Oldcastle
| Estate(s) | |
|---|---|
| Townland | Oldcastle |
| Civil Parish | Meelick |
| PLU | Swineford |
| DED | Meelick 120 |
| County | Mayo |
| Barony | Gallen |
| Description | Built by the McJordans of Ballylahan in the late 18th century. Slater refers to it as the seat of John Bolingbroke in 1846. There are modern buildings at the site now. |
