Dukes

==Peerage of England==
*Duke of Cornwall, 9 February 1337 – (extant)
*Duke of Lancaster, 6 March 1351 – 13 March 1361 (extinct)
*Duke of Clarence, 13 November 1362 – 17 October 1368 (extinct)
*Duke of Lancaster, 13 November 1362 – 30 September 1399 (merged in crown)
*Duke of Cornwall, 20 November 1376 – 22 June 1377 (merged in crown)
*Duke of York, 6 August 1385 – 4 March 1461 (merged in crown)
*Duke of Gloucester, 6 August 1385 – 8 September 1397 (forfeit)
*Duke of Ireland, 13 October 1386 – 3 February 1388 (forfeit)
*Duke of Hereford, 29 September 1397 – 30 September 1399 (merged in crown)
*Duke of Aumale, 29 September 1397 – 3 November 1399 (deprived of title)
*Duke of Exeter, 29 September 1397 – 3 November 1399 (deprived of title)
*Duke of Surrey, 29 September 1397 – 3 November 1399 (deprived of title)
*Duke of Norfolk, 29 September 1397 – 17 January 1476 (extinct)
*Duchess of Norfolk, 29 September 1397 – 24 March 1400 (extinct)
*Duke of Lancaster, 10 November 1399 – 20 March 1413 (merged in crown)
*Duke of Clarence, 2 July 1412 – 22 March 1421 (extinct)
*Duke of Bedford, 16 May 1414 – 14 September 1435 (extinct)
*Duke of Gloucester, 16 May 1414 – 28 February 1447 (extinct)
*Duke of Exeter, 18 November 1416 – 30 December 1426 (extinct)
*Duke of Exeter, 6 January 1443 – 4 November 1461 (forfeit)
*Duke of Somerset, 28 August 1443 – 27 May 1444 (extinct)
*Duke of Buckingham, 14 September 1444 – 17 May 1521 (forfeit)
*Duke of Warwick, 5 April 1445 – 11 June 1446
*Duke of Somerset, 31 March 1448 – 3 April 1464 (forfeit)
*Duke of Suffolk, 2 July 1448 – 26 February 1493 (deprived of title)
*Duke of Clarence, June 1461 – 18 February 1478 (forfeit)
*Duke of Gloucester, June 1461 – 22 June 1483 (merged in crown)
*Duke of Bedford, 5 January 1470 – 1478 (deprived of title)
*Duke of York, 28 May 1474 – 1483 (extinct)
*Duke of Norfolk, 12 June 1477 – 1483 (extinct)
*Duke of Norfolk, 28 June 1483 – (extant)
*Duke of Bedford, 27 October 1485 – 21 December 1495 (extinct)
*Duke of York, 31 October 1494 – 18 February 1504 (surrendered)
*Duke of Somerset, 24 February 1499 &ndsah; 19 June 1500 (extinct)
*Duke of Suffolk, 1 February 1514 – 14 July 1551 (extinct)
*Duke of Richmond and Somerset, 18 June 1525 – 22 July 1536 (extinct)
*Duke of Somerset, 16 February 1547 – (extant)
*Duke of Northumberland, 11 October 1551 – 22 August 1553 (forfeit)
*Duke of Suffolk, 11 October 1551 – 23 February 1554 (forfeit)
*Duke of York, 6 January 1605 – 27 March 1625 (merged in crown)
*Duke of Richmond, 17 May 1623 – 16 February 1624 (extinct)
*Duke of Buckingham, 18 May 1623 – 16 April 1687 (extinct)
*Duke of Richmond, 8 August 1641 – 12 December 1672 (extinct)
*Duke of Cumberland, 24 January 1644 – 29 November 1682 (extinct)
*Duke of York, 27 January 1644 – 6 February 1685 (merged in crown)
*Duke of Gloucester, 13 May 1659 – 13 September 1660 (extinct)
*Duke of Albemarle, 7 July 1660 – 6 October 1688 (extinct)
*Duke of Monmouth, 14 February 1663 – 15 July 1685 (forfeit)
*Duke of Cambridge, 23 August 1664 – 20 June 1667 (extinct)
*Duke of Newcastle-upon-Tyne, 16 March 1665 – 26 July 1691 (extinct)
*Duke of Cambridge, 7 October 1667 – 8 June 1671 (extinct)
*Duke of Cleveland, 3 August 1670 – 18 May 1774 (extinct)
*Duchess of Portsmouth, 19 August 1673 – 14 November 1734 (extinct)
*Duke of Richmond, 9 August 1675 – (extant)
*Duke of Southampton, 10 September 1675 – 18 May 1774 (extinct)
*Duke of Grafton, 11 September 1675 – (extant)
*Duke of Ormonde, 9 November 1682 – 20 August 1715 (forfeit)
*Duke of Beaufort, 2 December 1682 – (extant)
*Duke of Northumberland, 6 April 1683 – 3 July 1716 (extinct)
*Duke of St. Albans, 10 January 1684 – (extant)
*Duke of Berwick-upon-Tweed, 19 March 1687 – 1695 (forfeit)
*Duke of Cumberland, 9 April 1689 – 28 October 1708 (extinct)
*Duke of Bolton, 9 April 1689 – 25 December 1794 (extinct)
*Duke of Schomberg, 10 April 1689 – 5 July 1719 (extinct)
*Duke of Shrewsbury, 30 April 1694 – 1 February 1718 (extinct)
*Duke of Leeds, 4 May 1694 – 20 March 1964 (extinct)
*Duke of Bedford, 11 May 1694 – (extant)
*Duke of Devonshire, 12 May 1694 – (extant)
*Duke of Newcastle-upon-Tyne, 14 May 1694 – 15 July 1711 (extinct)
*Duke of Marlborough, 14 December 1702 – (extant)
*Duke of Buckingham and Normanby, 23 March 1703 – 30 October 1735 (extinct)
*Duke of Rutland, 29 March 1703 – (extant)
*Duke of Montagu, 14 April 1705 – 16 July 1749 (extinct)
*Duke of Cambridge, 9 November 1706 – 11 June 1727 (merged in crown)
==Peerage of Scotland==
*Duke of Rothesay, 28 April 1398 – (extant)
*Duke of Albany, 28 April 1398 – 24 May 1425 (forfeit)
*Duke of Albany, 1457 – 2 June 1536 (extinct)
*Duke of Ross, 29 January 1488 – 17 January 1504 (extinct)
*Duke of Montrose, 18 May 1488 – December 1495 (extinct)
*Duke of Ross, 1514 – 18 December 1515 (extinct)
*Duke of Albany, 20 July 1565 – 24 July 1567 (merged in crown)
*Duke of Orkney, 12 May 1567 – 29 December 1567 (forfeit)
*Duke of Lennox, 5 August 1581 – 12 December 1672 (extinct)
*Duke of Albany, 23 December 1600 – 27 March 1625 (merged in crown)
*Duke of Hamilton, 12 April 1643 – (extant)
*Duke of Hamilton, 20 September 1660 – 18 April 1694 (extinct)
*Duke of Albany, 31 December 1660 – 6 February 1685 (merged in crown)
*Duke of Buccleuch, 20 April 1663 – 15 July 1685 (forfeit)
*Duke of Buccleuch, 20 April 1663 – (extant)
*Duke of Lauderdale, 1 May 1672 – 24 August 1682 (extinct)
*Duke of Lennox, 9 September 1675 – (extant)
*Duke of Rothes, 29 May 1680 – 27 July 1681 (extinct)
*Duke of Gordon, 3 November 1684 – 28 May 1836 (extinct)
*Duke of Queensberry, 3 November 1684 – (extant)
*Duke of Argyll, 23 June 1701 – (extant)
*Duke of Douglas, 10 April 1703 – 21 July 1761 (extinct)
*Duke of Atholl, 30 June 1703 – (extant)
*Duke of Montrose, 24 April 1707 – (extant)
*Duke of Roxburghe, 25 April 1707 – (extant)
==Peerage of Great Britain==
*Duke of Dover, 26 May 1708 – 22 October 1778 (extinct)
*Duke of Kent, 28 April 1710 – 5 June 1740 (extinct)
*Duke of Brandon, 10 September 1711 – (extant)
*Duke of Ancaster and Kesteven, 26 July 1715 – 8 February 1809 (extinct)
*Duke of Kingston-upon-Hull, 10 August 1715 – 23 September 1773 (extinct)
*Duke of Newcastle-upon-Tyne, 11 August 1715 – 17 November 1768 (extinct)
*Duke of York and Albany, 5 July 1716 – 14 August 1728 (extinct)
*Duke of Portland, 6 July 1716 – 30 July 1990 (extinct)
*Duke of Wharton, 28 January 1718 – 31 May 1731 (extinct)
*Duchess of Kendal, 19 March 1719 – 10 May 1743 (extinct)
*Duke of Greenwich, 27 April 1719 – 4 October 1743 (extinct)
*Duke of Manchester, 28 April 1719 – (extant)
*Duke of Chandos, 29 April 1719 – 29 September 1789 (extinct)
*Duke of Dorset, 17 June 1720 – 29 July 1843 (extinct)
*Duke of Bridgewater, 18 June 1720 – 8 March 1803 (extinct)
*Duke of Edinburgh, 26 July 1726 – 25 October 1760 (merged in crown)
*Duke of Cumberland, 27 July 1726 – 31 October 1765 (extinct)
*Duke of Newcastle-under-Lyne, 17 November 1756 – 25 December 1988 (extinct)
*Duke of York and Albany, 1 April 1760 – 17 September 1767 (extinct)
*Duke of Gloucester and Edinburgh, 19 November 1764 – 30 November 1834 (extinct)
*Duke of Cumberland and Strathearn, 22 October 1766 – 18 September 1790 (extinct)
*Duke of Northumberland, 22 October 1766 – (extant)
*Duke of Montagu, 5 November 1766 – 29 November 1784 (extinct)
*Duke of York and Albany, 29 November 1784 – 5 January 1827 (extinct)
*Duke of Clarence and St. Andrews, 20 May 1789 – 26 June 1830 (merged in crown)
*Duke of Kent and Strathearn, 24 April 1799 – 23 January 1820 (extinct)
*Duke of Cumberland and Teviotdale, 24 April 1799 – 28 March 1919 (suspended)
==Peerage of Ireland==
*Duke of Ormonde, 30 March 1661 – 17 December 1758 (extinct)
*Duke of Leinster, 3 March 1691 – 16 July 1719 (extinct)
*Duchess of Munster, 18 July 1716 – 10 May 1743 (extinct)
*Duke of Leinster, 26 November 1766 – (extant)
*Duke of Abercorn, 10 August 1868 – (extant)
==Peerage of the United Kindom==
*Duke of Sussex, 27 November 1801 – 21 April 1843 (extinct)
*Duke of Cambridge, 27 November 1801 – 17 March 1904 (extinct)
*Duke of Wellington, 11 May 1814 – (extant)
*Duke of Buckingham and Chandos, 4 February 1822 – 26 March 1889
*Duke of Sutherland, 28 January 1833 – (extant)
*Duke of Cleveland, 29 January 1833 – 21 August 1891 (extinct)
*Duchess of Inverness, 10 April 1840 – 1 August 1873 (extinct)
*Duke of Edinburgh, 24 May 1866 – 30 July 1900 (extinct)
*Duke of Westminster, 27 February 1874 – (extant)
*Duke of Connaught and Strathearn, 24 May 1874 – 26 April 1943 (extinct)
*Duke of Gordon, 13 January 1876 – (extant)
*Duke of Albany, 24 May 1881 – 28 March 1919 (suspended)
*Duke of Fife, 29 July 1889 – 29 January 1912 (extinct)
*Duke of Clarence and Avondale, 24 May 1890 – 14 January 1892 (extinct)
*Duke of Argyll, 7 April 1892 – (extant)
*Duke of York, 24 May 1892 – 6 May 1910 (merged in crown)
*Duke of Fife, 24 April 1900 – (extant)
*Duke of York, 5 June 1920 – 11 December 1936 (merged in crown)
*Duke of Gloucester, 31 March 1928 – (extant)
*Duke of Kent, 12 October 1934 – (extant)
*Duke of Windsor, 8 March 1937 – 28 May 1972 (extinct)
*Duke of Edinburgh, 20 November 1947 – (extant)
*Duke of York, 23 July 1986 – (extant)
*Duke of Cambridge, 29 April 2011 – (extant)