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Titles without an extinction date expired prior to 1900.
| NAVIGATION | TITLE | DEGREE | PEERAGE | MO | DAY | YEAR | SURNAME(S) | EXTINCTION DATE |
|---|---|---|---|---|---|---|---|---|
| D’ABERNON OF ESHER | BARON | UK | 7 | 2 | 1914 | VINCENT | 1941 | |
| D’ABERNON OF ESHER AND STOKE D’ABERNON | VISCOUNT | UK | 1926 | VINCENT | 1941 | |||
| Peerage Index | D’AMORIE | BARON | E | 1317 | D’AMORIE | |||
| A thru C | D’ARCY | BARON | E | 1299 | D’ARCY | |||
| D thru K | D’ARCY | BARON | E | 1641 | D’ARCY | |||
| L thru R | D’ARCY | BARON | I | 1721 | D’ARCY | |||
| S thru Z | D’ARCY OF ASTON | BARON | E | 1548 | D’ARCY | |||
| D’ARCY OF D’ARCY | BARON | E | 1509 | D’ARCY | ||||
| D’EIVILL | BARON | E | 1264 | D’EIVILL | ||||
| D’EYNCOURT | BARON | E | 1299 | D’EYNCOURT | ||||
| DACRE OF GILLESLAND | BARON | E | 1482 | DACRE | ||||
| DAER AND SHORTCLEUCH | BARON | S | 8 | 4 | 1646 | DORMANT IN 1938 | ||
| DAGWORTH | BARON | E | 1347 | DAGWORTH | ||||
| DALKEITH | LORD | S | 1580 | STEWART | ||||
| DALKEITH | EARL | S | 1663 | SCOTT | ||||
| DALLING AND BULWER OF DALLING | BARON | UK | 1871 | BULWER | 1872 | |||
| DALZELL | BARON | S | 1628 | DALZELL | DORMANT 1941 | |||
| DALZELL AND LIBERTON | BARON | S | 1639 | DALZELL | DORMANT 1941 | |||
| DALZIEL OF KIRKCALDY | BARON | UK | 6 | 28 | 1921 | DALZIEL | 1935 | |
| DALZIEL OF WOOLER | BARON | UK | 1927 | DALZIEL | 1928 | |||
| DANBY | EARL | E | 1626 | DANVERS | ||||
| DANBY | EARL | E | 6 | 27 | 1674 | OSBORNE | 1964 | |
| DANESFORT | BARON | UK | 1924 | BUTCHER | 1935 | |||
| DANVERS | BARON | E | 1603 | DANVERS | ||||
| DARCY | BARON | E | 1332 | D’ARCY | ||||
| DARCY OF CHICHE | BARON | E | 1551 | DARCY | ||||
| DARLINGTON | BARONESS | E | 1686 | SIDLEY | ||||
| DARLINGTON | EARL | GB | 1754 | VANE, POWLETT | 1891 | |||
| DARNLEY | LORD | S | 1460 | STEWART | ||||
| DARNLEY | EARL | S | 1581 | STEWART | ||||
| DARTREY | EARL | UK | 7 | 12 | 1866 | DAWSON | 1933 | |
| DARTREY OF DARTREY | BARON | UK | 9 | 20 | 1847 | DAWSON | 1933 | |
| DARTREY OF DAWSON’S GROVE | BARON | I | 5 | 28 | 1770 | DAWSON | 1813 | |
| DAUBENEY | BARON | E | 1295 | DAUBENEY | ||||
| DAUBENEY | BARON | E | 1486 | DAUBENEY | ||||
| DAUNEY | BARON | E | 1327 | DAUNEY | ||||
| DAVIDSON OF LAMBETH | BARON | UK | 1928 | DAVIDSON | 1930 | |||
| DAWNAY OF COWICK | BARON | GB | 6 | 9 | 1797 | DAWNAY | 1832 | |
| DAWSON OF PENN | BARON | UK | 2 | 9 | 1920 | DAWSON | 1945 | |
| DE BLAQUIERE OF ARDKILL | BARON | I | 1800 | DE BLAQUIERE | 1920 | |||
| DE FREYNE OF ARTAGH | BARON | UK | 1839 | FRENCH | 1856 | |||
| DE GREY | MARQUESS | GB | 1740 | GREY | ||||
| DE GREY | EARL | UK | 1816 | ROBINSON | 1923 | |||
| Peerage Index | DE LA POLE | BARON | E | 1360 | POLE | |||
| A thru C | DE LA WARDE | BARON | E | 1299 | DELAWARDE | |||
| D thru K | DE MONTALT OF DUNDRUM | EARL | UK | 1886 | MAUDE | 1905 | ||
| L thru R | DE TABLEY OF TABLEY HOUSE | BARON | UK | 1826 | LEICESTER, BYRNE | 1895 | ||
| S thru Z | DE VESCI OF ABBY LEIX | BARON | UK | 1884 | VESEY | 1903 | ||
| DECIES | VISCOUNT | I | 1673 | LE POER | ||||
| DEINCOURT OF SUTTON | BARON | E | 1624 | LEKE | ||||
| DELAMERE | BARON | E | 1661 | BOOTH | ||||
| DELAVAL | BARON | I | 1783 | DELAVAL | ||||
| DELAVAL | BARON | GB | 1786 | DELAVAL | ||||
| DELORAINE | EARL | S | 1706 | SCOTT | ||||
| DENBIGH | BARON | E | 1563 | DUDLEY | ||||
| DENNY | BARON | E | 1604 | DENNY | ||||
| DERBY | EARL | E | 1138 | FERRERS | ||||
| DERBY | EARL | E | 1337 | PLANTAGENET | ||||
| DERNELEY | LORD | S | 1460 | STEWART | ||||
| DERWENTWATER | EARL | E | 1688 | RADCLIFFE | ||||
| DESART | VISCOUNT | I | 1 | 6 | 1781 | CUFFE | 1934 | |
| DESART | EARL | I | 12 | 20 | 1793 | CUFFE | 1934 | |
| DESART | BARON | UK | 5 | 12 | 1909 | CUFFE | 1934 | |
| DESART OF DESART | BARON | I | 11 | 10 | 1733 | CUFFE | 1934 | |
| DESBOROUGH OF TAPLOW | BARON | UK | 12 | 30 | 1905 | GRENFELL | 1945 | |
| DESMOND | EARL | I | 1329 | FITZGERALD | ||||
| DESMOND | EARL | I | 1660 | FITZGERALD | ||||
| DESPENSER | BARON | E | 1338 | DESPENSER | ||||
| DEVEREUX | BARON | E | 1384 | DEVEREUX | ||||
| DEVLIN | BARON | UK | 10 | 11 | 1961 | 1992 | ||
| DEVON | EARL | E | 1335 | COURTENAY | ||||
| DEVON | EARL | E | 1469 | STAFFORD | ||||
| DEVON | EARL | E | 1485 | COURTENAY | ||||
| DEVON | EARL | E | 1603 | BLOUNT | ||||
| DEWAR | BARON | UK | 5 | 20 | 1919 | DEWAR | 1930 | |
| DIGBY | BARON | E | 1618 | DIGBY | ||||
| DIGBY | EARL | GB | 1790 | DIGBY | 1856 | |||
| DINAN | BARON | E | 1295 | DINAN | ||||
| DINGWALL | LORD | S | 1587 | KEITH | ||||
| DINORBEN | BARON | UK | 1831 | HUGHES | 1852 | |||
| DIRLETOUN | EARL | S | 1646 | MAXWELL | ||||
| DOCKWRA OF CULMORE | BARON | I | 1621 | DOCKWRA | ||||
| DONAMORE | BARON | I | 1646 | HAWLEY | ||||
| DONCASTER | VISCOUNT | E | 1618 | HAY | ||||
| DONCASTER | VISCOUNT | E | 1663 | SCOTT | ||||
| Peerage Index | DONERAILE | VISCOUNT | I | 1703 | ST. LEGER | |||
| A thru C | DONINGTON OF DONINGTON PARK | BARON | UK | 5 | 4 | 1880 | ABNEY-HASTINGS, CLIFTON-HASTINGS-CAMPBELL | 1927 |
| D thru K | DORCHESTER | VISCOUNT | E | 1628 | CARLTON | |||
| L thru R | DORCHESTER | MARQUESS | E | 1644 | PIERREPONT | |||
| S thru Z | DORCHESTER | COUNTESS | E | 1686 | SIDLEY | |||
| DORCHESTER | MARQUESS | E | 1706 | PIERREPONT | ||||
| DORCHESTER | EARL | GB | 1792 | DAMER | ||||
| DORCHESTER OF DORCHESTER | BARON | GB | 1786 | CARLETON | 1897 | |||
| DORCHESTER OF DORCHESTER | BARON | UK | 8 | 2 | 1899 | CARLETON | 1963 | |
| DORSET | EARL | E | 1416 | BEAUFORT | ||||
| DORSET | EARL | E | 1441 | BEAUFORT | ||||
| DORSET | MARQUESS | E | 1442 | BEAUFORT | ||||
| DORSET | MARQUESS | E | 1475 | GREY | ||||
| DORSET | EARL | E | 1603 | SACKVILLE | ||||
| DORSET | DUKE | GB | 6 | 13 | 1720 | SACKVILLE | 1843 | |
| DOUGLAS | EARL | S | 1357 | DOUGLAS | ||||
| DOUGLAS | LORD | S | 1675 | DOUGLAS | ||||
| DOUGLAS | DUKE | S | 4 | 18 | 1703 | DOUGLAS | 1761 | |
| DOUGLAS | LORD | S | 1706 | DOUGLAS | ||||
| DOUGLAS | BARON | GB | 1786 | DOUGLAS | ||||
| DOUGLAS OF BARLOCH | BARON | UK | 4 | 11 | 1950 | DOUGLAS | 1980 | |
| DOUGLAS OF DOUGLAS | BARON | GB | 1790 | STEWART | 1857 | |||
| DOUGLAS OF KIRTLESIDE | BARON | UK | 2 | 9 | 1948 | DOUGLAS | 1969 | |
| DOVER | EARL | E | 1628 | CAREY | ||||
| DOVER | DUKE | GB | 5 | 26 | 1708 | DOUGLAS | 1778 | |
| DOVER | BARON | GB | 1788 | YORKE | ||||
| DOVER OF DOVER | BARON | UK | 1831 | AGAR-ELLIS | 1899 | |||
| DOVERCOURT | BARON | UK | 1 | 18 | 1954 | HOLMES | 1961 | |
| DOVERDALE | BARON | UK | 1 | 6 | 1917 | PARTINGTON | 1949 | |
| DOWNE | EARL | I | 1628 | POPE | ||||
| DOWNES | BARON | I | 12 | 10 | 1822 | BURGH | 1863 | |
| DOWNHAM OF FULHAM | BARON | UK | 1918 | FISHER | 1920 | |||
| DOWNTON | BARON | GB | 1747 | DUNCOMBE | ||||
| DROGHEDA | MARQUESS | I | 1791 | MOORE | 1892 | |||
| DROMORE | BARON | I | 1628 | SCUDAMORE | ||||
| DRUMALBYN | BARON | UK | 11 | 9 | 1963 | MACPHERSON | 1987 | |
| DRUMMOND | BARON | S | 1797 | DRUMMOND | ||||
| DRUMMOND OF GEILLESTOUN | LORD | S | 1685 | DRUMMOND | DORMANT 1902 | |||
| DRUMMOND OF RICCARTOUN | LORD | S | 1686 | DRUMMOND | DORMANT 1902 | |||
| DUBLIN | EARL | I | 1799 | 1820 | ||||
| DUBLIN | MARQUESS | E | 1385 | VERE | 1386 | |||
| Peerage Index | DUDHOPE | VISCOUNT | S | 1641 | SERIMGEOUR | |||
| A thru C | DUDLEY | BARON | E | 1308 | SOMERIE | |||
| D thru K | DUDLEY | BARON | E | 1342 | SUTTON | |||
| L thru R | DUDLEY | DUCHESS | E | 5 | 23 | 1644 | LEIGH | 1670 |
| S thru Z | DUDLEY | BARON | E | 1697 | WARD | |||
| DUFFERIN | EARL | UK | 11 | 13 | 1871 | HAMILTON-TEMPLE-BLACKWOOD | 1988 | |
| DUFFERIN AND AVA | MARQUESS | UK | 11 | 17 | 1888 | HAMILTON-TEMPLE-BLACKWOOD | 1988 | |
| DUFFUS | LORD | S | 1650 | SUTHERLAND, DUNBAR | 1876 (ATTAINTED 1715-1826) | |||
| DUGAN OF VICTORIA | BARON | UK | 7 | 7 | 1949 | DUGAN | 1951 | |
| DUKESTON | BARON | UK | 4 | 1 | 1947 | DUKES | 1948 | |
| DUMBARTON | EARL | S | 1675 | DOUGLAS | ||||
| DUNBAR | EARL | S | 1605 | HOME | ||||
| DUNBAR | VISCOUNT | S | 1620 | CONSTABLE | ||||
| DUNBAR | EARL | S | DUNBAR | |||||
| DUNCAN OF CAMPERDOWN | VISCOUNT | GB | 10 | 30 | 1797 | HALDANE-DUNCAN | 1933 | |
| DUNCAN OF LUNDIE | BARON | GB | 10 | 30 | 1797 | HALDANE-DUNCAN | 1933 | |
| DUNDALK | BARONESS | I | 1716 | SCHULENBERG | ||||
| DUNDEE | EARL | S | 1660 | SCRIMGEOUR | ||||
| DUNDEE | VISCOUNT | S | 1688 | GRAHAM | ||||
| DUNEDIN OF STENTON | BARON | UK | 3 | 9 | 1905 | MURRAY | 1942 | |
| DUNEDIN OF STENTON | VISCOUNT | UK | 1926 | MURRAY | 1942 | |||
| DUNFERMLINE | EARL | S | 1605 | SETON | ||||
| DUNFERMLINE | BARON | UK | 1839 | ABERCROMBY | 1868 | |||
| DUNGAN | VISCOUNT | I | 1661 | DUNGAN, DONGAN | 1715 | |||
| DUNGANNON | BARON | I | 1542 | O’NEILL | ||||
| DUNGANNON | VISCOUNT | I | 1661 | TREVOR | ||||
| DUNGANNON | COUNTESS | I | 1716 | SCHULENBERG | ||||
| DUNGANNON | MARCHINONESS | I | 1716 | SCHULENBERG | ||||
| DUNGANNON | VISCOUNT | I | 1765 | TREVOR | 1862 | |||
| DUNKELD | LORD | S | 1645 | GALLOWAY | ||||
| DUNKELLIN | BARON | I | 1543 | DE BURGH-CANNING | 1916 | |||
| DUNKERRON | VISCOUNT | I | 1719 | PETTY | ||||
| DUNLUCE | VISCOUNT | I | 1618 | MACDONNEL | ||||
| DUNOON | LORD | S | 1706 | CAMPBELL | ||||
| DUNSANDLE AND CLANCONAL | BARON | I | 1845 | DALY | 1911 | |||
| DUNSFORD | VISCOUNT | UK | 2 | 2 | 1920 | BRODRICK | 1979 | |
| DUNSMORE | BARON | E | 1628 | LEIGH | ||||
| DURAS | BARON | E | 1673 | DURAS | ||||
| DURHAM | BARON | E | 1075 | DE LORRAINE | ||||
| DURSLEY | VISCOUNT | E | 9 | 11 | 1679 | BERKELEY | 1942 | |
| EARDLEY | BARON | I | 1789 | EARDLEY | ||||
| Peerage Index | EARLSFORT OF LISSON-EARL | BARON | I | 5 | 20 | 1784 | SCOTT | 1935 |
| A thru C | EASTBARNS | BARON | S | 1600 | RAMSAY | |||
| D thru K | EASTNOR | VISCOUNT | UK | 1821 | SOMERS-COCKS | 1883 | ||
| L thru R | EDEN | VISCOUNT | UK | 7 | 12 | 1960 | 1985 | |
| S thru Z | EDENDERRY | BARON | I | 1720 | BLUNDELL | |||
| EDINBURGH | DUKE | GB | 7 | 26 | 1726 | GUELPH | 1751 | |
| EDINBURGH | DUKE | GB | 1764 | GUELPH | 1834 | |||
| EDINBURGH | DUKE | UK | 1866 | GUELPH | 1900 | |||
| EDIRDALE | EARL | S | 1488 | STEWART | ||||
| EDRINGTON | BARON | E | 1336 | EDRINGTON | ||||
| EFFINGHAM | EARL | GB | 1731 | HOWARD | ||||
| EGERTON OF TATTON | BARON | UK | 5 | 15 | 1859 | EGERTON | 1958 | |
| EGERTON OF TATTON | EARL | UK | 1897 | EGERTON | 1909 | |||
| EGREMONT | BARON | E | 1449 | PERCY | ||||
| EGREMONT | EARL | GB | 1749 | WYNDHAM | ||||
| ELBOTTLE | LORD | S | 1646 | MAXWELL | ||||
| ELIBANK | VISCOUNT | UK | 7 | 3 | 1911 | MURRAY | 1962 | |
| ELLENBOROUGH | EARL | UK | 1844 | LAW | 1871 | |||
| ELLESMERE | BARON | E | 1603 | EGERTON | ||||
| ELMLEY | VISCOUNT | UK | 12 | 1 | 1815 | LYGON | 1979 | |
| ELPHINSTONE | BARON | UK | 1859 | 1860 | ||||
| ELTHAM | EARL | UK | 7 | 16 | 1917 | CAMBRIDGE | 1981 | |
| ELTISLEY OF CROXTON | BARON | UK | 1934 | NEWTON | 1942 | |||
| ELY | EARL | I | 1766 | LOFTUS | ||||
| ELY O’CARROLL | BARON | I | 1552 | CARROLL | ||||
| EMLY OF TREVOE | BARON | UK | 1 | 12 | 1874 | MONSELL | 1932 | |
| EMMOTT | BARON | UK | 11 | 2 | 1911 | EMMOTT | 1926 | |
| ENGAINE | BARON | E | 1299 | ENGAINE | ||||
| ENNISDALE OF GRATELEY | BARON | UK | 7 | 6 | 1939 | LYONS | 1963 | |
| ENNISHOWEN AND CARRICKFERGUS | BARON | UK | 1841 | CHICHESTER | 1883 | |||
| ENZIE | EARL | S | 1684 | GORDON | ||||
| ERNLE | BARON | UK | 2 | 4 | 1919 | PROTHERO | 1937 | |
| ESKDALE | LORD | S | 1620 | MAXWELL | ||||
| ESLINGTON | BARON | UK | 1874 | LIDDELL | 1904 | |||
| ESMONDE | BARON | I | 1622 | ESMONDE | ||||
| ESSENDON | BARON | UK | 6 | 20 | 1932 | LEWIS | 1978 | |
| ESSEX | EARL | E | 1199 | FITZ-PIERS | ||||
| ESSEX | EARL | E | 1227 | BOHUN | ||||
| ESSEX | EARL | E | 1461 | BOURCHIER | ||||
| ESSEX | EARL | E | 1539 | CROMWELL | ||||
| Peerage Index | ESSEX | EARL | E | 1543 | PARR | |||
| A thru C | ESSEX | EARL | E | 1572 | DEVEREUX | |||
| D thru K | ESSEX | EARL | E | 1140 | MANDEVILLE | EXTINCT IN 1190 BUT TITLE USED UNTIL 1264 | ||
| L thru R | ESTCOURT OF ESTCOURT | BARON | UK | 1903 | SOTHERON-ESTCOURT | 1915 | ||
| S thru Z | EURE | BARON | E | 1544 | EURE | |||
| EVANS OF MERTHYR | BARON | UK | 7 | 1 | 1957 | EVANS | 1963 | |
| EVERINGHAM | BARON | E | 1309 | EVERINGHAM | ||||
| EVERSHED OF STAPENHILL | BARON | UK | 1 | 20 | 1956 | EVERSHED | 1966 | |
| EVERSLEY | BARON | UK | 7 | 16 | 1906 | SHAW-LEFEVRE | 1928 | |
| EVERSLEY OF HECKFIELD | VISCOUNT | UK | 1857 | SHAW-LEFEVRE | 1888 | |||
| EXETER | DUKE | E | 9 | 29 | 1397 | HOLLAND | EXTINCT - ATTAINTED 1400 | |
| EXETER | DUKE | E | 1416 | BEAUFORT | 1417 | |||
| EXETER | DUKE | E | 1 | 6 | 1443 | HOLLAND | EXTINCT - ATTAINTED 1461 | |
| EXETER | MARQUESS | E | 1525 | COURTENAY | ||||
| EYRE | BARON | I | 1768 | EYRE | ||||
| FABER OF BUTTERWICK | BARON | UK | 1905 | FABER | 1920 | |||
| FAIRFAX | VISCOUNT | I | 1628 | FAIRFAX | ||||
| FAIRFIELD | BARON | UK | 2 | 1 | 1939 | GREER | 1945 | |
| FAIRHAVEN OF LODER | BARON | UK | 3 | 20 | 1929 | BROUGHTON | 1966 | |
| FALCONER OF HALKERTON | BARON | S | 1647 | KEITH-FALCONER | DORMANT 1966 | |||
| FALMOUTH | EARL | E | 1664 | BERKELEY | ||||
| FALMOUTH | VISCOUNT | E | 1674 | FITZ-ROY | ||||
| FALMOUTH | EARL | UK | 1821 | BOSCAWEN | ||||
| FALVESLEY | BARON | E | 1383 | FALVESLEY | ||||
| FANE | VISCOUNT | I | 1718 | FANE | ||||
| FANHOPE | BARON | E | 1433 | CORNWALL | ||||
| FANSHAWE | VISCOUNT | I | 1661 | FANSHAWE | ||||
| FAREHAM | COUNTESS | E | 1673 | QUEROUAILLE | ||||
| FARNBOROUGH | BARON | UK | 1826 | LONG | ||||
| FARNBOROUGH | BARON | UK | 1886 | MAY | 1886 | |||
| FARNHAM | VISCOUNT | I | 1760 | MAXWELL | ||||
| FARNHAM | EARL | I | 1763 | MAXWELL | ||||
| FARNHAM | VISCOUNT | I | 1781 | MAXWELL | 1823 | |||
| FARNHAM | EARL | I | 1785 | MAXWELL | 1823 | |||
| FARQUHAR | VISCOUNT | UK | 1917 | TOWNSEND-FARQUHAR | 1923 | |||
| FARQUHAR | EARL | UK | 1922 | TOWNSEND-FARQUHAR | 1923 | |||
| Peerage Index | FARQUHAR OF ST. MARYLEBONE | BARON | UK | 1898 | TOWNSEND-FARQUHAR | 1923 | ||
| A thru C | FARRER OF ABINGER | BARON | UK | 6 | 22 | 1893 | FARRER | 1964 |
| D thru K | FAUCONBERG | BARON | E | 1283 | ABEYANT 1948 | |||
| L thru R | FAUCONBERG | BARON | E | 1295 | FAUCONBERGE OR FAUCOMBERGE, LANE-FOX, ANDERSON-PELHAM | ABEYANT 1948 | ||
| S thru Z | FAUCONBERG | BARON | E | 1429 | NEVILL | |||
| FAUCONBERG | VISCOUNT | E | 1643 | BELASYSE | ||||
| FAUCONBERG | EARL | E | 1689 | BELASYSE | ||||
| FAUCONBERG OF YARM | BARON | E | 1627 | BELASYSE | ||||
| FELTON | BARON | E | 1313 | FELTON | ||||
| FERMANAGH | VISCOUNT | I | 1703 | VERNEY | ||||
| FERMANAGH | BARONESS | I | 1792 | VERNEY | ||||
| FERMOY | VISCOUNT | I | 1490 | ROCHE | ||||
| FERRARD | BARON | I | 1715 | RICHBORNE | ||||
| FERRERS OF CHARTLEY | BARON | E | 2 | 6 | 1299 | FERRERS, DEVEREUX, SHIRLEY, COMPTON, TOWNSHEND | ABEYANT 1855 | |
| FERRERS OF GROBY | BARON | E | 1297 | FERRERS | ||||
| FERRERS OF WEMME | BARON | E | 1375 | FERRERS | ||||
| FETTERCAIRN | LORD | S | 1660 | MIDDLETON | ||||
| FEVERSHAM | EARL | E | 4 | 8 | 1676 | SONDES, DURAS | 1709 | |
| FEVERSHAM | COUNTESS | GB | 1719 | SCHULENBERG | ||||
| FEVERSHAM | BARON | GB | 1747 | DUNCOMBE | ||||
| FEVERSHAM | EARL | UK | 7 | 25 | 1868 | DUNCOMBE | 1963 | |
| FIELD OF BAKEHAM | BARON | UK | 1890 | FIELD | 1907 | |||
| FIFE | MARQUESS | S | 5 | 12 | 1567 | HEPBURN | EXTINCT - ATTAINTED 12-29-1567 | |
| FIFE | EARL | I | 4 | 26 | 1759 | DUFF | 1912 | |
| FIFE | BARON | GB | 7 | 5 | 1790 | DUFF | 1809 | |
| FIFE | EARL | UK | 7 | 13 | 1885 | DUFF | 1912 | |
| FIFE | DUKE | UK | 7 | 29 | 1889 | DUFF | 1912 | |
| FIFE | BARON | GB | 4 | 28 | 1827 | DUFF | 1857 | |
| FINCH | BARON | E | 1640 | FINCH | ||||
| FINDLATER | EARL | S | 1638 | OGILVY | ||||
| FINGALL | EARL | I | 9 | 26 | 1628 | PLUNKETT | 1984 | |
| FINGALL | BARON | UK | 6 | 20 | 1831 | PLUNKETT | 1984 | |
| FINLAY | BARON | UK | 12 | 19 | 1916 | FINLAY | 1945 | |
| FINLAY | VISCOUNT | UK | 3 | 27 | 1919 | FINLAY | 1945 | |
| FITTON | BARON | I | 1689 | FITTON | ||||
| FITZ-ALAN | BARON | E | 1295 | FITZ-ALAN | ||||
| FITZ-HERBERT | BARON | E | 1294 | FITZ-HERBERT | ||||
| Peerage Index | FITZ-HUGH | BARON | E | 1321 | FITZ-HUGH | |||
| A thru C | FITZ-JOHN | BARON | E | 1264 | FITZ-JOHN | |||
| D thru K | FITZ-PAYNE | BARON | E | 1299 | FITZ-PAYNE | |||
| L thru R | FITZ-WALTER | BARON | E | 1295 | FITZ-WALTER | |||
| S thru Z | FITZ-WALTER | BARON | E | 1485 | RATCLIFFE | |||
| FITZ-WALTER | VISCOUNT | E | 1525 | RATCLIFFE | ||||
| FITZ-WALTER | BARON | E | 1669 | MILDMAY | ||||
| FITZ-WALTER | EARL | GB | 1730 | MILDMAY | ||||
| FITZ-WARINE | BARON | E | 1292 | BOURCHIER | ||||
| FITZ-WARINE | BARON | E | 1295 | FITZ-WARINE | ||||
| FITZ-WARINE | BARON | E | 1342 | FITZ-WARINE | ||||
| FITZALAN OF DERWENT | VISCOUNT | UK | 4 | 28 | 1921 | FITZALAN-HOWARD | 1962 | |
| FITZGERALD AND VESEY | BARON | I | 6 | 27 | 1826 | FITZGERALD | 1860 | |
| FITZGIBBON OF LOWER CONNELLO | BARON | I | 6 | 16 | 1789 | FITZGIBBON | 1864 | |
| FITZGIBBON OF SIDBURY | BARON | GB | 9 | 24 | 1799 | FITZGIBBON | 1864 | |
| FITZHARDING | VISCOUNT | I | 1664 | BERKELEY | ||||
| FITZHARDINGE | EARL | UK | 1841 | BERKELEY | 1857 | |||
| FITZHARDINGE | BARON | UK | 1861 | BERKELEY | 1916 | |||
| FITZMAURICE | BARON | UK | 1 | 9 | 1906 | PETTY-FITZMAURICE | 1935 | |
| FITZWALTER OF WOODHAM WALTER | BARON | UK | 1868 | BRIDGES | 1875 | |||
| FITZWILLIAM | BARON | E | 1327 | FITZWILLIAM | ||||
| FITZWILLIAM | BARON | I | 12 | 1 | 1620 | WENTWORTH-FITZWILLIAM | 1979 | |
| FITZWILLIAM | VISCOUNT | I | 8 | 5 | 1629 | FITZWILLIAM | 1883 | |
| FITZWILLIAM | BARON | I | 1629 | FITZWILLIAM | ||||
| FITZWILLIAM | EARL | I | 7 | 21 | 1716 | WENTWORTH-FITZWILLIAM | 1979 | |
| FITZWILLIAM | EARL | GB | 9 | 6 | 1746 | WENTWORTH-FITZWILLIAM | 1979 | |
| FITZWILLIAM OF MILTON | BARON | GB | 4 | 19 | 1742 | WENTWORTH-FITZWILLIAM | 1979 | |
| FLECK OF SALTCOATS | BARON | UK | 2 | 3 | 1961 | FLECK | 1968 | |
| FLEMING | EARL | S | 1341 | FLEMING | ||||
| FLEMING | LORD | S | 1460 | FLEMING | ||||
| FLEMING | LORD | S | 1606 | FLEMING | ||||
| FOLIOT | BARON | E | 1295 | FOLIOT | ||||
| FOLLIOTT | BARON | I | 1619 | FOLLIOTT | ||||
| FORBES | BARON | S | 1633 | FORBES | ||||
| FORDWICH | VISCOUNT | GB | 1718 | COWPER | 1905 | |||
| FORFAR | EARL | S | 1651 | DOUGLAS | ||||
| FORREST | BARON | UK | 1918 | 1918 | ||||
| FORSTER | BARON | UK | 12 | 12 | 1919 | FORSTER | 1936 | |
| FORSTER OF HARRABY | BARON | UK | 7 | 16 | 1959 | FORSTER | 1972 | |
| FORTESCUE | BARON | I | 1746 | FORTESCUE-ALAND | ||||
| Peerage Index | FORTH | EARL | S | 1642 | RUTHVEN | |||
| A thru C | FORTH | VISCOUNT | S | 1686 | DRUMMOND | DORMANT 1902 | ||
| D thru K | FORTROSE | BARON | I | 1766 | MACKENZIE | |||
| L thru R | FRANKFORT DE MONTMORENCY | BARON | GB | 1800 | DE MONTMORENCY, MORRES | 1917 | ||
| S thru Z | FRANKFORT DE MONTMORENCY | VISCOUNT | I | 1 | 22 | 1816 | DE MONTMORENCY, MORRES | 1917 |
| FRANKFORT OF GALWAY | BARON | I | 1800 | DE MONTMORENCY, MORRES | 1917 | |||
| FRASER | LORD | S | 1633 | FRASER | ||||
| FRASER OF ALLANDER | BARON | UK | 12 | 30 | 1964 | FRASER | 1987 | |
| FRASER OF NORTH CAPE | BARON | UK | 9 | 19 | 1946 | FRASER | 1981 | |
| FREFILLE | VISCOUNT | E | 1327 | FREVILLE | ||||
| FRENDRAUGHT | VISCOUNT | S | 1642 | CRICHTON | ||||
| FRESCHEVILLE | BARON | E | 1664 | FRESCHEVILLE | ||||
| FURNIVAL | BARON | E | 1383 | NEVILL | ||||
| FURNIVAL | BARON | E | 1409 | TALBOT | ||||
| FURNIVAL | BARON | HOWARD | ||||||
| FURNIVAL OF MALAHIDE | BARON | UK | 1839 | TALBOT | 1849 | |||
| FURNIVALL | BARON | E | 1295 | FURNIVALL, FURNIVAL, NEVILLE, TALBOT, HOWARD, PETRE | ABEYANT 1968, WRIT | |||
| FYFE OF DORNOCK | BARON | UK | 7 | 20 | 1962 | 1967 | ||
| FYVIE | LORD | S | 1598 | SETON | ||||
| GAGE | BARON | GB | 1780 | GAGE | ||||
| GAINSBOROUGH | EARL | E | 1682 | NOEL | ||||
| GALLEN RIDGEWAY | BARON | I | 1616 | RIDGEWAY | ||||
| GALMOYE | VISCOUNT | I | 1646 | BUTLER | ||||
| GALWAY | VISCOUNT | I | 1687 | BURKE | ||||
| GALWAY | EARL | I | 1692 | MASSUE | ||||
| GALWAY | VISCOUNT | I | 1692 | MASSUE | ||||
| GAMBIER | BARON | UK | 1807 | GAMBIER | ||||
| GANT | BARON | E | 1295 | GANT | ||||
| GARDNER OF UTTOXETER | BARON | I | 12 | 23 | 1800 | GARDNER | DORMANT 1883 | |
| GARNDER OF UTTOXETER | BARON | UK | 11 | 27 | 1806 | GARDNER | DORMANT 1883 | |
| GARNOCK | VISCOUNT | S | 1703 | LINDSAY-CRAWFORD | ||||
| GENEVILL | BARON | E | 1299 | GENEVILL | ||||
| GERARD | BARON | E | 1603 | GERARD | ||||
| GERARD OF BRANDON | BARON | E | 1645 | GERARD | ||||
| GHISNES | BARON | E | 1295 | GHISNES | ||||
| GIFFARD | BARON | E | 1295 | GIFFARD | ||||
| GLADSTONE | VISCOUNT | UK | 2 | 15 | 1910 | GLADSTONE | 1930 | |
| GLADSTONE OF HAWARDEN | BARON | UK | 1932 | GLADSTONE | 1935 | |||
| Peerage Index | GLANDORE | EARL | I | 1776 | CROSBIE | |||
| A thru C | GLANELY | BARON | UK | 6 | 28 | 1918 | TATEM | 1942 |
| D thru K | GLANTAWE | BARON | UK | 1906 | JENKINS | 1915 | ||
| L thru R | GLASFORD | LORD | S | 1685 | ABERCROMBY | |||
| S thru Z | GLASTONBURY | BARON | GB | 1797 | GRENVILLE | |||
| GLEAN-O’MALLAN | BARON | E | 1622 | O’MULLANE | ||||
| GLENALMOND | VISCOUNT | S | 1696 | MURRAY | ||||
| GLENBERVIE | BARON | I | 1800 | DOUGLAS | ||||
| GLENCAIRN | EARL | S | 1488 | CUNYNGHAME | ||||
| GLENELG | BARON | UK | 1835 | GRANT | 1866 | |||
| GLENESK | BARON | UK | 1895 | BORTHWICK | 1908 | |||
| GLENGALL | EARL | I | 1 | 22 | 1816 | BUTLER | 1858 | |
| GLENLYON | BARON | UK | 7 | 17 | 1821 | MURRAY | 1957 | |
| GLENRAVEL | BARON | UK | 1936 | BENN | 1937 | |||
| GLENTANAR | BARON | UK | 6 | 29 | 1916 | COATS | 1971 | |
| GLOUCESTER | EARL | E | 1229 | CLARE | ||||
| GLOUCESTER | EARL | E | 1337 | DESPENCER, AUDLEY | ||||
| GLOUCESTER | DUKE | E | 11 | 12 | 1385 | PLANTAGENET | 1399 | |
| GLOUCESTER | DUKE | E | 9 | 26 | 1414 | PLANTAGENET | 1446 | |
| GLOUCESTER | DUKE | E | 1461 | PLANTAGENET | 1485 ??? | |||
| GLOUCESTER | DUKE | E | 5 | 13 | 1659 | STUART | 1660 | |
| GLOUCESTER AND EDINBURGH | DUKE | GB | 11 | 17 | 1764 | GUELPH | 1834 | |
| GLOUCESTER AND HERTFORD | EARL | E | 1299 | MONTHERMER | ||||
| GLYN OF FARNBOROUGH | BARON | UK | 6 | 29 | 1953 | GLYN | 1960 | |
| GODBER | BARON | UK | 1 | 23 | 1956 | GODBER | 1976 | |
| GODERICH | VISCOUNT | UK | 1827 | ROBINSON | 1923 | |||
| GODOLPHIN | BARON | E | 1684 | GODOLPHIN | ||||
| GODOLPHIN | EARL | E | 1706 | GODOLPHIN | ||||
| GODOLPHIN | BARON | GB | 1735 | GODOLPHIN | ||||
| GOLDOLPHIN | BARON | UK | 5 | 14 | 1832 | OSBORNE | 1964 | |
| GOODERICH | VISCOUNT | E | 1706 | GREY | ||||
| GORDON | DUKE | E | 11 | 1 | 1684 | GORDON | 1836 | |
| GORDON | BARON | S | 1784 | GORDON | ||||
| GORE | BARON | I | 1764 | GORE | ||||
| GORGES | BARON | E | 1309 | GORGES | ||||
| GORGES | BARON | I | 1620 | GORGES | ||||
| GORING | BARON | E | 1628 | GORING | ||||
| GORT | VISCOUNT | UK | 2 | 8 | 1946 | VEREKER | 1946 | |
| GOWRAN | EARL | I | 1476 | BUTLER | ||||
| GOWRAN | BARON | I | 1715 | FITZPATRICK | ||||
| GOWRIE | EARL | S | 1581 | RUTHVEN | ||||
| GOWRIE | EARL | S | 1586 | RUTHVEN | ||||
| Peerage Index | GRAHAM | LORD | S | 1688 | GRAHAM | |||
| A thru C | GRAHAM OF ESK | EARL | S | 1681 | GRAHAM | |||
| D thru K | GRANDISON | BARON | E | 1299 | GRANDISON | |||
| L thru R | GRANDISON | EARL | I | 1721 | VILLIERS | |||
| S thru Z | GRANDISON | VISCOUNT | I | 4 | 10 | 1746 | VILLIERS | 1800 |
| GRANDISON | EARL | I | 2 | 19 | 1767 | VILLIERS | 1800 | |
| GRANEY | VISCOUNT | I | 1535 | GREY | ||||
| GRANTHAM | EARL | E | 1698 | NASSAU | ||||
| GRANTHAM OF GRANTHAM | BARON | GB | 1761 | ROBINSON | 1923 | |||
| GRANVILLE | BARON | E | 1702 | GRANVILLE | ||||
| GRANVILLE | EARL | GB | 1714 | CARTERET | ||||
| GREENE OF HOLMBURY | BARON | UK | 7 | 16 | 1941 | GREENE | 1952 | |
| GREENWICH | EARL | E | 1705 | CAMPBELL | ||||
| GREENWICH | DUKE | GB | 4 | 30 | 1718 | CAMPBELL | 1743 | |
| GREENWICH | BARONESS | GB | 1767 | TOWNSHEND | ||||
| GRENDON | BARON | E | 1299 | GRENDON | ||||
| GRENVILLE | BARON | GB | 1790 | GRENVILLE | ||||
| GRESLEY | BARON | E | 1308 | GRESLEY | ||||
| GREVILLE | BARON | UK | 12 | 15 | 1869 | GREVILLE | 1987 | |
| GREY DE RADCLIFFE | BARON | UK | 1875 | EGERTON | 1885 | |||
| GREY DE RUTHYN | BARON | E | 12 | 30 | 1324 | BUTLER-BOWDON, GREY, LONGUEVILLE, YELVERTON, GOULD, RAWDON, AND CLIFTON | ABEYANT 1963, WRIT | |
| GREY DE WILTON | BARON | GB | 1784 | EGERTON | ||||
| GREY OF CODNOR | BARON | E | 1299 | GREY | ||||
| GREY OF FALLODON | VISCOUNT | UK | 7 | 27 | 1916 | GREY | 1933 | |
| GREY OF GROBY | BARON | E | 1300 | GREY | ||||
| GREY OF GROBY | BARON | E | 7 | 21 | 1603 | GREY | 1976 | |
| GREY OF POWYS | BARON | E | 1482 | GREY | ||||
| GREY OF ROLLESTON | BARON | E | 1673 | NORTH | ||||
| GREY OF ROTHERFIELD | BARON | E | 1297 | GREY | ||||
| GREY OF WERKE | BARON | E | 1624 | GREY | ||||
| GREY OF WILTON | BARON | E | 1295 | GREY | ||||
| GREYSTOCK | BARON | E | 1295 | GREYSTOCK | ||||
| GRIFFIN | BARON | E | 1688 | GRIFFIN | ||||
| GUILDFORD | COUNTESS | E | 1660 | BOYLE | ||||
| GUILDFORD | EARL | E | 1674 | MAITLAND | ||||
| GUILLAMORE OF CAHIR-GUILLAMORE | VISCOUNT | I | 1 | 28 | 1831 | O'GRADY | 1955 | |
| GWYDRY OF GWYDRY | BARON | GB | 1796 | BURRELL | 1915 | |||
| HACCHE | BARON | E | 1299 | HACCHE | ||||
| HADDINGTON | VISCOUNT | S | 1606 | RAMSAY | ||||
| Peerage Index | HAILES | BARON | UK | 2 | 15 | 1957 | BUCHAN-HEPBURN | 1974 |
| A thru C | HAILEY OF SHAHPUR | BARON | UK | 1936 | HAILEY | 1969 | ||
| D thru K | HALDANE OF CLOAN | VISCOUNT | UK | 3 | 27 | 1911 | HALDANE | 1928 |
| L thru R | HALDON OF HALDON | BARON | UK | 4 | 29 | 1880 | PALK | 1939 |
| S thru Z | HALES | LORD | S | 1456 | HEPBURN | |||
| HALIBURTON OF WINDSOR | BARON | UK | 1898 | HALIBURTON | 1907 | |||
| HALIFAX | VISCOUNT | E | 1668 | SAVILE | ||||
| HALIFAX | EARL | E | 1679 | SAVILE | ||||
| HALIFAX | MARQUESS | E | 1682 | SAVILE | ||||
| HALIFAX | BARON | E | 1700 | MONTAGU | ||||
| HALIFAX | EARL | GB | 1715 | MONTAGU | ||||
| HALL | VISCOUNT | UK | 10 | 28 | 1946 | 1985 | ||
| HALYBURTON | LORD | S | 1441 | HALYBURTON | ||||
| HAMILTON | LORD | S | 1581 | STEWART | ||||
| HAMILTON | DUKE | S | 1660 | DOUGLAS | ||||
| HAMILTON OF GLENAWLEY | BARON | I | 1660 | HAMILTON | ||||
| HAMILTON OF WISHAW | BARON | UK | 1831 | HAMILTON | 1868 | |||
| HAMMOND OF KIRK ELLA | BARON | UK | 1874 | HAMMOND | 1890 | |||
| HAMPDEN | BARON | GB | 1776 | TREVOR-HAMPDEN | ||||
| HANDLO | BARON | E | 1342 | HANDLO | ||||
| HANMER OF HANMER AND FLINT | BARON | UK | 1872 | HANMER | 1881 | |||
| HANWORTH | BARON | E | 1631 | COTTINGTON | ||||
| HARBOROUGH | BARON | GB | 1714 | SHERARD | ||||
| HARBOROUGH | EARL | GB | 1719 | SHERARD | 1859 | |||
| HARCLA | BARON | E | 1321 | HARCLA | ||||
| HARCOURT | BARON | GB | 1711 | HARCOURT | ||||
| HARCOURT | VISCOUNT | GB | 1721 | HARCOURT | ||||
| HARCOURT | EARL | GB | 1749 | HARCOURT | ||||
| HARCOURT | VISCOUNT | UK | 1 | 3 | 1917 | HARCOURT | 1979 | |
| HAREWOOD | BARON | GB | 1790 | LASCELLES | ||||
| HARINGTON | BARON | E | 1324 | HARINGTON | ||||
| HARINGTON OF EXTON | BARON | E | 1603 | HARINGTON | ||||
| HAROLD | EARL | E | 1706 | GREY | ||||
| HARTFELL | EARL | S | 1643 | JOHNSTONE | ||||
| HARTFELL | EARL | S | 1661 | JOHNSTONE | ||||
| HARTLAND | BARON | I | 1800 | MAHON | ||||
| HARTSIDE | LORD | S | 1651 | DOUGLAS | ||||
| HARTSIDE | LORD | S | 1661 | DOUGLAS | ||||
| HASTANG | BARON | E | 1311 | HASTANG | ||||
| HASTINGS | BARON | E | 1299 | HASTINGS | ||||
| Peerage Index | HASTINGS | MARQUESS | UK | 1816 | RAWDON-HASTINGS | 1868 | ||
| A thru C | HASTINGS DE HASTINGS | BARON | E | 7 | 26 | 1461 | ABEYANT 1960 | |
| D thru K | HASTINGS OF GRESSING HALL | BARON | E | 1342 | HASTINGS | |||
| L thru R | HASTINGS OF LOUGHBOROUGH | BARON | E | 1558 | HASTINGS | |||
| S thru Z | HASTINGS OF LOUGHBOROUGH | BARON | E | 1643 | HASTINGS | |||
| HATHERLEY OF DOWN HATHERLEY | BARON | UK | 1868 | WOOD | 1881 | |||
| HATTON | BARON | E | 1643 | HATTON | ||||
| HATTON | VISCOUNT | E | 1682 | HATTON | ||||
| HAUSTED | BARON | E | 1332 | HAUSTED | ||||
| HAVERSHAM | BARON | E | 1696 | THOMPSON | ||||
| HAVERSHAM | BARON | UK | 1906 | 1917 | ||||
| HAWLEY | BARON | I | 1646 | HAWLEY | ||||
| HAY OF SAWLEY | BARON | E | 1615 | HAY | ||||
| HEATHFIELD | BARON | GB | 1787 | ELLIOT | ||||
| HELMSLEY OF HELMSLEY | VISCOUNT | UK | 7 | 25 | 1868 | DUNCOMBE | 1963 | |
| HENDERSON | BARON | UK | 10 | 19 | 1945 | HENDERSON | 1984 | |
| HENDERSON OF ARDWICK | BARON | UK | 2 | 3 | 1950 | HENDERSON | 1950 | |
| HENEAGE OF HAINTON | BARON | UK | 6 | 8 | 1896 | HENEAGE | 1967 | |
| HENLEY | BARON | GB | 1760 | HENLEY | ||||
| HERBERT | BARON | I | 1624 | HERBERT | ||||
| HERBERT OF CHEPSTOW | BARON | E | 1461 | HERBERT | ||||
| HERBERT OF CHIRBURY | BARON | E | 1629 | HERBERT | ||||
| HERBERT OF CHIRBURY | BARON | E | 1694 | HERBERT | ||||
| HERBERT OF CHIRBURY | BARON | GB | 1743 | HERBERT | ||||
| HERBERT OF CHIRBURY AND LUDLOW | BARON | GB | 1749 | HERBERT | ||||
| HERBERT OF HERBERT | BARON | E | 1461 | HERBERT | ||||
| HEREFORD | EARL | E | 1199 | BOHUN | ||||
| HERMITAGE | VISCOUNT | S | 1706 | SCOTT | ||||
| HERON | BARON | E | 1371 | HERON | ||||
| HERON | BARON | E | 1393 | HERON | ||||
| HERRIES | BARON | UK | 1884 | CONSTABLE-MAXWELL | 1908 | |||
| HERTFORD | EARL | E | 1313 | CLARE | ||||
| HERTFORD | EARL | E | 1537 | SEYMOUR | ||||
| HERTFORD | MARQUESS | E | 1640 | SEYMOUR | ||||
| HERVEY | BARON | E | 1628 | HERVEY | ||||
| HERVEY OF ROSS | BARON | I | 1620 | HERVEY | ||||
| HEWART | BARON | UK | 3 | 24 | 1922 | HEWART | 1964 | |
| HEWART | VISCOUNT | UK | 11 | 1 | 1940 | HEWART | 1964 | |
| HEWETT | VISCOUNT | I | 1689 | HEWETT | ||||
| Peerage Index | HEYDON | BARON | GB | 1742 | PULTENEY | |||
| A thru C | HEYWORTH | BARON | UK | 7 | 25 | 1955 | HEYWORTH | 1974 |
| D thru K | HILL | BARON | UK | 1814 | HILL | |||
| L thru R | HILLHOUSE | LORD | S | 1697 | HAMILTON | |||
| S thru Z | HILLINGDON | BARON | UK | 2 | 15 | 1886 | MILLS | 1982 |
| HILTON | BARON | E | 1295 | HILTON | ||||
| HILTON | BARON | E | 1332 | HILTON | ||||
| HINTON | VISCOUNT | E | 12 | 24 | 1706 | POULETT | 1973 | |
| HOBHOUSE | BARON | UK | 1885 | HOBHOUSE | 1904 | |||
| HOESE | BARON | E | 1295 | HOESE | ||||
| HOESE | BARON | E | 1348 | HOESE | ||||
| HOLDEN | BARON | UK | 7 | 4 | 1908 | HOLDEN | 1951 | |
| HOLDERNESS | EARL | E | 1621 | RAMSAY | ||||
| HOLDERNESS | EARL | E | 1682 | D’ARCY | ||||
| HOLLAND | BARON | E | 1314 | HOLAND | ||||
| HOLLAND | BARON | E | 1353 | HOLLAND | ||||
| HOLLAND | EARL | E | 1624 | RICH | ||||
| HOLLAND | BARON | GB | 1762 | FOX | 1859 | |||
| HOLLES OF IFIELD | BARON | E | 1661 | HOLLES | ||||
| HOLMES | BARON | I | 1760 | HOLMES | ||||
| HOLMES | BARON | I | 1797 | HOLMES | ||||
| HOLYROODHOUSE | LORD | S | 1607 | BOTHWELL | ||||
| HOME | LORD | S | 1473 | HOME | ||||
| HOO | BARON | E | 1447 | HOO | ||||
| HOOD OF AVALON | BARON | UK | 1892 | HOOD | 1901 | |||
| HOPTON | BARON | E | 1643 | HOPTON | ||||
| HORE-BELISHA | BARON | UK | 1 | 14 | 1954 | HORE-BELISHA | 1957 | |
| HORNE | BARON | UK | 10 | 8 | 1919 | HORNE | 1929 | |
| HORNE OF SLAMANNAN | VISCOUNT | UK | 1937 | HORNE | 1940 | |||
| HOUGHTON | BARON | E | 1616 | HOLLES | ||||
| HOUGHTON | BARON | GB | 1742 | WALPOLE | ||||
| HOUGHTON | BARON | UK | 8 | 20 | 1863 | CREWE-MILNES, OFFLEY | 1945 | |
| HOWARD | BARON | E | 1470 | HOWARD | ||||
| HOWARD OF BINDON | VISCOUNT | E | 1559 | HOWARD | ||||
| HOWARD OF CASTLE RISING | BARON | E | 1669 | HOWARD | ||||
| HOWARD OF ESCRICK | BARON | E | 1628 | HOWARD | ||||
| HOWDEN | BARON | I | 1819 | CRADOCK | 1873 | |||
| HOWDEN OF HOWDEN | BARON | UK | 1831 | CRADOCK | 1873 | |||
| HOWE | VISCOUNT | GB | 1782 | HOWE | ||||
| HOWE | EARL | GB | 1788 | HOWE | ||||
| HOWTH | EARL | I | 1767 | ST. LAWRENCE | 1909 | |||
| Peerage Index | HOWTH | BARON | I | 1430 | ST. LAWRENCE | 1909 | ||
| A thru C | HOWTH OF HOWTH | BARON | UK | 1881 | ST. LAWRENCE | 1909 | ||
| D thru K | HUDSON | VISCOUNT | UK | 1 | 5 | 1952 | HUDSON | 1963 |
| L thru R | HUME | BARON | E | 1604 | HUME | |||
| S thru Z | HUME | BARON | GB | 1776 | HUME-CAMPBELL | |||
| HUNGARTON OF HUNGARTON | BARON | UK | 2 | 7 | 1951 | CRAWFORD | 1966 | |
| HUNGERFORD | BARON | E | 1426 | HUNGERFORD | ||||
| HUNGERFORD OF HEYTESBURY | BARON | E | 1536 | HUNGERFORD | ||||
| HUNSDON | BARON | E | 1559 | CAREY | ||||
| HUNSDON OF SCUTTERSKELFE | BARON | UK | 1832 | FALKLAND | 1884 | |||
| HUNTERCOMBE | BARON | E | 1295 | HUNTERCOMBE | ||||
| HUNTINGDON | EARL | E | 1068 | ST. LIZ | ||||
| HUNTINGDON | EARL | E | 1337 | CLINTON | ||||
| HUNTINGDON | EARL | E | 1387 | HOLLAND | ||||
| HUNTINGDON | EARL | E | 1417 | HOLLAND | ||||
| HUNTINGDON | EARL | E | 1472 | HERBERT | ||||
| HUNTINGFEILD | BARON | E | 1294 | HUNTINGFEILD | ||||
| HUNTINGFEILD | BARON | E | 1362 | HUNTINGFEILD | ||||
| HURCOMB | BARON | UK | 7 | 5 | 1950 | 1975 | ||
| HUSSEY | BARON | E | 1534 | HUSSEY | ||||
| HUTCHINSON | BARON | UK | 1801 | HUTCHINSON | ||||
| HUTCHISON OF MONTROSE | BARON | UK | 6 | 30 | 1932 | HUTCHISON | 1950 | |
| HYDE OF HINDON | BARON | E | 1660 | HYDE | ||||
| HYDE OF KENILWORTH | VISCOUNT | E | 1681 | HYDE | ||||
| HYDE OF WOTTON BASSET | BARON | E | 1681 | HYDE | ||||
| HYNDFORD | EARL | S | 1701 | CARMICHAEL | ||||
| HYNDLEY OF MEADS | BARON | UK | 1 | 21 | 1931 | HINDLEY | 1963 | |
| HYNDLEY OF MEADS | VISCOUNT | UK | 2 | 2 | 1948 | HINDLEY | 1963 | |
| HYTHE OF HYTHE | VISCOUNT | UK | 1911 | BRASSEY | 1919 | |||
| IBRACKAN | BARON | I | 1543 | WYNDHAM-O’BRIEN | ||||
| ILAY | EARL | S | CAMPBELL | |||||
| ILKESTON OF ILKESTON | BARON | UK | 7 | 14 | 1910 | FOSTER | 1952 | |
| ILLINGWORTH | BARON | UK | 6 | 4 | 1921 | ILLINGWORTH | 1942 | |
| INCHIQUIN | EARL | E | 1654 | O’BRIEN | ||||
| INGHAM | BARON | E | 1328 | INGHAM | ||||
| INGLISBERY AND NEMPHLAR | VISCOUNT | S | 1701 | CARMICHAEL | ||||
| INGRAM | LORD | S | 1661 | INGRAM | ||||
| INMAN | BARON | UK | 1 | 30 | 1946 | INMAN | 1979 | |
| INNERKEITHING | BARON | S | 1661 | SCRIMGEOUR | ||||
| INVERCHAPEL OF LOCH ECK | BARON | UK | 4 | 5 | 1946 | KERR | 1951 | |
| INVERCLYDE OF CASTLE WEMYSS | BARON | UK | 7 | 28 | 1897 | BURNS | 1957 | |
| Peerage Index | INVERNAIRN | BARON | UK | 1 | 15 | 1921 | BEARDMORE | 1936 |
| A thru C | INVERNESS | VISCOUNT | S | 1684 | GORDON | |||
| D thru K | INVERNESS | EARL | UK | 1801 | 1834 | |||
| L thru R | INVERNESS | DUCHESS | UK | 4 | 10 | 1840 | UNDERWOOD | 1873 |
| S thru Z | IRELAND | DUKE | E | 8 | 8 | 1386 | VERE | 1392 |
| IRNHAM | BARON | I | 1768 | LUTTRELL | ||||
| IRVINE | EARL | S | 1642 | CAMPBELL | ||||
| IRVINE | VISCOUNT | S | 1661 | INGRAM | ||||
| ISLES, LORD OF THE | LORD | S | 1476 | MACDONALD | ||||
| ISLINGTON | BARON | UK | 4 | 27 | 1910 | DICKSON-POYNDER | 1936 | |
| ISMAY | BARON | UK | 1 | 14 | 1947 | ISMAY | 1965 | |
| JACKSON OF GLEWSTONE | BARON | UK | 7 | 6 | 1945 | JACKSON | 1954 | |
| JAMES OF HEREFORD | BARON | UK | 1895 | JAMES | 1911 | |||
| JEDBURGH FOREST | VISCOUNT | S | 1703 | DOUGLAS | ||||
| JEFFREYS | BARON | E | 1685 | JEFFREYS | ||||
| JENKINS | BARON | UK | 4 | 6 | 1959 | JENKINS | 1969 | |
| JERMYN | BARON | E | 1643 | JERMYN | ||||
| JERMYN OF DOVER | BARON | E | 1685 | JERMYN | ||||
| JERVIS | BARON | GB | 1797 | JERVIS | ||||
| JOHNSTONE | LORD | S | 1633 | JOHNSTONE | ||||
| JOHNSTONE | LORD | S | 1661 | JOHNSTONE | ||||
| JONES OF NAVAN | BARON | I | 1628 | JONES | 1885 | |||
| JOWITT | BARON | UK | 8 | 2 | 1945 | JOWITT | 1957 | |
| JOWITT | VISCOUNT | UK | 1 | 20 | 1947 | JOWITT | 1957 | |
| JOWITT | EARL | UK | 12 | 24 | 1951 | JOWITT | 1957 | |
| KEANE OF GHUZNEE | BARON | UK | 1839 | KEANE | 1901 | |||
| KEITH | LORD | S | 1587 | KEITH | ||||
| KEITH | VISCOUNT | UK | 1814 | ELPHINSTONE, KEITH | 1823 | |||
| KEITH OF AVONHOLM | BARON | UK | 11 | 4 | 1953 | KEITH | 1969 | |
| KEITH OF BANHEATH | BARON | UK | 1803 | ELPHINSTONE | 1867 | |||
| KEITH OF STONEHAVEN MARISCHAL | BARON | I | 1797 | ELPHINSTONE | 1867 | |||
| KEITH OF STONEHAVEN MARISCHAL | BARON | GB | 1801 | ELPHINSTONE, KEITH | 1823 | |||
| KELHEAD OF KELHEAD | BARON | UK | 1893 | DOUGLAS | 1894 | |||
| KELVIN OF LARGS | BARON | UK | 1892 | THOMSON | 1907 | |||
| KENDAL | EARL | E | 1446 | DE FOIX | ||||
| KENDAL | BARON | E | 1644 | RUPERT | ||||
| KENDAL | DUKE | E | 1666 | STUART | 1667 | |||
| KENDAL | DUCHESS | GB | 3 | 19 | 1719 | SCHUENBERG | 1743 | |
| KENDALL | EARL | E | 1414 | PLANTAGENET | ||||
| KENMARE | VISCOUNT | I | 2 | 12 | 1798 | BROWNE | 1952 | |
| KENMARE | EARL | I | 1 | 3 | 1801 | BROWNE | 1952 | |
| Peerage Index | KENMARE OF KILLARNEY | BARON | UK | 3 | 12 | 1856 | BROWNE | 1952 |
| A thru C | KENMURE | VISCOUNT | E | 1633 | GORDON | |||
| D thru K | KENRY | BARON | UK | 6 | 12 | 1866 | WYNDHAM-QUIN | 1926 |
| L thru R | KENSINGTON | BARON | E | 1622 | RICH | |||
| S thru Z | KENSINGTON | BARON | I | 1776 | RICH | |||
| KENT | EARL | E | 1067 | ODO | ||||
| KENT | EARL | E | 1141 | IPRE | ||||
| KENT | EARL | E | 1226 | BURGH | ||||
| KENT | EARL | E | 1321 | PLANTAGENET | ||||
| KENT | EARL | E | 1462 | NEVILL | ||||
| KENT | EARL | E | 1465 | GREY | ||||
| KENT | MARQUESS | E | 1706 | GREY | ||||
| KENT | DUKE | GB | 4 | 28 | 1710 | GREY | 1741 | |
| KENT | DUKE | UK | 1866 | GUELPH | 1900 | |||
| KENT | EARL | UK | 1866 | GUELPH | 1900 | |||
| KENT | EARL | HOLLAND | ||||||
| KENT AND STRATHERN | DUKE | GB | 4 | 23 | 1799 | GUELPH | 1820 | |
| KEPPEL | VISCOUNT | GB | 1782 | KEPPEL | ||||
| KER | EARL | GB | 1722 | KER | ||||
| KERDESTON | E | 1332 | KERDESTON | |||||
| KEREN OF ERITREA | VISCOUNT | UK | 5 | 1 | 1947 | WAVELL | 1953 | |
| KESTEVEN OF CASEWICK | BARON | UK | 1868 | TROLLOPE | 1915 | |||
| KEYNES | BARON | UK | 7 | 6 | 1942 | KEYNES | 1946 | |
| KILCULLEN | BARON | I | 1541 | EUSTACE | ||||
| KILKENNY | EARL | GB | 1793 | BUTLER | ||||
| KILLEEN | BARON | I | 1449 | PLUNKETT | 1984 | |||
| KILLULTAGH | VISCOUNT | I | 1626 | CONWAY | ||||
| KILMAINE | BARON | I | 1721 | O’HARA | ||||
| KILMARNOCK | EARL | S | 1661 | BOYD | ||||
| KILMAURS | LORD | S | 1450 | CUNYNGHAME | ||||
| KILMAURS | LORD | S | 1488 | CUNYNGHAME | ||||
| KILMAYDAN | BARON | I | 1703 | ST. LEGER | ||||
| KILMUIR | VISCOUNT | UK | 10 | 19 | 1954 | FYFE | 1967 | |
| KILMUIR | EARL | UK | 7 | 20 | 1962 | FYFE | 1967 | |
| KILSYTH | VISCOUNT | S | 1661 | LIVINGSTON | ||||
| KILWARDEN | BARON | I | 1798 | WOLFE | ||||
| KILWARDEN | VISCOUNT | I | 1800 | WOLFE | ||||
| KILWINNING | LORD | S | 1614 | BALFOUR | ||||
| KILWORTH OF MOORE PARK | BARON | I | 1764 | MOORE | 1915 | |||
| KINCLEVIN | LORD | S | 1607 | STEWART | ||||
| KINGSALE | VISCOUNT | I | 1624 | STARSFIELD | ||||
| KINGSDOWN | BARON | UK | 1858 | PEMBERTON-LEIGH | 1867 | |||
| Peerage Index | KINGSLAND | VISCOUNT | E | 1646 | BARNEWALL | |||
| A thru C | KINGSTON | VISCOUNT | S | 1650 | SETON | |||
| D thru K | KINGSTON | BARON | I | 1660 | KING | |||
| L thru R | KINGSTON OF MITCHELSTOWN | BARON | UK | 1821 | KING | 1869 | ||
| S thru Z | KINGSTON-UPON-HULL | EARL | E | 1628 | PIERREPONT | |||
| KINGSTON-UPON-HULL | DUKE | GB | 8 | 10 | 1715 | PIERREPONT | 1773 | |
| KINGSTON-UPON-THAMES | BARON | E | 1621 | RAMSAY | ||||
| KINNAIRD | VISCOUNT | S | 1660 | LIVINGSTON | ||||
| KINNEAR OF SPURNESS | BARON | UK | 1897 | KINNEAR | 1917 | |||
| KINTORE | BARON | UK | 7 | 5 | 1838 | KEITH-FALCONER | 1966 | |
| KINTYRE | LORD | S | 1626 | CAMPBELL | ||||
| KIRCUDBRIGHT | BARON | S | 1633 | MAC LELLAN | ||||
| KIRKETON | BARON | E | 1342 | KIRKETON | ||||
| KIRKETON | BARON | E | 1362 | KIRKETON | ||||
| KIRKLEY | BARON | UK | 1930 | NOBLE | 1935 | |||
| KITCHENER OF KHARTOUM | BARON | UK | 1898 | KITCHENER | 1916 | |||
| KNARESBOROUGH | BARON | UK | 12 | 26 | 1905 | MEYSEY-THOMPSON | 1929 | |
| KNIGHTLEY OF FAWSLEY | BARON | UK | 1892 | KNIGHTLEY | 1895 | |||
| KNOLLYS | BARON | E | 1603 | KNOLLYS | ||||
| KNOVILL | BARON | E | 1295 | KNOVILL | ||||
| KNYVETT | E | 1607 | KNYVETT | |||||
| KYLSANT | BARON | UK | 1923 | PHILIPPS | 1937 | |||
| KYME | BARON | E | 1295 | KYME |