1869 - 1947 (78 years)
 | Dr Douglas F Gibb 1896-1945 |
| Dr Douglas F Gibb | |
| B: | 1896 |
| D: | 1945 |
| David McAllister Gibb 1900-1902 |
| David McAllister Gibb | |
| B: | 16 Jul 1900 |
| D: | 27 Apr 1902 |
| James Gibb 1902- |
| James Gibb | |
| B: | 1902 |
|
| Janet Johnson 1869-1947 |
| Janet Johnson | |
| B: | 1869 |
| D: | 1947 |
| Robert A Gibb 1861-1950 |
| Robert A Gibb | |
| B: | 1861 |
| D: | 1950 |
