Name
|
Entered office
|
Left office
|
Party
|
Notes
|
Robert Walpole later Sir Robert Walpole
|
4 April 1721
|
11 February 1742
|
Whig
|
First Lord of the Treasury and Chancellor of the Exchequer. Regarded as the first Prime Minister in the modern sense.
|
The Earl of Wilmington
|
16 February 1742
|
2 July 1743
|
Whig
|
First Lord of the Treasury. the government was led de facto by Lord Carteret, the Secretary of State for the Northern Department.
|
Henry Pelham
|
27 August 1743
|
6 March 1754
|
Whig
|
First Lord of the Treasury and Chancellor of the Exchequer. Until the end of 1744, the government was led de facto by Lord Carteret, the Secretary of State for the Northern Department.
|
The Duke of Newcastle-upon-Tyne
|
16 March 1754
|
16 November 1756
|
Whig
|
First Lord of the Treasury
|
The Duke of Devonshire
|
16 November 1756
|
25 June 1757
|
Whig
|
First Lord of the Treasury. The government was largely run by William Pitt the Elder, the Secretary of State for the Southern Department, until his resignation in April 1757.
|
The Duke of Newcastle-upon-Tyne
|
2 July 1757
|
26 May 1762
|
Whig
|
First Lord of the Treasury. William Pitt the Elder, as Secretary of State for the Southern Department, was virtually co-prime minister until his resignation late in 1761. He was succeeded in this role by the Earl of Bute, the Secretary of State for the Northern Department.
|
The Earl of Bute
|
26 May 1762
|
16 April 1763
|
Tory
|
First Lord of the Treasury
|
George Grenville
|
16 April 1763
|
13 July 1765
|
Whig
|
First Lord of the Treasury and Chancellor of the Exchequer
|
The Marquess of Rockingham
|
13 July 1765
|
30 July 1766
|
Whig
|
First Lord of the Treasury
|
The Earl of Chatham
|
30 July 1766
|
14 October 1768
|
Whig
|
Lord Privy Seal. Was in ill health for most of his time as Prime Minister. The Duke of Grafton, as First Lord of the Treasury, acted as prime minister for most of this time.
|
The Duke of Grafton
|
14 October 1768
|
28 January 1770
|
Whig
|
First Lord of the Treasury from July 1766.
|
Lord North
|
28 January 1770
|
22 March 1782
|
Tory
|
First Lord of the Treasury and Chancellor of the Exchequer (from 1767)
|
The Marquess of Rockingham
|
27 March 1782
|
1 July 1782
|
Whig
|
First Lord of the Treasury.
|
The Earl of Shelburne
|
4 July 1782
|
2 April 1783
|
Whig
|
First Lord of the Treasury
|
The Duke of Portland
|
2 April 1783
|
19 December 1783
|
Whig
|
First Lord of the Treasury.
|
William Pitt
|
19 December 1783
|
14 March 1801
|
Tory
|
First Lord of the Treasury and Chancellor of the Exchequer.
|
Henry Addington
|
17 March 1801
|
10 May 1804
|
Tory
|
First Lord of the Treasury and Chancellor of the Exchequer.
|
William Pitt
|
10 May 1804
|
23 January 1806
|
Tory
|
First Lord of the Treasury and Chancellor of the Exchequer
|
The Lord Grenville
|
11 February 1806
|
31 March 1807
|
Whig
|
First Lord of the Treasury.
|
The Duke of Portland
|
31 March 1807
|
4 October 1809
|
Whig
|
First Lord of the Treasury. He was old and ill, leaving the Cabinet to their own devices, although no one figure was dominant.
|
Spencer Perceval
|
4 October 1809
|
11 May 1812
|
Tory
|
First Lord of the Treasury, Chancellor of the Exchequer, and Chancellor of the Duchy of Lancaster.
|
The Earl of Liverpool
|
9 June 1812
|
10 April 1827
|
Tory
|
First Lord of the Treasury
|
George Canning
|
10 April 1827
|
8 August 1827
|
Tory
|
First Lord of the Treasury and Chancellor of the Exchequer
|
The Viscount Goderich
|
31 August 1827
|
22 January 1828
|
Tory
|
First Lord of the Treasury
|
The Duke of Wellington
|
22 January 1828
|
22 November 1830
|
Tory
|
First Lord of the Treasury
|
The Earl Grey
|
November 1830
|
16 July 1834
|
Whig
|
First Lord of the Treasury
|
The Viscount Melbourne
|
16 July 1834
|
17 November 1834
|
Whig
|
First Lord of the Treasury
|
The Duke of Wellington (caretaker)
|
17 November 1834
|
9 December 1834
|
Tory
|
First Lord of the Treasury and Secretary of State for Foreign Affairs
|
Sir Robert Peel, Bt.
|
9 December 1834
|
18 April 1835
|
Tory
|
First Lord of the Treasury and Chancellor of the Exchequer
|
The Viscount Melbourne
|
18 April 1835
|
30 August 1841
|
Whig
|
First Lord of the Treasury
|
Sir Robert Peel, Bt.
|
30 August 1841
|
30 June 1846
|
Conservative
|
First Lord of the Treasury
|
Lord John Russell
|
30 June 1846
|
23 February 1852
|
Whig
|
First Lord of the Treasury
|
The Earl of Derby
|
23 February 1852
|
19 December 1852
|
Conservative
|
First Lord of the Treasury
|
The Earl of Aberdeen
|
19 December 1852
|
6 February 1855
|
Peelite
|
First Lord of the Treasury
|
The Viscount Palmerston
|
6 February 1855
|
20 February 1858
|
Liberal
|
First Lord of the Treasury
|
The Earl of Derby
|
20 February 1858
|
12 June 1859
|
Conservative
|
First Lord of the Treasury
|
The Viscount Palmerston
|
12 June 1859
|
29 October 1865
|
Liberal
|
First Lord of the Treasury
|
The Earl Russell
|
29 October 1865
|
28 June 1866
|
Liberal
|
First Lord of the Treasury
|
The Earl of Derby
|
28 June 1866
|
27 February 1868
|
Conservative
|
First Lord of the Treasury
|
Benjamin Disraeli
|
27 February 1868
|
3 December 1868
|
Conservative
|
First Lord of the Treasury
|
William Gladstone
|
3 December 1868
|
20 February 1874
|
Liberal
|
First Lord of the Treasury and (from 1873-1874) Chancellor of the Exchequer
|
Benjamin Disraeli later The Earl of Beaconsfield
|
20 February 1874
|
23 April 1880
|
Conservative
|
First Lord of the Treasury
|
William Gladstone
|
23 April 1880
|
23 June 1885
|
Liberal
|
First Lord of the Treasury and (1880-1882) Chancellor of the Exchequer
|
The Marquess of Salisbury
|
23 June 1885
|
1 February 1886
|
Conservative
|
Secretary of State for Foreign Affairs
|
William Gladstone
|
1 February 1886
|
25 July 1886
|
Liberal
|
First Lord of the Treasury
|
The Marquess of Salisbury
|
3 August 1886
|
15 August 1892
|
Conservative
|
First Lord of the Treasury (1886-1887) and then Secretary of State for Foreign Affairs (1887-1892)
|
William Gladstone
|
15 August 1892
|
5 March 1894
|
Liberal
|
First Lord of the Treasury
|
The Earl of Rosebery
|
5 March 1894
|
25 June 1895
|
Liberal
|
First Lord of the Treasury
|
The Marquess of Salisbury
|
25 June 1895
|
11 July 1902
|
Conservative
|
Secretary of State for Foreign Affairs (1895-1900), and then Lord Privy Seal (1900-1902)
|
Arthur Balfour
|
11 July 1902
|
5 December 1905
|
Conservative
|
First Lord of the Treasury; the first to hold the title of Prime Minister officially. Henceforth, all Prime Ministers are also First Lord of the Treasury.
|
Sir Henry Campbell-Bannerman
|
5 December 1905
|
7 April 1908
|
Liberal
|
|
Herbert Henry Asquith
|
7 April 1908
|
7 December 1916
|
Liberal
|
|
David Lloyd George
|
7 December 1916
|
23 October 1922
|
Liberal
|
|
Andrew Bonar Law
|
23 October 1922
|
22 May 1923
|
Conservative
|
|
Stanley Baldwin
|
22 May 1923
|
22 January 1924
|
Conservative
|
|
Ramsay MacDonald
|
22 January 1924
|
4 November 1924
|
Labour
|
also Secretary of State for Foreign Affairs
|
Stanley Baldwin
|
4 November 1924
|
5 June 1929
|
Conservative
|
|
Ramsay MacDonald
|
5 June 1929
|
7 June 1935
|
Labour (1929-1931), then National Labour (1931-1935)
|
|
Stanley Baldwin
|
7 June 1935
|
28 May 1937
|
Conservative
|
|
Neville Chamberlain
|
28 May 1937
|
10 May 1940
|
Conservative
|
|
Winston Churchill
|
10 May 1940
|
27 July 1945
|
Conservative
|
also Minister of Defence
|
Clement Attlee
|
27 July 1945
|
26 October 1951
|
Labour
|
also Minister of Defence (1945-1946)
|
Winston Churchill later Sir Winston Churchill
|
26 October 1951
|
6 April 1955
|
Conservative
|
also Minister of Defence (1951-1952)
|
Sir Anthony Eden
|
6 April 1955
|
10 January 1957
|
Conservative
|
|
Harold Macmillan
|
10 January 1957
|
19 October 1963
|
Conservative
|
|
Sir Alec Douglas-Home
|
19 October 1963
|
16 October 1964
|
Conservative
|
|
Harold Wilson
|
16 October 1964
|
19 June 1970
|
Labour
|
|
Edward Heath
|
19 June 1970
|
4 March 1974
|
Conservative
|
|
Harold Wilson
|
4 March 1974
|
5 April 1976
|
Labour
|
|
James Callaghan
|
5 April 1976
|
4 May 1979
|
Labour
|
|
Margaret Thatcher
|
4 May 1979
|
28 November 1990
|
Conservative
|
|
John Major
|
28 November 1990
|
2 May 1997
|
Conservative
|
|
Tony Blair
|
2 May 1997
|
27 June 2007
|
Labour
|
|
Gordon Brown
|
27 June 2007
|
11 May 2010
|
Labour
|
|
David Cameron
|
11 May 2010
|
13 July 2016
|
Conservative
|
|
Theresa May
|
13 July 2016
|
incumbent
|
Conservative
|
|