MPs
- Mr John Dennis December 14, 1918 - November 15, 1922
- Sir Smedley Crooke November 15, 1922 - May 30, 1929
- Mr Fred Longden May 30, 1929 - October 27, 1931
- Sir Smedley Crooke October 27, 1931 - July 5, 1945
- Mr Fred Longden July 26, 1945 - February 23, 1950