Clogher Abbey — St Macarten’s Cathedral

Early monastic site, founded 5th century by St Patrick; episcopal diocesan cathedral 1111; Augustinian Canons Regular founded after 1135; Augustinian Canons Regular — Arroasian adopted after 1140; see transferred to Louth c.1138; transferred to new site (see immediately above) before 1183; see returned 1192; CI episcopal diocesan cathedral from 8 August 1542