Ballydonnellan Castle
| Estate(s) | |
|---|---|
| Townland | Ballydonnellan East |
| Civil Parish | Killalaghtan |
| PLU | Ballinasloe |
| DED | Killoran 13 |
| County | Galway |
| Barony | Kilconnell |
| Description | At the time of Griffith's Valuation, Ballydonnellan Castle was occupied by John D. Mahon and was valued at £62. It was still extant in the 1890s but is described as "in ruins" on the 1933 edition of 6" map. These ruins are still visible. |