MPs
- Mr Arthur Steel-Maitland December 14, 1918 - November 15, 1922
- Mr Arthur Steel-Maitland November 15, 1922 - May 30, 1929
- Mr Charles Simmons May 30, 1929 - October 27, 1931
- Mr John Eales October 27, 1931 - August 6, 1936
- Group Captain John Wright October 20, 1936 - July 5, 1945
- Mr Julius Silverman July 5, 1945 - May 26, 1955