Home» Monastic Sites» Antrim» Drumtullagh Monastery Drumtullagh Monastery Antrim founded 5th century About This Site grange founded 5th century by St Patrick Historical Information Alternative Names: Telagh-Ceneoil-OingusaTulach Other Sites in Antrim Aghnakilla Monastery supposed early monastery dissolved before 11th century Learn More Antrim Monastery Gaelic monks possibly founded by St Comgall of Bangor; plundered 824; plundered 1018; destroyed 1147 Learn More Ardclinis Friary tradition of house of Franciscan Friars, Third Order Regular — evidence lacking Learn More Armoy Monastery supposed early monastery, founded by St Olcan; dissolved before 11th century Learn More