| Period | Incumbent |
| 1912 to 1924 | Fairbridge, Kingsley Oglivie |
| 1924 | Armitage, Herbert (Acting) |
| 1924 | Giles, Cecil (Acting) |
| 1925 to 1926 | Hanlin, Reverend Frank |
| 1927 | Giles, Cecil (Acting) |
| 1928 (May) to 1935 | Heath, Colonel Sidney John |
| 1935 | Proctor, Reverend Kenneth S. (Acting) |
| 1936 | Heath, Colonel Sidney John |
| 1936 (May) to 1937 (September) | Paterson, A. Dallas |
| 1937 (October) to 1938 | Watson, Canon Walter H. (Acting) |
| 1938 (July) to 1939 (February) | Massey, J.T. |
| 1939 (March) to 1942 | Watson, Canon. Walter H. (Acting) |
| 1942 (October) to 1943 (June) | Goulder, R.J.H. (Acting) |
| 1943 (June) to 1948 | Grant, C.P. (Acting) |
| 1948 to 1950 (December) | Mein, Wilfred Gordon |
| 1950 (December) to 1952 (March) | Healy, Edward S. (Acting) |
| 1952 (March) to 1957 (June) | Ball, A.E. |
| 1957 (June) to 1963 (January) | Allan, H.R.M. |
| 1963 (February) to 1963 (June) | Brayn, Thos. H. (Acting) |
| 1963 (June) to 1975 (July) | Brayn, Thos. H. |
| 1964 (November) | Steele, Alfred F. (Acting) |
| 1975 (July) to 1975 (October) | Line, John A. (Acting) |
| 1975 (October) to 1981 | Line, John A. |