 Augustinian Abbey of St. Mary de Petra, erected in the 13th century | |
  Location within Ireland | |
| Monastery information | |
|---|---|
| Established | 7th century |
| Diocese | Kilmacduagh |
| People | |
| Founder(s) | reportedly Colman MacDuagh |
| Architecture | |
| Status | ruined |
| Heritage designation | National Monument No. 51 |
| Groundbreaking | original structures 7th century |
| Site | |
| Location | near Gort, County Galway, Ireland |
| Coordinates | 53°02′58″N 8°53′15″W / 53.049444°N 8.8875°W |
| Public access | yes |
| Official name | Kilmacduagh |
| Reference no. | 51 |
Kilmacduagh Monastery is a ruined abbey near the town of Gort in County Galway, Ireland. It was the birthplace of the Diocese of Kilmacduagh. It was reportedly founded by Saint Colman, son of Duagh in the 7th century, on land given him by his cousin King Guaire Aidne mac Colmáin of Connacht.