Ó Madáin

Rev Patrick Woulfe
1923

Ó MADÁIN—IO Maddane, O Madden, Madden; 'descendant of Madadhán' (diminutive of madadh, a dog); older form Ó Madadháin, now generally Ó Madaidhín, which see, with variants Ó Madaidh and Ó Madagáin, which see; the name of a distinguished branch of the Ui Maine in Co. Galway, who derive their descent from Madadhán (slain in 1008), who was son of Gadhra Mor, chief of Ui Maine from 1014 to 1027, and are of the same stock as the O'Kellys, with whom they originally formed one clan—the Ui Maine. About the middle of the 11th century, Siol nAnmchadha, a sub-division of the Ui Maine, became independent, and from that period down to the middle of the 17th century the chieftaincy of Siol nAnmchadha continued in almost unbroken succession in the family of O'Madden. The clan-lands, which in accordance with Irish usage were named from the clan, comprised the barony of Longford, in the south-east of Co. Galway, and the parish of Lusnagh, on the other side of the Shannon, in the present Offaly. Many distinguished chiefs of the name are mentioned in the Irish annals. In 1612, Donal O'Madden, 'captain of his nation,' settled his manor and castle of Longford and all his other estates in Co. Galway on his son and heir, Anmchadh, or Ambrose, O'Madden, in tail male. Ambrose died in 1637, and was succeeded by his son, John O'Madden. John's property was confiscated after the Cromwellian wars, but was in part restored in 1677 by grant under the Act of Settlement. Five of the name were attainted in 1691. The O'Maddens of Co. Antrim (formerly called O Maddegane) are probably a distinct family. On the other hand, there is reason to believe that the Anglo-Irish family of Madden, formerly of Baggotrath, near Dublin, is a branch of the O'Maddens of Siol nAnmchadha.

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