Máel Ísu mac in Chléirig Chuirr was a medieval Irish bishop:A Century of Irish Illumination (1070-1170) Françoise Henry and G. L. Marsh-Micheli Proceedings of the Royal Irish Academy: Archaeology, Culture, History, Literature Vol. 62 (1961 - 1963), pp. 101-166 (110 pages) Published By: Royal Irish Academy he was Bishop of Down from 1149 until his death in 1175. He was present at the Synod of Kells.
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