In Gelling (1998): b 1693 son of John Cosnahan vicar of Santan [CCE7348]; C Santan 1731, V Braddan 30/10/1733-d. 6/1750 aged 57; buried Santan 29/6/1750. Married Anne Corrin and had 6 children, Joseph [CCE7256], Hugh, Ann, James, Catherine (married Samuel Gell CCE7275) and Margaret; vicar general 1731.
| Year | Type | Name as Recorded | Location | Office/Status | Full Record |
|---|---|---|---|---|---|
| 1721 | Appt(Licensing) | Cosnahan, John | Kirk Lonan St Anne / | Curate | View |
| 1721 | Ordi(ordination) | Cosnahan, Jo: | / | priest | View |
| 1721 | Subsc | Cosnahan, Johannes | / | View | |
| 1725 | Appt(Licensing) | Cosnahan, Johannes | St Anne / | Curate | View |
| 1728 | Appt(Licensing) | Cosnahan, John | S Santanus / | Curate | View |
| 1730 | Libc | Cosnahan, | Kirk Santan / | Curate | View |
| 1733 | Subsc | Cosnahan, Johannes | St Brendinus / | Vicar | View |
| 1733 | Subsc | Cosnahan, Johannes | Sodor and Man / | Vicar general | View |
| 1734 | Libc | Cosnahan, John | Kirk Braddan / | Vicar | View |
| 1734 | Libc | Cosnahan, John | Braddan / | Vicar | View |
| 1739 | Libc | Cosnahan, John | Kirk Braddan / | Vicar | View |
| 1740 | Appt(Appointment) | Cosnahan, John | Sodor and Man / | official | View |
| 1744 | Appt(Appointment) | Cosnahan, John | Sodor and Man / | Vicar general | View |