Brian Mac Cathmhaoi was a priest in Ireland during the mid 14th century."A New History of Ireland" T. W. Moody, F. X. Martin, F.J. Byrne and Cosgrove, A: Oxford, OUP, 1976
The Archdeacon of Clogher,"Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 3" Cotton, H. p90 Dublin, Hodges & Smith, 1848-1878 in 1356 he became Bishop of Clogher. He died of the plague in 1361"Clogher clergy and parishes : being an account of the clergy of the Church of Ireland in the Diocese of Clogher, from the earliest period, with historical notices of the several parishes, churches, etc" Leslie, J.B. p5: Enniskille; R.H. Ritchie; 1929
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