| Year | Name |
| 1899 - 1919 | |
| 1919 - 1925 | |
| 1925 - 1928 | |
| 1928 - 1933 | |
| 1933 - 1937 | |
| 1937 - 1940 | |
| 1944 - 1954 | |
| 1954 - 1959 | |
| 1959 - 1965 | |
| 1965 (Caretaker) | |
| 1965 - 1968 | |
| 1968 - 1972 | |
| 1972 - 1977 | |
| 1977 - 1980 | |
| 1980 - 1984 | |
| 1984 - 1986 | |
| 1986 - 1988 | |
| | Year | Name |
| 1988 - 1989 | |
| 1989 - 1991 | |
| 1991 (Caretaker) | |
| 1991 - 1992 | |
| 1992 - 1993 | |
| 1993 - 1996 | |
| 1997 - 1998 | |
| 1998 - 2000 | |
| 2000 - 2002 | |
| 2002 - 2005 | |
| 2005 - 2006 | |
| 2006 - 2008 | |
| 2008 (Caretaker) | |
| 2008 - 2010 | |
| 2010 | |
| 2010 - 2011 (Caretaker) | |
|