Moriertach Magenis was a priest in Ireland during the 15th century."A New History of Ireland" T. W. Moody, F. X. Martin, F.J. Byrne and Cosgrove, A: Oxford, OUP, 1976
The Incumbent at Derryvullan,"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. p6: Enniskille; R.H. Ritchie; 1929 he was Archdeacon of Clogher"Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 3" Cotton, H. p90 Dublin, Hodges & Smith, 1848-1878 until his death on 18 February 1441.
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