Máine Mór
Irish king
About Máine Mór
Máine Mór mac Eochaidh (fl. 4th century) was the founder of the kingdom of Uí Maine.
Biography
Máine Mór descended from Colla da Chrioch of Oirghialla/Oriel, Máine Mór, his father Eochaidh Ferdaghiall and his two sons Breasal and Amhlaibh, travelled to Connacht to seek new lands. They attacked the lands of the local king, Cian d'Fhearaibh Bolg, king of the Fir Bolg (see Soghain and Senchineoil), amongst the other minor tribes and with the intervention of Grellan, settled in the land. In return, the Uí Maine would evermore pay tribute to Grellan, who became the dynasty's patron saint.
Maine Mór reigned for fifty years, and is the ancestor of the following families: Lally, hUallacháin, Madden, Kelly, Fallon, Neachtain, Threinfhir, and others.
He was succeeded by his surviving son, Breasal mac Maine Mór, who ruled for thirty years.
Notable descendants
Tadhg Mór Ua Cellaigh (d. 1014), the first O'Kelly Madudan Reamhar Ua Madadhan, Chief of Síol Anmchadha, 1069-1096 Giolla Finn Mac Uallacháin King of Síol Anmchadha, 1096-1101 Seán Ó Maolalaidh (fl. 1419–1480), Chief of the Name Feardorcha Ó Cellaigh, 68th and last king of Uí Maine, 43rd Chief of the Name, fl. 1584-after 1611 Samuel Madden (1686-1765), author Thomas Arthur, comte de Lally, baron de Tollendal (January 1702 – 1766), French general Thomas J. Kelly (Irish nationalist) (d. 1908), Irish revolutionary and USA soldier Arthur Colahan (died 1952), composer of the song "Galway Bay"
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Important facts
Frequently asked questions
Who was Máine Mór?
Irish king
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Máine Mór. https://biography.guide/maine-mor/
MLA: "Máine Mór." Biography.guide, https://biography.guide/maine-mor/.
Chicago: "Máine Mór." Biography.guide. https://biography.guide/maine-mor/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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