List of Prime Ministers of the United Kingdom - wikipedia List of Prime Ministers of the United Kingdom Top left : Walpole became the first Prime Minister of the Kingdom of Great Britain in 1721. Top right : Pitt the Younger became the first Prime Minister of the United Kingdom of Great Britain and Ireland in 1801. Bottom left : Lloyd George was the last Prime Minister of the United Kingdom of Great Britain and Ireland as a result of the Anglo - Irish Treaty in 1922. Bottom right : Baldwin was Prime Minister when the country was renamed the United Kingdom of Great Britain and Northern Ireland in 1927. The Prime Minister of the United Kingdom is the head of the Government of the United Kingdom, and chairs Cabinet meetings. There is no specific date when the office of Prime Minister first appeared, as the role was not created but rather evolved over a period of time through merger of duties. The term was used in the House of Commons in 1805, and it was certainly in parliamentary use by the 1880s. In 1905 the post of Prime Minister was officially given recognition in the order of precedence. Modern historians generally consider Sir Robert Walpole, who led the government of Great Britain from 1721 to 1742, as the first Prime Minister. Walpole is also the longest - serving Prime Minister by this definition. However, Sir Henry Campbell - Bannerman was the first Prime Minister and Margaret Thatcher the longest - serving Prime Minister to have been officially referred to as such. Strictly, the first Prime Minister of the United Kingdom ( of Great Britain and Ireland ) was William Pitt the Younger. The first Prime Minister of the current United Kingdom ( the United Kingdom of Great Britain and Northern Ireland ) was David Lloyd George, although the country was not renamed officially until 1927 when Stanley Baldwin was serving as Prime Minister. Due to the gradual evolution of the post of Prime Minister, the title is applied to early Prime Ministers only retrospectively ; this has sometimes given rise to academic dispute. Lord Bath and Lord Waldegrave are both sometimes listed as prime ministers. Bath was invited to form a ministry by King George II when Henry Pelham resigned in 1746, as was Waldegrave in 1757 after the dismissal of William Pitt the Elder, who dominated the government during the Seven Years ' War. Neither was able to command sufficient parliamentary support to form a government ; Bath stepped down after two days, and Waldegrave after three. Modern academic consensus does not consider either man to have held office as Prime Minister, and they are not listed. Contents 1 Before 1721 2 Since 1721 3 Addenda 4 See also 5 Notes 6 Citations 7 Bibliography 8 Further reading 9 External links Before 1721 Further information : List of chief ministers of England and Great Britain Before the Georgian era, the Treasury of England was led by the Lord High Treasurer. By the late Tudor period, the Lord High Treasurer was regarded as one of the Great Officers of State and tended to be the dominant figure in government : the Duke of Somerset, Lord High Treasurer ( 1547 -- 1549 ), served as Lord Protector to his nephew King Edward VI ; William Cecil, 1st Baron Burghley, Lord High Treasurer ( 1572 -- 1598 ), was the dominant minister among Queen Elizabeth I 's ministers ; Burghley 's son Robert Cecil, 1st Earl of Salisbury, succeeded his father as chief minister to Elizabeth I ( 1598 -- 1603 ) and later served King James I as Lord High Treasurer ( 1608 -- 1612 ). By the late Stuart period, the Treasury was often run not by a single individual such as a Lord High Treasurer but by a committee of Lords of the Treasury, led by the First Lord of the Treasury. The last Lords High Treasurer, Lord Godolphin ( 1702 -- 1710 ) and Lord Oxford ( 1711 -- 1714 ), ran the government of Queen Anne. After the succession of King George I in 1714, the arrangement of a commission of Lords of the Treasury as opposed to a single Lord High Treasurer became permanent. For the next three years, the government was headed by Lord Townshend, who was appointed Secretary of State for the Northern Department. Subsequently, Lord Stanhope and Lord Sunderland ran the government jointly, with Stanhope managing foreign affairs and Sunderland managing domestic affairs. Stanhope died in February 1721 and Sunderland resigned two months later ; Townshend and Robert Walpole were then invited to form the next government. From that point, the holder of the office of First Lord also unofficially held the status of Prime Minister. It was not until the Edwardian era that the title Prime Minister was constitutionally recognised. With only few exceptions, the Prime Minister still holds the office of First Lord by constitutional convention. Since 1721 By century and monarch 18th to 19th century George I George II George III George IV William IV Victoria 20th to 21st century Edward VII George V Edward VIII George VI Elizabeth II Whig ( 17 ) Tory ( 11 ) Conservative ( 17 ) Peelite ( 1 ) Liberal ( 7 ) Labour ( 6 ) National Labour ( 1 ) Portrait Name ( Birth -- Death ) Term of office & Mandate Duration of premiership Ministerial portfolios held as Prime Minister Party Ministry Monarch ( Reign ) The Right Honourable Robert Walpole 1st Earl of Orford KG KB PC MP for King 's Lynn ( 1676 -- 1745 ) 4 April 1721 11 February 1742 1722 First Lord of the Treasury Chancellor of the Exchequer Leader of the House of Commons Whig Walpole -- Townshend George I ( 1714 -- 1727 ) 1727 George II ( 1727 -- 1760 ) 1734 Walpole 1741 20 years and 314 days The Right Honourable Spencer Compton 1st Earl of Wilmington KG KB PC ( 1673 -- 1743 ) 16 February 1742 2 July 1743 -- First Lord of the Treasury Whig Carteret 1 year and 137 days ​ The Right Honourable Henry Pelham FRS MP for Sussex ( 1694 -- 1754 ) 27 August 1743 6 March 1754 1747 First Lord of the Treasury Chancellor of the Exchequer Leader of the House of Commons Whig Broad Bottom I Broad Bottom II 10 years and 192 days His Grace Thomas Pelham - Holles 1st Duke of Newcastle KG PC FRS ( 1693 -- 1768 ) 16 March 1754 16 November 1756 1754 First Lord of the Treasury Leader of the House of Lords Whig Newcastle I 2 years and 246 days His Grace William Cavendish 4th Duke of Devonshire KG PC ( 1720 -- 1764 ) 16 November 1756 25 June 1757 -- First Lord of the Treasury Leader of the House of Lords Whig Pitt -- Devonshire ​ 1757 Caretaker 222 days His Grace Thomas Pelham - Holles 1st Duke of Newcastle KG PC FRS ( 1693 -- 1768 ) 2 July 1757 26 May 1762 1761 First Lord of the Treasury Leader of the House of Lords Whig Pitt -- Newcastle George III ( 1760 -- 1820 ) 4 years and 329 days The Right Honourable John Stuart 3rd Earl of Bute KG PC ( 1713 -- 1792 ) 26 May 1762 8 April 1763 -- First Lord of the Treasury Leader of the House of Lords Tory Bute ( Tory -- Whig ) 318 days The Right Honourable George Grenville MP for Buckingham ( 1712 -- 1770 ) 16 April 1763 13 July 1765 -- First Lord of the Treasury Chancellor of the Exchequer Leader of the House of Commons Whig ( Grenvillite ) Grenville ( Whig -- Tory ) 2 years and 89 days The Most Honourable Charles Watson - Wentworth 2nd Marquess of Rockingham KG PC FRS ( 1730 -- 1782 ) 13 July 1765 30 July 1766 -- First Lord of the Treasury Leader of the House of Lords Whig ( Rockinghamite ) Rockingham I 1 year and 18 days The Right Honourable William Pitt 1st Earl of Chatham PC FRS MP for Bath ( 1708 -- 1778 ) 30 July 1766 14 October 1768 1768 Lord Keeper of the Privy Seal Whig ( Chathamite ) Chatham ( Whig -- Tory ) 2 years and 77 days His Grace Augustus FitzRoy 3rd Duke of Grafton KG PC ( 1735 -- 1811 ) 14 October 1768 28 January 1770 -- First Lord of the Treasury Leader of the House of Lords Whig ( Chathamite ) Grafton 1 year and 107 days The Right Honourable Frederick North Lord North KG MP for Banbury ( 1732 -- 1792 ) 28 January 1770 22 March 1782 First Lord of the Treasury Chancellor of the Exchequer Leader of the House of Commons Tory ( Northite ) North 1774 1780 12 years and 54 days The Most Honourable Charles Watson - Wentworth 2nd Marquess of Rockingham KG PC FRS ( 1730 -- 1782 ) 27 March 1782 1 July 1782 -- First Lord of the Treasury Leader of the House of Lords Whig ( Rockinghamite ) Rockingham II 97 days The Right Honourable William Petty 2nd Earl of Shelburne KG PC ( 1737 -- 1805 ) 4 July 1782 2 April 1783 -- First Lord of the Treasury Leader of the House of Lords Whig ( Chathamite ) Shelburne ( Whig -- Tory ) 273 days His Grace William Cavendish - Bentinck 3rd Duke of Portland PC FRS ( 1738 -- 1809 ) 2 April 1783 19 December 1783 -- First Lord of the Treasury Leader of the House of Lords Whig Fox -- North 262 days The Right Honourable William Pitt the Younger MP for Appleby -- Cambridge University ( 1759 -- 1806 ) 19 December 1783 14 March 1801 First Lord of the Treasury Chancellor of the Exchequer Leader of the House of Commons Tory ( Pittite ) Pitt I 1784 1790 1796 17 years and 86 days The Right Honourable Henry Addington MP for Devizes ( 1757 -- 1844 ) 17 March 1801 10 May 1804 1801 First Lord of the Treasury Chancellor of the Exchequer Leader of the House of Commons Tory ( Pittite ) Addington 1802 3 years and 55 days The Right Honourable William Pitt the Younger MP for Cambridge University ( 1759 -- 1806 ) 10 May 1804 23 January 1806 -- First Lord of the Treasury Chancellor of the Exchequer Leader of the House of Commons Tory ( Pittite ) Pitt II 1 year and 259 days The Right Honourable William Grenville 1st Baron Grenville PC PC ( Ire ) ( 1759 -- 1834 ) 11 February 1806 31 March 1807 First Lord of the Treasury Leader of the House of Lords Whig All the Talents ( Whig -- Tory ) 1806 1 year and 49 days His Grace William Cavendish - Bentinck 3rd Duke of Portland KG PC FRS ( 1738 -- 1809 ) 31 March 1807 4 October 1809 First Lord of the Treasury Tory ( Pittite ) Portland II 1807 2 years and 188 days The Right Honourable Spencer Perceval KC MP for Northampton ( 1762 -- 1812 ) 4 October 1809 11 May 1812 -- First Lord of the Treasury Chancellor of the Exchequer Chancellor of the Duchy of Lancaster Leader of the House of Commons Tory ( Pittite ) Perceval 2 years and 221 days The Right Honourable Robert Jenkinson 2nd Earl of Liverpool KG PC FRS ( 1770 -- 1828 ) 8 June 1812 9 April 1827 1812 First Lord of the Treasury Leader of the House of Lords Tory ( Pittite ) Liverpool 1818 1820 George IV ( 1820 -- 1830 ) 1826 14 years and 306 days The Right Honourable George Canning FRS MP for Seaford ( 1770 -- 1827 ) 10 April 1827 8 August 1827 -- First Lord of the Treasury Chancellor of the Exchequer Leader of the House of Commons Tory ( Canningite ) Canning ( Canningite -- Whig ) 121 days The Right Honourable Frederick John Robinson 1st Viscount Goderich PC ( 1782 -- 1859 ) 31 August 1827 21 January 1828 -- First Lord of the Treasury Leader of the House of Lords Tory ( Canningite ) Goderich 144 days Field Marshal His Grace Arthur Wellesley 1st Duke of Wellington KG GCB GCH PC ( 1769 -- 1852 ) 22 January 1828 16 November 1830 First Lord of the Treasury Leader of the House of Lords Tory Wellington -- Peel 1830 William IV ( 1830 -- 1837 ) 2 years and 299 days The Right Honourable Charles Grey 2nd Earl Grey KG PC ( 1764 -- 1845 ) 22 November 1830 9 July 1834 First Lord of the Treasury Leader of the House of Lords Whig Grey 1831 1832 -- 1833 3 years and 230 days The Right Honourable William Lamb 2nd Viscount Melbourne PC ( 1779 -- 1848 ) 16 July 1834 14 November 1834 -- First Lord of the Treasury Leader of the House of Lords Whig Melbourne I 122 days Field Marshal His Grace Arthur Wellesley 1st Duke of Wellington KG GCB GCH PC ( 1769 -- 1852 ) 14 November 1834 10 December 1834 -- First Lord of the Treasury Sec. of State for the Home Department Sec. of State for Foreign Affairs Sec. of State for War and the Colonies Leader of the House of Lords Tory Wellington Caretaker 27 days The Right Honourable Sir Robert Peel Bt FRS MP for Tamworth ( 1788 -- 1850 ) 10 December 1834 8 April 1835 -- First Lord of the Treasury Chancellor of the Exchequer Leader of the House of Commons Conservative Peel I 120 days The Right Honourable William Lamb 2nd Viscount Melbourne PC FRS ( 1779 -- 1848 ) 18 April 1835 30 August 1841 1835 First Lord of the Treasury Leader of the House of Lords Whig Melbourne II 1837 Victoria ( 1837 -- 1901 ) 6 years and 135 days The Right Honourable Sir Robert Peel Bt FRS MP for Tamworth ( 1788 -- 1850 ) 30 August 1841 29 June 1846 1841 First Lord of the Treasury Leader of the House of Commons Conservative Peel II 4 years and 304 days The Right Honourable Lord John Russell FRS MP for the City of London ( 1792 -- 1878 ) 30 June 1846 21 February 1852 1847 First Lord of the Treasury Leader of the House of Commons Whig Russell I 5 years and 237 days The Right Honourable Edward Smith - Stanley 14th Earl of Derby PC ( 1799 -- 1869 ) 23 February 1852 17 December 1852 First Lord of the Treasury Leader of the House of Lords Conservative Who ? Who ? 1852 299 days The Right Honourable George Hamilton - Gordon 4th Earl of Aberdeen KT FRSE FRS PC FSA Scot ( 1784 -- 1860 ) 19 December 1852 30 January 1855 -- First Lord of the Treasury Leader of the House of Lords Peelite Aberdeen ( Peelite -- Whig ) 2 years and 43 days The Right Honourable Henry John Temple 3rd Viscount Palmerston KG GCB PC FRS MP for Tiverton ( 1784 -- 1865 ) 6 February 1855 19 February 1858 First Lord of the Treasury Leader of the House of Commons Whig Palmerston I 1857 3 years and 14 days The Right Honourable Edward Smith - Stanley 14th Earl of Derby PC ( 1799 -- 1869 ) 20 February 1858 11 June 1859 -- First Lord of the Treasury Leader of the House of Lords Conservative Derby -- Disraeli II 1 year and 112 days The Right Honourable Henry John Temple 3rd Viscount Palmerston KG GCB PC FRS MP for Tiverton ( 1784 -- 1865 ) 12 June 1859 18 October 1865 1859 First Lord of the Treasury Leader of the House of Commons Liberal Palmerston II 1865 6 years and 129 days The Right Honourable John Russell 1st Earl Russell KG PC FRS ( 1792 -- 1878 ) 29 October 1865 26 June 1866 -- First Lord of the Treasury Leader of the House of Lords Liberal Russell II 241 days The Right Honourable Edward Smith - Stanley 14th Earl of Derby KG PC ( 1799 -- 1869 ) 28 June 1866 25 February 1868 -- First Lord of the Treasury Leader of the House of Lords Conservative Derby -- Disraeli III 1 year and 243 days The Right Honourable Benjamin Disraeli MP for Buckinghamshire ( 1804 -- 1881 ) See also § Premierships : 1 First Lord of the Treasury Leader of the House of Commons Conservative 27 February 1868 1 December 1868 -- 279 days The Right Honourable William Ewart Gladstone FSS MP for Greenwich ( 1809 -- 1898 ) See also § Premierships : 2 First Lord of the Treasury Leader of the House of Commons Chancellor of the Exchequer Liberal Gladstone I 3 December 1868 17 February 1874 1868 5 years and 77 days The Right Honourable Benjamin Disraeli 1st Earl of Beaconsfield KG PC FRS MP for Buckinghamshire ( 1804 -- 1881 ) See also § Premierships : 1 First Lord of the Treasury Leader of the House of Commons Lord Keeper of the Privy Seal Leader of the House of Lords Conservative Disraeli II 20 February 1874 21 April 1880 1874 6 years and 62 days The Right Honourable William Ewart Gladstone FRS FSS MP for Midlothian ( 1809 -- 1898 ) See also § Premierships : 2 First Lord of the Treasury Leader of the House of Commons Chancellor of the Exchequer Liberal Gladstone II 23 April 1880 9 June 1885 1880 5 years and 48 days The Most Honourable Robert Gascoyne - Cecil 3rd Marquess of Salisbury KG PC FRS DL ( 1830 -- 1903 ) 23 June 1885 28 January 1886 -- Sec. of State for Foreign Affairs Leader of the House of Lords Conservative Salisbury I 220 days The Right Honourable William Ewart Gladstone FRS FSS MP for Midlothian ( 1809 -- 1898 ) See also § Premierships : 2 First Lord of the Treasury Lord Keeper of the Privy Seal Leader of the House of Commons Liberal Gladstone III 1 February 1886 20 July 1886 1885 170 days The Most Honourable Robert Gascoyne - Cecil 3rd Marquess of Salisbury KG PC FRS DL ( 1830 -- 1903 ) 25 July 1886 11 August 1892 1886 Leader of the House of Lords First Lord of the Treasury Sec. of State for Foreign Affairs Conservative Salisbury II 6 years and 18 days The Right Honourable William Ewart Gladstone FRS FSS MP for Midlothian ( 1809 -- 1898 ) See also § Premierships : 2 First Lord of the Treasury Lord Keeper of the Privy Seal Leader of the House of Commons Liberal Gladstone IV 15 August 1892 2 March 1894 1892 1 year and 200 days The Right Honourable Archibald Primrose 5th Earl of Rosebery KG PC FRS ( 1847 -- 1929 ) 5 March 1894 22 June 1895 -- First Lord of the Treasury Lord President of the Council Leader of the House of Lords Liberal Rosebery 1 year and 110 days The Most Honourable Robert Gascoyne - Cecil 3rd Marquess of Salisbury KG PC FRS DL ( 1830 -- 1903 ) 25 June 1895 11 July 1902 Leader of the House of Lords Sec. of State for Foreign Affairs Lord Keeper of the Privy Seal Conservative Salisbury III ( Con. -- Lib. U. ) 1895 1900 7 years and 17 days Edward VII ( 1901 -- 1910 ) The Right Honourable Arthur Balfour FRS DL MP for Manchester East ( 1848 -- 1930 ) 11 July 1902 5 December 1905 -- First Lord of the Treasury Leader of the House of Commons Conservative Balfour 3 years and 148 days The Right Honourable Sir Henry Campbell - Bannerman GCB MP for Stirling Burghs ( 1836 -- 1908 ) 5 December 1905 7 April 1908 First Lord of the Treasury Leader of the House of Commons Liberal Campbell - Bannerman 1906 2 years and 125 days The Right Honourable Herbert Henry Asquith KC FRS MP for East Fife ( 1852 -- 1928 ) 7 April 1908 5 December 1916 First Lord of the Treasury Leader of the House of Commons Sec. of State for War Liberal Asquith I 1910 ​ 1910 George V ( 1910 -- 1936 ) ​ Asquith II ( Lib. -- Con. -- et al. ) 8 years and 243 days The Right Honourable David Lloyd George OM MP for Caernarvon Boroughs ( 1863 -- 1945 ) 6 December 1916 19 October 1922 First Lord of the Treasury Liberal Lloyd George War 1918 Lloyd George II ( Lib. -- Con. ) 5 years and 318 days The Right Honourable Bonar Law MP for Glasgow Central ( 1858 -- 1923 ) 23 October 1922 20 May 1923 1922 First Lord of the Treasury Leader of the House of Commons Conservative ( Scot. U. ) Law 210 days The Right Honourable Stanley Baldwin JP MP for Bewdley ( 1867 -- 1947 ) 23 May 1923 16 January 1924 -- First Lord of the Treasury Leader of the House of Commons Chancellor of the Exchequer Conservative Baldwin I 239 days The Right Honourable Ramsay MacDonald MP for Aberavon ( 1866 -- 1937 ) 22 January 1924 4 November 1924 1923 First Lord of the Treasury Leader of the House of Commons Sec. of State for Foreign Affairs Labour MacDonald I 288 days The Right Honourable Stanley Baldwin JP FRS MP for Bewdley ( 1867 -- 1947 ) 4 November 1924 5 June 1929 1924 First Lord of the Treasury Leader of the House of Commons Conservative Baldwin II 4 years and 214 days The Right Honourable Ramsay MacDonald FRS MP for Seaham ( 1866 -- 1937 ) 5 June 1929 7 June 1935 1929 First Lord of the Treasury Leader of the House of Commons Labour MacDonald II National Labour National I ( N. Lab. -- Con. -- et al. ) 1931 National II 6 years and 3 days ​ The Right Honourable Stanley Baldwin JP FRS MP for Bewdley ( 1867 -- 1947 ) 7 June 1935 28 May 1937 1935 First Lord of the Treasury Leader of the House of Commons Conservative National III ( Con. -- N. Lab. -- et al. ) Edward VIII ( 1936 ) George VI ( 1936 -- 1952 ) 1 year and 356 days The Right Honourable Neville Chamberlain FRS MP for Birmingham Edgbaston ( 1869 -- 1940 ) 28 May 1937 10 May 1940 -- First Lord of the Treasury Leader of the House of Commons Conservative National IV ​ Chamberlain War 2 years and 349 days The Right Honourable Winston Churchill CH TD FRS MP for Epping ( 1874 -- 1965 ) 10 May 1940 26 July 1945 -- First Lord of the Treasury Minister of Defence Leader of the House of Commons Conservative Churchill War ( All parties ) ​ Churchill Caretaker ( Con. -- Lib. N. ) 5 years and 78 days The Right Honourable Clement Attlee CH FRS MP for Limehouse -- Walthamstow West ( 1883 -- 1967 ) 26 July 1945 26 October 1951 1945 First Lord of the Treasury Minister of Defence Labour Attlee I 1950 Attlee II 6 years and 93 days The Right Honourable Sir Winston Churchill KG OM CH TD DL FRS RA MP for Woodford ( 1874 -- 1965 ) 26 October 1951 6 April 1955 1951 First Lord of the Treasury Minister of Defence Conservative Churchill III 3 years and 163 days Elizabeth II ( 1952 -- present ) The Right Honourable Sir Anthony Eden KG MC MP for Warwick & Leamington ( 1897 -- 1977 ) 6 April 1955 10 January 1957 1955 First Lord of the Treasury Conservative Eden 1 year and 280 days The Right Honourable Harold Macmillan FRS MP for Bromley ( 1894 -- 1986 ) 10 January 1957 19 October 1963 1959 First Lord of the Treasury Conservative Macmillan I ​ Macmillan II 6 years and 283 days The Right Honourable Sir Alec Douglas - Home KT MP for Kinross & Western Perthshire ( 1903 -- 1995 ) 19 October 1963 16 October 1964 -- First Lord of the Treasury Conservative ( Scot. U. ) Douglas - Home 364 days The Right Honourable Harold Wilson OBE FRS MP for Huyton ( 1916 -- 1995 ) 16 October 1964 19 June 1970 1964 First Lord of the Treasury Minister for the Civil Service Labour Wilson I 1966 Wilson II 5 years and 247 days The Right Honourable Edward Heath MBE MP for Bexley -- Sidcup ( 1916 -- 2005 ) 19 June 1970 4 March 1970 First Lord of the Treasury Minister for the Civil Service Conservative Heath 3 years and 259 days The Right Honourable Harold Wilson OBE FRS MP for Huyton ( 1916 -- 1995 ) 4 March 5 April 1976 First Lord of the Treasury Minister for the Civil Service Labour Wilson III Wilson IV 2 years and 33 days The Right Honourable James Callaghan MP for Cardiff South East ( 1912 -- 2005 ) 5 April 1976 4 May 1979 -- First Lord of the Treasury Minister for the Civil Service Labour Callaghan 3 years and 30 days The Right Honourable Margaret Thatcher FRS FRIC MP for Finchley ( 1925 -- 2013 ) See also § Premierships :3 First Lord of the Treasury Minister for the Civil Service Conservative Thatcher I 4 May 1979 28 November 1990 1979 Thatcher II Thatcher III 11 years and 209 days The Right Honourable John Major MP for Huntingdon ( born 1943 ) 28 November 1990 2 May 1997 First Lord of the Treasury Minister for the Civil Service Conservative Major I ​ Major II 6 years and 156 days The Right Honourable Tony Blair MP for Sedgefield ( born 1953 ) See also § Premierships : 4 First Lord of the Treasury Minister for the Civil Service Labour Blair I 2 May 1997 27 June 2007 1997 Blair II 2005 Blair III 10 years and 57 days The Right Honourable Gordon Brown MP for Kirkcaldy & Cowdenbeath ( born 1951 ) See also § Premierships : 5 First Lord of the Treasury Minister for the Civil Service Labour Brown 27 June 2007 11 May -- 2 years and 319 days The Right Honourable David Cameron MP for Witney ( born 1966 ) See also § Premierships : 6 First Lord of the Treasury Minister for the Civil Service Conservative Cameron -- Clegg ( Con. -- L.D. ) 11 May 13 July 2016 2015 Cameron II 6 years and 64 days The Right Honourable Theresa May MP for Maidenhead ( born 1956 ) See also § Premierships : 7 First Lord of the Treasury Minister for the Civil Service Conservative May I 13 July 2016 Incumbent 2017 May II 1 year and 279 days Addenda ^ 1 Whig majority in the Commons before the dissolution of Parliament. ^ 2 Minority government before the next Parliament. ^ 3 Tory majority in the Commons before dissolution. ^ 4 Majority Tory government before the next Parliament. ^ 5 Majority Liberal government before the next Parliament. ^ 6 Coalition government during the course of an undissolved hung parliament. ^ 7 Majority Conservative government before the next Parliament. 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Jump up ^ Queen Caroline served as Regent to George II in absentia on four occasions during the premiership of Sir Robert Walpole. Jump up ^ The Prince of Wales served as Prince Regent from 8 February 1811. Restrictions on his power were lifted on 1 February 1812. Jump up ^ Including honorifics and constituencies for elected MPs. Jump up ^ Including political factions and electoral alliances where applicable. Jump up ^ Elevated to the Peerage of Great Britain on 6 February 1742. Jump up ^ Served as Commons Leader until 6 February 1742. Jump up ^ Served as First Lord until 8 June 1757 and from 12 June. Jump up ^ Elevated to the Peerage of Great Britain on 4 August 1766. Jump up ^ Elected to a new constituency in the 1784 general election. Jump up ^ Served as Chancellor from 11 August 1873. Jump up ^ Elevated to the Peerage of the United Kingdom on 12 August 1876. Jump up ^ Served as Commons Leader until 21 August 1876. Jump up ^ Served as Lord Keeper from 12 August 1876 to 4 February 1878. Jump up ^ Served as Lords Leader from 21 August 1876. Jump up ^ Served as Chancellor from 16 December 1882. Jump up ^ Served as First Lord from 14 January 1887. Jump up ^ Served as Foreign Secretary from 14 January 1887. Jump up ^ Served as Foreign Secretary until 12 November 1900. Jump up ^ Served as Lord Privy Seal from 12 November 1900. Jump up ^ Served as Secretary of State from 30 March to 5 August 1914. Jump up ^ Served as Chancellor until 27 August 1923. Jump up ^ Served as Commons Leader until 19 February 1942. Jump up ^ Elected to a new constituency in the 1950 general election. Jump up ^ Served as Minister until 20 December 1946. Jump up ^ Served as Minister until 1 March 1952. Jump up ^ Earl of Home until 23 October 1963. Elected MP on 7 November. Jump up ^ Served as Minister from 1 November 1968. Jump up ^ Elected to a new constituency in the February 1974 general election. Citations Jump up ^ Hennessy ( 2001 ), pp. 39 -- 40. ^ Jump up to : Viscount Castlereagh, President of the Board of Control ( 29 April 1805 ). `` Military Commissioners ' Bill ''. Parliamentary Debates ( Hansard ). 4. House of Commons. col. 496. Archived from the original on 22 February 2014. Jump up ^ Sir John Eardley - Wilmot ( 20 March 1885 ). `` Boroughs to Lose One Member ''. Parliamentary Debates ( Hansard ). 296. House of Commons. col. 156 -- 157. Archived from the original on 21 May 2011. Jump up ^ Sir Donald Horne Macfarlane ( 14 April 1885 ). `` Central Asia -- Russia and Afghanistan -- the Russo -- Afghan Frontier -- Russian Advances ''. Parliamentary Debates ( Hansard ). 296. House of Commons. col. 1634 -- 1635. Archived from the original on 21 May 2011. ^ Jump up to : Marriott ( 1923 ), p. 83. Jump up ^ Clarke ( 1999 ), p. 266. Jump up ^ Hennessy ( 2001 ), p. 39. Jump up ^ `` Parties and Prime Ministers ''. BBC News. 19 May 1998. Archived from the original on 18 March 2004. Retrieved 12 October 2008. Jump up ^ Mackay, Robert ( 28 December 1987 ). `` Thatcher longest serving British prime minister ''. United Press International. Retrieved 26 June 2017. Jump up ^ Burt ( 1874 ), p. 106. Jump up ^ Seaman ( 2003 ). Jump up ^ chpt. 4, Royal and Parliamentary Titles Act 1927, 12 April 1927. Retrieved on 3 September 2017. ^ Jump up to : Leonard ( 2010 ), p. 1. ^ Jump up to : Carpenter ( 1992 ), p. 37. Jump up ^ Leonard ( 2010 ), p. 47. ^ Jump up to : Leonard ( 2010 ), p. 65. Jump up ^ `` Prime ministers of the United Kingdom ( 1730 -- 2011 ) ''. Oxford Dictionary of National Biography ( online ed. ). Oxford University Press. ( Subscription or UK public library membership required. ) ^ Jump up to : Chisholm, Hugh, ed. ( 1911 ). `` Treasury ''. Encyclopædia Britannica. 27 ( 11th ed. ). Cambridge University Press. ^ Jump up to : Pollard, Albert ( 1904 ). `` Chapter XIV ''. The Cambridge Modern History. 2. Wikisource. ^ Jump up to : Chisholm, Hugh, ed. ( 1911 ). `` Burghley, William Cecil, Baron ''. Encyclopædia Britannica. 4 ( 11th ed. ). Cambridge University Press. Jump up ^ Chisholm, Hugh, ed. ( 1911 ). `` Salisbury, Robert Cecil, 1st Earl of ''. Encyclopædia Britannica. 24 ( 11th ed. ). Cambridge University Press. Jump up ^ Chapman ( 2002 ). Jump up ^ Stephen, Leslie ( 1890 ). `` Godolphin, Sidney ''. In Stephen, Leslie ; Lee, Sidney. Dictionary of National Biography. 22. London : Smith, Elder & Co. Jump up ^ Fisher Russell Barker, George ( 1890 ). `` Harley, Robert ''. In Stephen, Leslie ; Lee, Sidney. Dictionary of National Biography. 24. London : Smith, Elder & Co. Jump up ^ Morrill, John S. ( 22 January 2014 ). `` Robert Harley, 1st earl of Oxford ''. Encyclopædia Britannica. Encyclopædia Britannica, Inc. Retrieved 5 February 2018. Jump up ^ Chapman ( 2002 ), p. 15. ^ Jump up to : McMullen Rigg, James ( 1899 ). `` Townshend, Charles ''. In Lee, Sidney. Dictionary of National Biography. 57. London : Smith, Elder & Co. ^ Jump up to : Chisholm, Hugh, ed. ( 1911 ). `` Stanhope, Earls ''. Encyclopædia Britannica. 25 ( 11th ed. ). Cambridge University Press. ^ Jump up to : Chisholm, Hugh, ed. ( 1911 ). `` Sunderland, Charles Spencer, 3rd Earl of ''. Encyclopædia Britannica. 26 ( 11th ed. ). Cambridge University Press. Jump up ^ Chisholm, Hugh, ed. ( 1911 ). `` Orford, Robert Walpole, 1st Earl of ''. Encyclopædia Britannica. 20 ( 11th ed. ). Cambridge University Press. Jump up ^ `` First Lord of the Treasury ''. gov.uk. Government of the United Kingdom. Archived from the original on 20 May 2013. Retrieved 3 September 2017. Jump up ^ Pryde ( 1996 ), p. 46. Jump up ^ Pryde ( 1996 ), p. 47. Jump up ^ `` Memoir of His Late Most Gracious Majesty George IV ''. The Lady 's Magazine. 31 January 1830. p. 384. Jump up ^ Eccleshall & Walker ( 2002 ), p. 1. Jump up ^ Eccleshall & Walker ( 2002 ), p. 14. 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Lay summary ( 13 July 2016 ). Bibliography Burt, Llewellyn C. ( 1874 ). A synoptical history of England ( 2nd ed. ). London : Lockwood. Carpenter, Clive, ed. ( 1992 ). The Guinness UK Data Book. Guinness. ISBN 978 - 0 - 85112 - 522 - 0. Chapman, Richard A. ( 31 January 2002 ). `` History : from earliest times to the present day ''. The Treasury in Public Policy - Making. Routledge. ISBN 978 - 1 - 134 - 86426 - 3. Clarke, John ( 1999 ). `` House of Hanover ''. In Fraser, Antonia. The Lives of the Kings & Queens of England. University of California Press ( published February 2000 ). ISBN 978 - 0 - 520 - 22460 - 5. Eccleshall, Robert ; Walker, Graham, eds. ( 1 June 2002 ). Biographical Dictionary of British Prime Ministers. Routledge. ISBN 978 - 1 - 134 - 66230 - 2. Hennessy, Peter ( 5 October 2001 ). `` The Platonic Idea and the Constitutional Deal ''. The Prime Minister : The Office and Its Holders Since 1945. Palgrave Macmillan. ISBN 978 - 0 - 312 - 29313 - 0. Leonard, Dick ( 15 December 2010 ). Eighteenth - Century British Premiers : Walpole to the Younger Pitt. Palgrave Macmillan UK. ISBN 978 - 0 - 230 - 30463 - 5. Marriott, John ( 1923 ). English Political Institutions : An Introductory Study ( 2nd ed. ). Oxford : Clarendon Press. OL 17361473W. Pryde, E.B., ed. ( 1996 ). Handbook of British Chronology. Cambridge University Press. ISBN 978 - 0 - 521 - 56350 - 5. Seaman, L.C.B. ( 2 September 2003 ). `` The Downfall of Lloyd George, 1922 ''. Post-Victorian Britain 1902 -- 1951. Routledge. ISBN 978 - 1 - 134 - 95491 - 9. Further reading Bogdanor, Vernon, ed. ( 2010 ). From New Jerusalem to New Labour : British Prime Ministers from Attlee to Blair. Palgrave Macmillan UK ( published 20 October 2016 ). ISBN 978 - 0 - 230 - 29700 - 5. Browne, J. Houston ( 1858 ). Lives of the Prime Ministers of England : From the Restoration to the Present Time. 1. London : Thomas Cautley Newby. Davidson, Jonathan ( 30 November 2010 ). Downing Street Blues : A History of Depression and Other Mental Afflictions in British Prime Ministers. McFarland. ISBN 978 - 0 - 7864 - 5793 - 9. Grube, Dennis ( 11 October 2013 ). Prime Ministers and Rhetorical Governance. Palgrave Macmillan UK. ISBN 978 - 1 - 137 - 31836 - 7. King, Anthony Stephen, ed. ( 1985 ). The British Prime Minister ( 2nd ed. ). Duke University Press. ISBN 0 - 8223 - 0635 - 2. Leonard, Dick ( 10 July 2008 ). Nineteenth Century Premiers : Pitt to Rosebery. Palgrave Macmillan UK. ISBN 978 - 0 - 230 - 22725 - 5. Parker, Robert J. ( 15 March 2011 ). British Prime Ministers. Amberley Publishing Limited. ISBN 978 - 1 - 4456 - 1242 - 3. Quinault, Roland ( 17 March 2011 ). British Prime Ministers and Democracy : From Disraeli to Blair. Bloomsbury Publishing. ISBN 978 - 1 - 4411 - 1105 - 0. External links `` Past Prime Ministers ''. gov.uk. Government of the United Kingdom. Archived from the original on 25 August 2008. `` Prime Ministers and Politics Timeline ''. BBC History. Archived from the original on 27 May 2011. 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Question: what is the name of england's prime minister
Answer: Theresa May