Johannes Ó Corcráin,G Catholic OSB"The Transformation of the Irish Church in the Twelfth and Thirteenth Centuries" Flanagan, M.T. p 295: Woodbridge; Boydell; 2010 (sometimes Anglicised as John O'Corcoran) was a bishop in Ireland during the 14th 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 Appointed by Pope Gregory XI in 1373,"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 he held the See until 1389."Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 3" Cotton, H. p 76 Dublin, Hodges & Smith, 1848–1878

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