Signatures of British Prime Ministers beginning with Robert Wadpole, Prime Minister 1721-1742, and ending with Margaret Thatcher, Prime Minister 1979-1991.  Most signatures are cut signatures from letters, documents or envelopes.  The signatures are organized alphabetically by the surname of the Prime Minister rather than their titles, though the titles are noted in the descriptions.  The descriptions also include the dates each person served as Prime Minister.

Henry Addington, Viscount Sidmouth. Signed “Sidmouth.” Prime Minister, 1801-1804.

Herbert Asquith. Signed "H H Asquith." Prime Minister 1908-1916.

Clement Richard Atlee, 1st Earl Attlee. Signed “Clement Richard Atlee.” Prime Minister, 1945-1951.

Stanley Baldwin. Signed “Stanley Baldwin” on stationery with embossed 10 Downing Street, Whitehall, S.W.1.” Prime Minister 1923-1924, 1924-1929, and 1936-1937.

Arthur James Balfour, 1st Earl of Balfour. Signed “Arthur James Balfour.” Prime Minister 1902-1905.

James Callaghan. Signed “Jim Callaghan” on stationery of The Chancellor of the Exchequer, 11 Downing Street, Whitehall, S.W.1. Chancellor of the Exchequer from 1964 to 1967. Prime Minister 1976-1979.

George Canning. Signed "Geo. Canning." Prime Minister 1827.

William Cavendish-Bentinck, Third Duke of Portland. Paper seal of George III, attached on reverse. Signed "Portland." Prime Minister 1783 and 1807-1809.

Winston Churchill. Midland Bank Limited check, dated October 22, 1945, written to The Rt. Hon. Winston S. Churchill and endorsed “Winston Churchill.” Prime Minister 1940-1945, 1951-1955.

Spencer Compton, 1st Earl of Wilmington. Signed “Wilmington, ?.” Prime Minister 1742-1743. Date on document fragment is July 19, 1734, with a partial order written on the reverse.

Benjamin Disraeli, Earl of Beaconsfield. Signed "Benj Disraeli." “Henry Colburn, Esq” written on reverse. Prime Minister 1868, 1874-1880. Includes carte de visite of a portrait of Disraeli.

2nd Earl Shelbourne and 1st Marquis of Landsdowne.  Also known as William Petty-Fitzmaurice.  Signed “Shelbourne.” Prime Minister 1782-1783.

Augustus Fitzroy, Third Duke of Grafton. Signed “Grafton.” Appears to be an envelope addressed to Lady Mary Lindsay Campbell, Edinburgh. Prime Minister 1767-1770.

Robert Arthur Talbot Gascoyne Salisbury-Cecil, Third Marquis of Salisbury. Signed “Salisbury.” Prime Minister 1885-1886, 1886-1892, and 1895-1902.

David Lloyd George. Signed “D. Lloyd George” on reverse of a request for his signature by Ruth Adler of Rochelle, New York, dated April 19, 1924. Prime Minister 1916-1922.

William E. Gladstone. Signature “WE Gladstone” on envelope, with August 1881 cancel date, addressed to Mrs. DC Philbrooke, Bangor, Maine. Prime Minister 1868-1874, 1880-1885, 1886 and 1892-1894.

Frederick John Robinson Goderich, Viscount Earl of Ripon. Signed "Goderich." Prime Minister 1827-1828.

Frederick John Robinson Goderich, Viscount Earl of Ripon. Franking signature "FJ Robinson, Esq. Ripon” and sender’s signature “FJ Robinson.” Prime Minister 1827-1828. The fragment is an envelope, postmarked 27 Feb 1821, and addressed to Lady Sullivan, Surry

Lord William Grenville. Signed “Grenville.” Prime Minister 1806-1807.

George Grenville.  Signed “George Grenville.” Fragment of a letter with date of January 14, 1752 and other signatures of “?. Campbell” and George Lyttelton, 1st Baron Lyttelton (signed “G. Lyttelton.” Prime Minister 1763-1765.

Charles Grey, Second Earl Grey. Signed “Grey.” Prime Minister 1830-1834. Appears to be an envelope addressed to Sir John Key, Baronet, 14 Bedford Square. Sir John Key was a member of Parliament in 1833. A date, 16 Nov 33, is handwritten on the fragment.

George Hamilton-Gordon, 4th Earl of Aberdeen. Signed "Aberdeen." Prime Minister 1852-1855.

Edward Richard George Heath. Signed “Edward Heath” and dated 27 March ’74. Prime Minister 1970-1974.

(Sir) Alec Douglas Home, Alexander Frederick Douglas-Home, Baron Home of the Hirsel. Signed “Alec Douglas-Home.” Prime Minister 1963-1964.