| Born | e1692 |
| Married | ? |
| Died | e1762 |
| Burial | ? |
Described as an Executor to the Will and Brother (in-law) of Hugh Crawford. There is a strong implication (although no conclusive evidence) that John Purviance's sister was married to Hugh Crawford.
| Children | ? |
| Spouse | ? |
| Siblings | ? Anon F Purviance (e1694-e1764) ? |
| Parents | Anon M Purviance (e1667-e1727) |