Records of Prime Ministers of the United Kingdom Wilmington to Theresa May) University college with most alumni Prime MinistersChrist Church, Oxford13 (George Grenville to Sir Alec Douglas-Home) Vocational institution with most Prime Ministers as studentsThe Inns of Court11 (Lord Wilmington to Tony Blair). Of these, eight passed through Lincoln's Inn (William Pitt the Younger to Tony Blair). The first Prime Minister never to have been a university graduate was the Duke of Devonshire (served 1756–57), the last (as of ) was John Major (served 1990–97). The earliest Prime Minister to be an armed forces veteran was Henry Pelham, Prime Minister in 1743–54, who had served as a volunteer
Records of Prime Ministers of the United Kingdom April 1770) was 67 days senior to Lord Liverpool (born 7 June 1770), whom he succeeded after Liverpool retired in 1827. Canning and Liverpool were one of four pairs of immediately consecutive Prime Ministers who shared a same birth year, the others being: The decade of the 1730s was the most productive for births of five future Prime MinistersLord Rockingham (born 1730, served 1765–66 and 1782), Lord North (born 1732, served 1770–82), the Duke of Grafton (born 1735, served 1768–70), Lord Shelburne (born 1737, served 1782–83) and the Duke of Portland (1738, served 1783 and 1807–09). The longest-lived Prime Minister