(1766) Peregrine Bertie, 3rd Duke of Ancaster and Kesteven (1766–1778) Hugh Percy, 1st Duke of Northumberland (1778–1780) George Montagu, 1st Duke of Montagu (1780–1790) James Graham, 3rd Duke of Montrose (1790–1795) John Fane, 10th Earl of Westmorland (1795–1798) Philip Stanhope, 5th Earl of Chesterfield (1798–1804) 19th century Francis Seymour-Conway, 2nd Marquess of Hertford (1804–1806) Henry Herbert, 1st Earl of Carnarvon (1806–1807) James Graham, 3rd Duke of Montrose (1807–1821) Charles Sackville-Germain, 5th Duke of Dorset (1821–1827) George Osborne, 6th Duke of Leeds (1827–1830) William Keppel, 4th Earl of Albemarle (1830–1834) Charles Sackville-Germain, 5th Duke of Dorset (1835) William Keppel, 4th Earl of Albemarle (1835–1841) George Child-Villiers, 5th Earl of Jersey (1841–1846) Henry Fitzalan-Howard, 13th Duke of Norfolk (1846–1852) George Child-Villiers, 5th Earl of Jersey (1852) Arthur Wellesley, 2nd Duke of Wellington (1853–1858) Henry Somerset, 8th Duke of Beaufort (1858–1859) George Brudenell-Bruce, 2nd Marquess of Ailesbury (1859–1866) Henry Somerset, 8th Duke of Beaufort (1866–1868) George Brudenell-Bruce, 2nd Marquess of Ailesbury (1868–1874) Orlando Bridgeman, 3rd Earl of Bradford (1874–1880) Hugh Grosvenor, 1st Duke of Westminster (1880–1885) Orlando Bridgeman, 3rd Earl of Bradford (1885–1886) Richard Boyle, 9th Earl of Cork (1886) William Cavendish-Bentinck, 6th Duke of Portland (1886–1892) William Monson, 1st Viscount Oxenbridge (1892–1894) Richard Boyle, 9th Earl of Cork (1894–1895) William Cavendish-Bentinck, 6th Duke of Portland (1895–1905) 20th century Osbert Molyneux, 6th Earl of Sefton (1905–1907) Bernard Forbes, 8th Earl of Granard (1907–1915) Edwyn Scudamore-Stanhope, 10th Earl of Chesterfield (1915–1922) Thomas Thynne, 5th Marquess of Bath (1922–1924) Bernard Forbes, 8th Earl of Granard (1924–1936) Henry Somerset, 10th Duke of Beaufort (1936–1978) David Fane, 15th Earl of Westmorland (1978–1991) Savile Crossley, 3rd Baron Somerleyton (1991–1999) Samuel Vestey, 3rd Baron Vestey (1999–2018) 21st century Rupert Ponsonby, 7th Baron de Mauley (2019–present) References Bibliography The Seaxe Newsletter of the Middlesex Heraldry Society, Feb 2007 Masters of the Horse