1791-Yes, date unknown
| Mary HEWISON | |
| B: | 27 Nov 1791 |
| Kirkwall Parish, Orkney | |
| D: | Yes, date unknown |
1794-Yes, date unknown
| Margaret Traill HEWISON | |
| B: | 25 Mar 1794 |
| Kirkwall Parish, Orkney | |
| D: | Yes, date unknown |
1796-Yes, date unknown
| William HEWISON | |
| B: | 6 Nov 1796 |
| Kirkwall Parish, Orkney | |
| D: | Yes, date unknown |
1799-Yes, date unknown
| James Watt HEWISON | |
| B: | 24 Feb 1799 |
| Kirkwall Parish, Orkney | |
| D: | Yes, date unknown |