Texas Not to be confused with Donnchad Ó Flaithbertaig. Donatus was Bishop of Killala from 1235.[1] References ^ Fryde, E.B.; Greenway, D.E. (1996). Handbook of British chronology. Cambridge UP. p. 359. ISBN 978-0-521-56350-5. Catholic Church titles Preceded byAengus Ó Máel Fogmair Bishop of Killala 1235–? Succeeded bySeoán Ó Laidig