Harold Wilson wurde am 11 März 1916 in Huddersfield, Yorkshire, England, UK geboren. Er war mit Mary Wilson verheiratet. Er starb am 24 Mai 1995 in Lambeth, London, England, UK.
He was the Prime Minister of the United Kingdom from 1964 to 1970, and again from 1974 to 1976. He was the third Labour leader to become prime minister (after Ramsay MacDonald and Clement Attlee). He is one of only three Labour leaders (the others being Clement Attlee and Tony Blair) to win a general election since the Second World War (the other two post-war Labour prime ministers, James Callaghan and Gordon Brown, only lost general elections).