County Offaly

Early monastic site, founded before 573 by St Brendan of Birr; plundered by the men of Dublin 842; burned 1167

Founded 6th century

Franciscan Friars purportedly founded c.1595 by the Lord Deputy, Sir William Russell, who took Cloghan Castle from O’Madden — dubious

Augustinian Canons Regular — Arroasian? founded 12th century separate from the cathedral (see immediately above); dissolution date unknown — later abbots (up to 1384) may have been titular

Early monastic site, nuns founded before 1026; Augustinian nuns — Arroasian; dependent on Clonard; refounded c.1144? by Devorghilla, daughter of Murchad O Melaghlin; St Mary’s church rebuilt dependent on Kilcreevanty…

Early monastic site; diocesan cathedral 1111; Augustinian Canons Regular founded after 1140; Augustinian Canons Regular — Arroasian? refounded? c.1144; dissolved c.1268; secular college founded 1459;; dissolved 1568

Early monastic site, founded late 7th century by St Bearchan

Early monastic site, not yet identified, possibly located in County Offaly

Possible chapel or cell of Rahan, possibly founded by St Carthag

Early monastic site, possibly founded c.450 by St Trian, disciple of St Patrick possibly located in County Offaly, site near the River Brosna, possibly near Clonmacnois

Early monastic site, founded before 490/492

Early monastic site, founded before 591, also given located in County Westmeath

Early monastic site, founded 556 or 565 by St Colmcille, site granted by Aedh mac Brendain, King of Tethba; burned 1095; Augustinian Canons Regular probable double monastery with Durrow Priory…

Augustinian nuns — Arroasian dependent on Clonard; probable double monastery with Durrow Abbey (see immediately above); founded after 1144? by Murchad O’Melaghlin, possibly at the instance of St Malachy; dissolved…

Nuns (order unknown) founded 13th century? by Matilda de Lacy; dissolution unknonwn

Founded 5th century by St Canoc; Augustinian Canons Regular founded c.1140-8; Augustinian Canons Regular — Arroasian? possibly adopted at the instance of St Malachy; ruined 1519; plundered 1531 and 1548;…

Early monastic site, founded 583, possibly by St Abban, possibly located in County Offaly

Early monastic site, founded by St Colgan son of Kellach

Early monastic site, founded by St Colman Niger (possibly Colman of Duir-mor)

Early monastic site, founded before 669