His will (TNA PROB 11/760/201) of 1748 states that it is the will of John Masson alias Mason, rector of Aswarby, and that he is the uncle of John Stephen Masson or Mason, vicar of Swaton, Lincs (son of his brother Samuel). John was probably born in 1666 (Archives de Charente-Maritime - Registres paroissiaux et d'état civil Cozes). Information supplied by by Marcia Watson 8 June 2016. His ordination records state that he is from France (Gallus).
| Year | Type | Name as Recorded | Location | Office/Status | Full Record |
|---|---|---|---|---|---|
| 1695 | Ordi(ordination) | Masson, Johannes | / | deacon | View |
| 1695 | Ordi(ordination) | Masson, Johannes | / | priest | View |
| 1714 | Appt(Institution) | Mason, Johannes | Aswarby / | Rector | View |
| 1724 | Appt(Institution) | Masson, Johannes | Poterhanworth / | Rector | View |
| 1747 | Vac(Death) | Unknown, | Poterhanworth / | Rector | View |
| 1748 | Vac(Death) | Mason, | Aswarby / | Rector | View |