| Caernarfon 1735 - 1799 | |||
| 9 executions have been traced | |||
| There were no executions in the unlisted years | |||
| Hangings were carried out at Morfa Seiont, near Caernarfon | |||
| Session | Name | Crime | Execution date |
| 1743 | |||
| Spring | John Roberts | Murder of William Morgan | F 22 April |
| " | Hugh Bedward | Murder of William Morgan | F 22 April |
| Hanged in chains on Twllhely Marsh | |||
| 1751 | |||
| Spring | Evan Thomas | Murder of his wife, Rebecca | Th. 2 May |
| 1758 | |||
| Spring | Richard David | Housebreaking | ??/May |
| John Rowland | Housebreaking | ??/May | |
| 1764 | |||
| Spring | John Thomas | At large | W 2 or S 19 May |
| 1774 | |||
| Tu 30 August | Margaret Williams | Murder William Williams (age 6) | Unknown |
| 1778 | |||
| S 18 April | Morris Rowlands | Murder William Williams | S 25 April |
| Hanged at Morfa Hallt and gibbeted at Dalar Hir. | |||
| 1789 | |||
| M 13 April | William Hughes | Burglary | Unknown |