| Year | Type | Name as Recorded | Location | Office/Status | Full Record |
|---|---|---|---|---|---|
| 1775 | Ordi(ordination) | Williams, John | / | deacon | View |
| 1775 | Appt(Licensing) | Williams, John | Aberffraw / | Curate | View |
| 1775 | Subsc | Williams, John | Aberffraw / | Curate | View |
| 1780 | Ordi(ordination) | Williams, John | / | priest | View |
| 1780 | Appt(Licensing) | Williams, John | Llanfachreth / | Curate | View |
| 1780 | Subsc | Williams, John | Llanfachreth / | Curate | View |