| Year | Type | Name as Recorded | Location | Office/Status | Full Record |
|---|---|---|---|---|---|
| 1786 | Appt(Subscription on Appointment) | Williams, John | Llanrwst / | Lecturer | View |
| 1786 | Appt(Subscription on Appointment) | Williams, John | Llanrwst Free School / | Schoolmaster | View |
| 1786 | Appt | Williams, John | Llanrwst / | Lecturer | View |
| 1787 | Appt(Licensing) | Williams, John | Llanrwst / | Schoolmaster | View |
| 1791 | Libc | Williams, John | Llanrwst / | Lecturer | View |
| 1791 | Libc | Williams, John | Llanrwst / | Schoolmaster | View |