Home» Monastic Sites» Longford» Kilmodain Monastery Kilmodain Monastery Longford Early Irish Early Christian Ruins About This Site Early monastic site Historical Information Alternative Names: Abbey of St ModanCell-muadainKilmahon Other Sites in Longford Abbeyderg Abbey Augustinian Canons Regular founded before 1216 (during the reign of King John) probably by Gormgall O'Quinn; raised to abbey status… Learn More Abbeyderg Holy Well At the base of a S-facing hillside adjacent to an E–W valley floor. This well is depicted on the Down… Learn More Abbeylara Abbey Cistercian monks — from St Mary's, Dublin founded c.1210 by Sir Richard Tuit; colonised 1214; dissolved 1540 Learn More Abbeylara Holy Well On low-lying ground, at the WNW end of Abbeylara village. Farrell (1891, 266) recorded that there was possibly ‘a sacred… Learn More