Donnchadh Ó Dubhda () was King of Ui Fiachrach Muaidhe.
Life
Donnchadh is almost wholly known from , which says of him: Donnchadh Ó Dubhda [came] with a fleet of fifty-six ships from Innse Gall and came ashore in Inis Raithin among Inse Modh in Umhall, and he seized his own land free of tribute from Cathal Crobhdearg Ua Conchobair.
Genealogy
Dubhaltach Mac Fhirbhisigh gives what appears to be his genealogy (265.2, pp. 598–99, volume I): /
At 265.5 (pp. 600–601), Mac Fhirbhisigh gives the genealogy of another Donnchadh Mór, son of Taichleach O Dubhda, as having three sons; Donnchach Og, royal candidate of Ui Fhiachrach, Conchabhar, and Uilliam, bishop of Ceall Aladh (Kilalla), stating that the daughter of O Floinn was mother of those sons of Donnchadh Mor.
External links Annals of the Four Masters
References The History of Mayo, Hubert T. Knox, p. 379, 1908. Genealach Ua fFiachrach Muaidhe, 263.8 (pp. 596–97), 264.5 (pp. 598–99); Araile do fhlathaibh Ua nDubhda/Some of the princes of Ui Dhubhda, pp. 676–681; Leabhar na nGenealach:The Great Book of Irish Genealogies, Dubhaltach Mac Fhirbhisigh (died 1671), eag. Nollaig Ó Muraíle, 2004–05, De Burca, Dublin.