MPs
- Sir William Adkins December 14, 1918 - November 15, 1922
- Sir William Adkins November 15, 1922 - December 6, 1923
- Sir Alexander Stewart-Sandeman December 6, 1923 - April 23, 1940
- Major Ernest Gates May 22, 1940 - October 25, 1951
- Sir John Barlow October 25, 1951 - March 31, 1966
- Mr Denis Coe March 31, 1966 - June 18, 1970
- Sir Alan Haselhurst June 18, 1970 - February 28, 1974
- Mr James Callaghan February 28, 1974 - June 9, 1983