Past County Grand Masters
| Incumbent | Private Lodge Number | From | To |
| Rt.Wor. Bro. Robert Waring | 1863 | 1870 | |
| Rt. Wor. Bro. William John Johnston M.P | L.O.L No 7 | 1871 | 1875 |
| Rt. Wor.Bro. William McCormick | 1876 | 1877 | |
| Rt. Wor. Bro. William John Johnston M.P | L.O.L No 7 | 1878 | 1879 |
| Rt. Wor. Bro. Edward DeCobain M.P | L.O.L 1970 | 1879 | 1883 |
| Rt. Wor. Bro. Revd. Richard Rutledge Kane | L.O.L No 154 | 1884 | 1898 |
| Rt. Wor. Bro. The Rt. Hon. Lord Farnham | L.O.L No 444 | 1899 | 1900 |
| Rt. Wor. Bro. The Rt. Hon. Colonel Saunderson DL, M.P | L.O.L No 444 | 1901 | 1902 |
| Rt. Wor. Bro. Colonel Robert H. Wallace CB, DL | L.O.L No 7 | 1903 | 1920 |
| Rt. Wor. Bro. Senator Joseph Cunningham | L.O.L 1200 | 1948 | 19949 |
| Rt. Wor. Bro. Revd. Canon Loius W. Crooks M.A | L.O.L No 819 | 1950 | 1956 |
| Rt. Wor. Bro. John Bryans J.P | L.O.L No 1311 | 1958 | 1969 |
| Rt. Wor. Bro. Revd William Martin Smyth BA, BD, MP | L.O.L No 497 | 1970 | 1973 |
| Rt. Wor. Bro. Thomas Passmore J.P | L.O.L No 924 | 1974 | 1984 |
| Rt. Wor. Bro. John McCrea J.P | L.O.L No 1053 | 1985 | 1994 |
| Rt. Wor. Bro. Robert S. Saulters | L.O.L No 974 | 1995 | 1999 |
| Rt. Wor. Bro. Dawson Baille | L.O.L No 1990 | 2000 | 2009 |
| Rt. Wor. Bro. Thomas R. Haire | L.O.L No 747 | 2010 | 2012 |