1398–1411) was an Irish scribe of the Ó Cuindlis family of brehons and scholars.
[3][4] He was said to be a native of Bally Lough Deacker (today called Ballaghdacker, in Irish Baile Locha Deacair, in the parish of Athleague, which straddles north Galway and south Roscommon).
[5] Ó Cuindlis was one of the scribes of the Leabhar Mór Leacáin ('Great Book of Lecan'), c. 1397–1418, under the guidance of Giolla Íosa Mor mac Donnchadh MacFhirbhisigh.
[5] He is also credited with a third work, c. 1400, known as An Leabhar Ruadh Muimhneach ('The Red Book of Munster') or An Leabhar Ruadh ('The Red Book'), a genealogical work from which material was copied in 1621 by Mícheál Ó Cléirigh at Quin Friary, possibly examined in the 1630s by Antonius Bruodinus at the library of Moynoe,[3][2] and last seen (by Ó Cléirigh again) on 30 June 1634 at a convent in Thomond (County Limerick).
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