1715 - 1775 (60 years)
 | ??? COLHOUN 1734-1734 |
| ??? COLHOUN | |
| B: | 1734 |
| D: | 1734 |
| inf. | |
| James COLQUHOUN 1735-1816 |
| James COLQUHOUN | |
| B: | 1735 |
| Rush Hill, Ire. | |
| D: | 1816 |
| Bath, Somerset, England | |
| Anna COLHOUN 1742-1784 |
| Anna COLHOUN | |
| B: | 1742 |
| Rush Hill, Ire. | |
| D: | 12 Nov 1784 |
| Alexander COLHOUN (COLQUHOUN), III | |
| B: | 1743 |
| County Tyrone, Northern Ireland | |
| D: | County Tyrone, Northern Ireland |
| William COLHOUN 1745-1785 |
| William COLHOUN | |
| B: | 1745 |
| Rush Hill, Ire. | |
| D: | 12 Nov 1785 |
| John COLHOUN 1748-Yes, date unknown |
| John COLHOUN | |
| B: | 1748 |
| Rush Hill, Ire. | |
| D: | Yes, date unknown |
| Charles COLHOUN 1752-1822 |
| Charles COLHOUN | |
| B: | 1752 |
| Rush Hill, Ire. | |
| D: | 9 Nov 1822 |
| Margaret COLHOUN (COLQUHOUN) 1715-1775 |
| Margaret COLHOUN (COLQUHOUN) | |
| B: | 1715 |
| Enniskillen, County Fermanagh, Northern Ireland | |
| D: | 17 Apr 1775 |
| Sixmilecross, County Tyrone, Northern Ireland | |
 | Alexander COLQUHOUN 1705-1788 |
| Alexander COLQUHOUN | |
| B: | 1705 |
| Crosh House, Ardstraw, Strabane, Tyrone, Ireland | |
| M: | 1733 |
| D: | 7 Nov 1788 |
| Tyrone, Tyrone, Ireland | |
