Gilla Tigernaig Mac Gilla Rónáin,G Catholic an Augustinian, was a bishop in Ireland during the 13th century:"Fryde, E. B.; Greenway, D. E.; Porter, S.; Roy, I., eds. (1986). Handbook of British Chronology (3rd, reprinted 2003 ed.). p 338 Cambridge: CUP He was Bishop of Clogher"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. p 5: Enniskille; R. H. Ritchie; 1929 until his death in 1218."Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 3" Cotton, H. p 76 Dublin, Hodges & Smith, 1848–1878
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