Past elected presidents of the Oxford Union are listed below, with their college and the year/term in which they served.
Iterum indicates that a person was serving a second term as president (which is not possible under the current Union rules).
Harold Macmillan was Secretary of the Union in Hilary 1914, then Junior Treasurer (elected unopposed, which was then very unusual) in Trinity 1914; but for the war he would "almost certainly" have been President.
[156] Roy Jenkins served as Librarian and Secretary and lost two Presidential elections.
[160][161] Jacob Rees-Mogg was Librarian in 1990, losing the election for the presidency to future Education Secretary Damian Hinds.