In Gelling (1998): D 20/9/1747; V Braddan 4/10/1750 to d. 9/1768 aged 43; buried Santan 22/9/1768. Married Margaret Caesar who d. 2/1760 leaving son Julius [CCE7257] and 3 daughters, Margaret and Ann (twins) and Jane; 22/7/1760 m Ellinor daughter of Robert Radcliffe in Bishopscourt chapel. "The apparent haste of his second marriage was no doubt due to his needing a mother for his children."
Sone of John [CCE7255]
| Year | Type | Name as Recorded | Location | Office/Status | Full Record |
|---|---|---|---|---|---|
| 1747 | Ordi(ordination) | Cosnahan, Joseph | / | deacon | View |
| 1747 | Ordi(candidate for ordination) | Cosnahan, Joseph | / | deacon | View |
| 1747 | Subsc | Cosnahan, Josephus | / | View | |
| 1750 | Ordi(ordination) | Cosnahan, Joseph | / | priest | View |
| 1750 | Ordi(candidate for ordination) | Cosnahan, Joseph | / | priest | View |
| 1750 | Subsc | Cosnahan, Josephus | / | View | |
| 1750 | Appt(Collation) | Cosnahan, Joseph | Braddan / | Vicar | View |
| 1754 | Libc | Cosnahan, Joseph | Braddan / | Vicar | View |
| 1756 | Libc | Cosnahan, Joseph | / | View | |
| 1757 | Libc | Cosnahan, Joseph | / | View | |
| 1757 | Libc | Cosnahan, Joseph | Braddan / | Vicar | View |
| 1758 | Libc | Cosnahan, Joseph | / | View | |
| 1759 | Libc | Cosnahan, Joseph | / | View | |
| 1760 | Libc | Cosnahan, Joseph | / | View | |
| 1761 | Libc | Cosnahan, Joseph | Braddan / | Vicar | View |
| 1761 | Libc | Cosnahan, Joseph | / | View | |
| 1762 | Libc | Cosnahan, Joseph | / | View | |
| 1763 | Libc | Cosnahan, Joseph | / | View | |
| 1764 | Libc | Cosnahan, Joseph | / | View | |
| 1765 | Libc | Cosnahan, Joseph | / | View | |
| 1766 | Libc | Cosnahan, Joseph | Braddan / | Vicar | View |
| 1766 | Libc | Cosnahan, Joseph | / | View | |
| 1767 | Libc | Cosnahan, Joseph | / | View | |
| 1768 | Vac(Death) | Cosnahan, Joseph | Kirk Braddon / | Vicar | View |
| 1768 | Libc | Cosnahan, joseph | / | View |