16 confirmed executions and 1 probable one have been traced. Executions were carried out Cardiff unless otherwise stated. There were no executions in the unlisted years. Catherine Griffith was the first woman to be hanged in Glamorgan since 1588.
| Session | Name | Crime | Execution date | |
| 1755 – 1 execution | ||||
| Tu 19 August | Josiah Hugh | Murder of Mary Rees | W 10 September | |
| Hanged in chains near to the place of the murder, in the parish of Penmark | ||||
| 1757 – 1 execution | ||||
| W 30 March | Edward Morgan | Murder of Jane Rees | W 6 April | |
| Hanged in chains on Eglwysilan common | ||||
| 1760 – 1 execution | ||||
| W 9 April | Francis Roper | Murder of Jane John | Tu 15 April | |
| Hanged in chains near to the murder site at Llantwit | ||||
| 1761 – 1 execution | ||||
| Tu 4 August | Robert Williams | Murder of John Bartlett | M 10 August | |
| Hanged in chains near to the murder site at Swansea | ||||
| 1770 – 1 execution | ||||
| S 14 April | Henry Thomas | Murder of Watkin Thomas | F 20 April | |
| Hanged at Stalling Down, Cowbridge | ||||
| 1778 – 1 execution | ||||
| S 22 August | Thomas Arthur | Murder of Joan Watkin | F 28 August | |
| Hanged at Stalling Down, afterwards in chains on Monydd Buchan | ||||
| 1786 – 2 executions | ||||
| S 15 April | John Thomas Hary | Burglary | W 10 May | |
| S 19 August | Hopkin Owen | Horse theft | W 13 September | |
| Hanged at Stalling Down, Cowbridge | ||||
| 1787 – 2 executions | ||||
| S 14 April | William Owen | Murder of Mary Harris | F 20 April | |
| “ | Cornelius Gorton | Murder of his wife, Ann | F 20 April | |
| Hanged at Stalling Down, Cowbridge | ||||
| 1789 – 2 executions | ||||
| W 1 April | David William Water | Sheep theft | W 29 April | |
| “ | John Edward | Sheep theft | W 29 April | |
| Hanged at Little Heath, Cardiff | ||||
| 1791 – 2 executions | ||||
| S 3 September | Henry Johns | Burglary | F 7 October | |
| “ | Catherine Griffith | Burglary | F 7 October | |
| 1795 – 1 probable execution | ||||
| Tu 24 March | John Hugh | Sheep theft | Eo S 25 April | |
| 1797 – 1 execution | ||||
| S 2 September | Josiah Jones | Horse theft | ??/October | |
| 1799 – 1 execution | ||||
| S 23 March | John Webborn | Murder William Thomas (8) | F 29 March | |
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