EARL | E | 1264 | DE MONTFORT | |||
| CHESTERFIELD | EARL | E | 8 | 4 | 1628 | STANHOPE | 1967 | |
| CHESTERFIELD | COUNTESS | E | 1660 | WOTTON | ||||
| CHEYLESMORE | BARON | UK | 7 | 9 | 1887 | EATON | 1974 | |
| CHEYNE | LORD | S | 1681 | CHEYNE | ||||
| CHICHESTER | BARON | I | 1612 | CHICHESTER | ||||
| CHICHESTER | EARL | E | 6 | 3 | 1644 | LEIGH, WRIOTHESLEY | 1667 | |
| CHILD | BARON | E | 1678 | CHILD | ||||
| CHOLMONDELEY | VISCOUNT | I | 1628 | CHOLMONDELEY | ||||
| CHOLMONDELEY | BARON | E | 1645 | CHOLMONDELEY | ||||
| CHURCHILL | BARON | S | 1685 | CHURCHILL | ||||
| CILCENNIN OF HEREFORD | VISCOUNT | UK | 1 | 18 | 1956 | THOMAS | 1960 | |
| CLANBRASSILL | EARL | I | 1647 | HAMILTON | ||||
| CLANBRASSILL | EARL | I | 1756 | HAMILTON | ||||
| CLANBRASSILL | BARON | UK | 1821 | JOCELYN | 1897 | |||
| CLANCARE | EARL | I | 1556 | M’CARTHY | ||||
| CLANCARTY | EARL | I | 1658 | M’CARTY | ||||
| CLANDEBOYE | BARON | UK | 1 | 22 | 1850 | HAMILTON-TEMPLE-BLACKWOOD | 1988 | |
| CLANDEBOYE | VISCOUNT | UK | 11 | 13 | 1871 | HAMILTON-TEMPLE-BLACKWOOD | 1988 | |
| CLANEBOY | VISCOUNT | I | 1622 | HAMILTON | ||||
| CLANEBOY | BARON | I | 1719 | HAMILTON | ||||
| CLANMALIER | VISCOUNT | I | 1631 | O’DEMPSEY | ||||
| CLANRICARDE | EARL | I | 7 | 1 | 1543 | DE BURGH-CANNING | 1916 | |
| CLANRICARDE | MARQUESS | I | 1825 | DE BURGH-CANNING | 1916 | |||
| CLARE | BARON | E | 1066 | CLARE | ||||
| CLARE | BARON | E | 1309 | CLARE | ||||
| CLARE | EARL | E | 1624 | HOLLES | ||||
| CLARE | EARL | GB | 1714 | HOLLES-PELHAM | ||||
| CLARE | VISCOUNT | I | 1767 | NUGENT | ||||
| CLARE | EARL | I | 6 | 12 | 1795 | FITZGIBBON | 1864 | |
| CLARE | BARON | GB | 1799 | 1864 | ||||
| CLARENCE | DUKE | E | 9 | 15 | 1362 | PLANTAGENET | 1368 | |
| CLARENCE | DUKE | E | 7 | 9 | 1411 | PLANTAGENET | 1421 | |
| CLARENCE | DUKE | E | 1461 | PLANTAGENET | EXTINCT - ATTAINTED 1477 | |||
| CLARENCE | EARL | UK | 1881 | ROYAL FAMILY-SAXONY | SUSPENDED 3-28-1919 | |||
| CLARENCE AND AVONDALE | DUKE | UK | 1890 | GUELPH | 1892 | |||
| CLARENCE AND ST. ANDREWS | DUKE | GB | 5 | 20 | 1789 | GUELPH | 1837 | |
| Peerage Index | CLARENDON | EARL | E | 1661 | HYDE | |||
| A thru C | CLARINA OF ELM PARK | BARON | I | 12 | 27 | 1800 | MASSEY | 1952 |
| D thru K | CLAUSON OF HAWKESHEAD | BARON | UK | 2 | 20 | 1942 | CLAUSON | 1946 |
| L thru R | CLAVERING | BARON | E | 1295 | CLAVERING | |||
| S thru Z | CLEMENTS OF KILMACURAN | BARON | UK | 6 | 20 | 1831 | CLEMENTS | 1952 |
| CLENAWLY | BARON | I | 1701 | HOWE | ||||
| CLERMONT | BARON | I | 1770 | FORTESCUE | ||||
| CLERMONT | BARON | I | 1776 | FORTESCUE | ||||
| CLERMONT | VISCOUNT | I | 1776 | FORTESCUE | ||||
| CLERMONT | EARL | I | 1778 | FORTESCUE | 1829 | |||
| CLERMONT | BARON | I | 1852 | 1898 | ||||
| CLERMONT | BARON | UK | 1866 | 1887 | ||||
| CLERMONT AND FETTERCAIRN | LORD | S | 1660 | MIDDLETON | ||||
| CLEVELAND | EARL | E | 1625 | WENTWORTH | ||||
| CLEVELAND | DUKE | E | 8 | 3 | 1670 | VILLIERS, FITZ-ROY | 1774 | |
| CLEVELAND | MARQUESS | UK | 1827 | VANE AND POWLETT | 1891 | |||
| CLEVELAND | DUKE | UK | 1833 | VANE AND POWLETT | 1891 | |||
| CLIFDEN | BARON | I | 7 | 27 | 1776 | AGAR-ROBARTES | 1974 | |
| CLIFDEN | VISCOUNT | I | 1 | 13 | 1781 | AGAR-ROBARTES | 1974 | |
| CLIFFORD | BARON | E | 1299 | CLIFFORD | ||||
| CLIFFORD OF LANESBOROUGH | BARON | E | 1644 | BOYLE | ||||
| CLIFTON | BARON | E | 1376 | CLIFTON | ||||
| CLINTON | BARON | E | 1330 | CLINTON | ||||
| CLINTON | EARL | GB | 1746 | FORTESCUE | ||||
| CLOGHGRENAN | BARON | I | 1693 | BUTLER | ||||
| CLONBROCK | BARON | I | 6 | 3 | 1790 | DILLON | 1926 | |
| CLONCURRY | BARON | I | 9 | 12 | 1789 | LAWLESS | 1929 | |
| CLONCURRY | BARON | UK | 1831 | LAWLESS | 1929 | |||
| CLONMELL | VISCOUNT | I | 8 | 18 | 1789 | SCOTT | 1935 | |
| CLONMELL | EARL | I | 12 | 20 | 1793 | SCOTT | 1935 | |
| CLONMORE | VISCOUNT | I | 1676 | BUTLER | ||||
| CLONMORE | BARON | I | 7 | 21 | 1776 | FORWARD-HOWARD | 1978 | |
| CLONTARFE | VISCOUNT | I | 1541 | RAWSON | ||||
| CLYDE | BARON | UK | 8 | 16 | 1858 | CAMPBELL | 1863 | |
| COBHAM | BARON | E | 1 | 8 | 1312 | COBHAM, BROOKE, BOOTHBY, THORP, DISNEY, ALEXANDER, OLDCASTLE | ABEYANT 1951 | |
| COBHAM | BARON | E | 1645 | BROOKE | ||||
| COBHAM OF KENT | BARON | E | 1313 | COBHAM | ||||
| COBHAM OF NORFOLK | BARON | E | COBHAM | |||||
| COBHAM OF RUNDELL | BARON | E | 1326 | COBHAM | ||||
| COBHAM OF STERBOROUGH | BARON | E | 1342 | COBHAM | ||||
| CODBER | BARON | UK | 1956 | 1976 | ||||
| Peerage Index | COHEN | BARON | UK | 11 | 12 | 1951 | 1973 | |
| A thru C | COHEN OF BIRKENHEAD | BARON | UK | 7 | 16 | 1956 | COHEN | 1977 |
| D thru K | COKE | VISCOUNT | GB | 1744 | COKE | |||
| L thru R | COLBORNE | BARON | UK | 1839 | COLBORNE | 1854 | ||
| S thru Z | COLCHESTER | VISCOUNT | E | 1621 | SAVAGE | |||
| COLCHESTER OF COLCHESTER | BARON | UK | 1817 | ABBOT | 1919 | |||
| COLEBROOKE OF STUBENHEATH | BARON | UK | 2 | 20 | 1906 | COLEBROOKE | 1939 | |
| COLEPEPER | BARON | E | 1644 | COLEPEPER | ||||
| COLERAINE | BARON | I | 1625 | HARE | ||||
| COLERAINE | BARON | I | 1762 | HANGER | ||||
| COLESHILL | VISCOUNT | GB | 1790 | DIGBY | 1856 | |||
| COLLINGWOOD | BARON | UK | 1805 | COLLINGWOOD | ||||
| COLONSAY | BARON | UK | 1867 | MCNEILL | 1874 | |||
| COLVILE | BARON | E | 1264 | COLVILE | ||||
| COLVILE | LORD | S | 1651 | COLVILE | ||||
| COLYEAR | BARON | S | 1703 | COLYEAR | ||||
| COMPTON | BARON | E | 1572 | ABEYANT 1855 | ||||
| CONESFORD | BARON | UK | 5 | 12 | 1955 | STRAUSS | 1974 | |
| CONINGSBY | BARON | I | 1693 | CONINGSBY | ||||
| CONINGSBY | BARON | GB | 1715 | CONINGSBY | ||||
| CONINGSBY | BARONESS | GB | 1716 | CONINGSBY | ||||
| CONINGSBY | VISCOUNTESS | GB | 1716 | CONINGSBY | ||||
| CONINGSBY | EARL | GB | 1719 | CONINGSBY | ||||
| CONNAUGHT | EARL | GB | 1764 | 1834 | ||||
| CONNAUGHT AND STRATHEARN | DUKE | UK | 5 | 24 | 1874 | ROYAL FAMILY-WINDSOR | 1942 | |
| CONNEMARA | BARON | UK | 1887 | BOURKE | 1902 | |||
| CONSTABLE | LORD | S | 1620 | CONSTABLE | ||||
| CONWAY | BARON | E | 1624 | CONWAY | ||||
| CONWAY | VISCOUNT | I | 1626 | CONWAY | ||||
| CONWAY | EARL | E | 1679 | CONWAY | ||||
| CONWAY OF ALLINGTON | BARON | UK | 1931 | CONWAY | 1937 | |||
| CONYERS | BARON | E | 1509 | CONYERS, DARCY, D'ARCY, OXBORNE, LANE-FOX, ANDERSON-PELHAM | ABEYANT 1948 | |||
| CONYNGHAM | BARON | I | 1753 | CONYNGHAM | ||||
| CONYNGHAM | VISCOUNT | I | 1756 | CONYNGHAM | ||||
| CONYNGHAM | EARL | I | 1780 | CONYNGHAM | ||||
| COOPER OF CULROSS | BARON | UK | 7 | 31 | 1954 | COOPER | 1955 | |
| COOTE OF COLOONY | BARON | I | 1660 | COOTE | ||||
| COPE OF ST. MELLONS | BARON | UK | 7 | 11 | 1945 | COPE | 1946 | |
| CORBET | BARON | E | 1295 | CORBET | ||||
| CORBET | VISCOUNTESS | E | 1679 | CORBET | ||||
| CORNWALL | EARL | E | 1066 | GAVESTON | ||||
| Peerage Index | CORNWALL | EARL | E | 1068 | MORETON | |||
| A thru C | CORNWALL | EARL | E | 1140 | DUNSTANVILL | |||
| D thru K | CORNWALL | EARL | E | 1226 | PLANTAGENET | |||
| L thru R | CORNWALL | EARL | E | 1328 | PLANTAGENET | |||
| S thru Z | CORNWALL | DUKE | E | 1337 | PLANTAGENET | |||
| CORNWALLIS | BARON | E | 1661 | CORNWALLIS | ||||
| CORNWALLIS | EARL | GB | 1753 | CORNWALLIS | 1852 | |||
| CORNWALLIS | MARQUESS | GB | 1792 | CORNWALLIS | ||||
| COTTINGTON | BARON | E | 1631 | COTTINGTON | ||||
| COUPAR | BARON | S | 1607 | ELPHINSTONE | ||||
| COURTAULD-THOMSON | BARON | UK | 2 | 1 | 1944 | COURTAULD-THOMSON | 1954 | |
| COURTENAY | BARON | E | 1299 | COURTENAY | ||||
| COURTHOPE OF WHILIGH | BARON | UK | 7 | 3 | 1945 | COURTHOPE | 1955 | |
| COURTNEY OF PENWITH | BARON | UK | 1906 | COURTNEY | 1918 | |||
| COVENTRY | EARL | E | 1623 | VILLIERS | ||||
| COVENTRY | BARON | E | 1628 | COVENTRY | ||||
| COWBER | BARON | E | 1706 | COWPER | 1905 | |||
| COWELELYENE | BARON | I | 1554 | KAVANAGH | ||||
| COWPER | EARL | GB | 1718 | COWPER | 1905 | |||
| COZENS-HARDY | BARON | UK | 7 | 1 | 1914 | 1975 | ||
| COZENS-HARDY | BARON | UK | 1914 | COZENS-HARDY | 1975 | |||
| CRAMOND | LORD | S | 1628 | RICHARDSON | ||||
| CRANFIELD | BARON | E | 1621 | CRANFIELD | ||||
| CRANSTOUN | BARON | S | 11 | 14 | 1609 | CRANSTOUN | 1869 | |
| CRANWORTH | BARON | UK | 1850 | ROLFE | 1868 | |||
| CRAVEN | BARON | E | 1626 | CRAVEN | ||||
| CRAVEN | EARL | E | 1663 | CRAVEN | ||||
| CRAVEN | VISCOUNT | E | 1663 | CRAVEN | ||||
| CRAVEN OF RYTON | BARON | E | 1642 | CRAVEN | ||||
| CRAWFORD | EARL | S | 1398 | LINDSAY | ||||
| CRAWFORD | EARL | S | 1644 | LINDSAY | ||||
| CREMORNE | VISCOUNT | I | 1785 | DAWSON | 1813 | |||
| CREMORNE OF CASTLE DAWSON | BARON | I | 11 | 14 | 1797 | DAWSON | 1933 | |
| CRETING | BARON | E | 1332 | CRETING | ||||
| CREW | BARON | E | 1661 | CREW | ||||
| CREWE | EARL | UK | 7 | 19 | 1895 | CREWE-MILNES, OFFLEY | 1945 | |
| CREWE | MARQUESS | UK | 7 | 3 | 1911 | CREWE-MILNES, OFFLEY | 1945 | |
| CREWE OF CREWE | BARON | UK | 1806 | CREWE-MILNES, OFFLEY | 1894 | |||
| CRICHTON | LORD | S | 1445 | CRICHTON | ||||
| CRICHTON | LORD | S | 1642 | CRICHTON | ||||
| CROFTS | BARON | E | 1658 | CROFTS | ||||
| CROMARTY | EARL | S | 1703 | MACKENZIE | ||||
| Peerage Index | CROMWELL | BARON | E | 1540 | CROMWELL | |||
| A thru C | CROMWELL OF OKEHAM | BARON | E | 1536 | CROMWELL | |||
| D thru K | CROMWELL OF TATSHALL | BARON | E | 1308 | CROMWELL | |||
| L thru R | CROOKSHANK | VISCOUNT | UK | 1 | 13 | 1956 | CROOKSHANK | 1961 |
| S thru Z | CROSBIE | VISCOUNT | I | 1771 | CROSBIE | |||
| CULLEN | VISCOUNT | I | 1642 | COKAYNE | ||||
| CULLODEN | BARON | UK | 1801 | NONE (ROYAL FAMILY) | 1904 | |||
| CULMORE | BARON | I | 1725 | BATEMAN | ||||
| CUMBERLAND | EARL | E | 1525 | CLIFFORD | ||||
| CUMBERLAND | DUKE | E | 6 | 24 | 1644 | RUPERT | 1682 | |
| CUMBERLAND | DUKE | E | 4 | 9 | 1689 | PRINCE OF DENMARK | 1708 | |
| CUMBERLAND | DUKE | GB | 7 | 27 | 1726 | GUELPH | 1765 | |
| CUMBERLAND AND STRATHERN | DUKE | GB | 10 | 18 | 1766 | GUELPH | 1790 | |
| CUMBERLAND AND TEVIOTDALE | DUKE | GB | 1799 | GUELPH | SUSPENDED 3-28-1919 | |||
| CUMBERNAULD | LORD | S | 1606 | FLEMING | ||||
| CUNNINGHAM OF HYNDHOPE | BARON | UK | 9 | 15 | 1945 | CUNNINGHAM | 1963 | |
| CUNNINGHAM OF HYNDHOPE | VISCOUNT | UK | 1 | 26 | 1946 | CUNNINGHAM | 1963 | |
| CURRIE OF HAWLEY | BARON | UK | 1899 | CURRIE | 1906 | |||
| CURZON OF KEDLESTON | BARON | I | 11 | 11 | 1898 | CURZON | 1925 | |
| CURZON OF KEDLESTON | EARL | UK | 11 | 2 | 1911 | CURZON | 1925 | |
| CURZON OF KEDLESTON | MARQUESS | UK | 6 | 28 | 1921 | CURZON | 1925 | |
| CUSHENDUN OF CUSHENDUN | BARON | UK | 1927 | MCNEILL | 1934 | |||
| CUTTS | BARON | I | 1690 | CUTTS |