Muircheartach mac Murchadha Ó Briain
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Muircheartach mac Murchadha Ó Briain also recorded as Maurice O'Brien or in Latin as Mauricius[1] was an Irish Roman Catholic clergyman in the late 15th and early 16th centuries:[2] he was appointed Bishop of Kilfenora on 12 December 1491[3] with the Papal bulls being expediated on 26 August 1492.[4]
