MPs
- Sir William Griggs December 14, 1918 - August 11, 1920
- Mr Fredric Wise September 25, 1920 - November 15, 1922
- Mr Fredric Wise November 15, 1922 - January 26, 1928
- Major Collingwood Hamilton February 23, 1928 - June 7, 1937
- Sir Geoffrey Hutchinson June 29, 1937 - July 5, 1945