O'Leary

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Abstract is: The Uí Laoghaire clan, today associated with the Uibh Laoghaire parish in County Cork, is considered by scholars to have originated in the early Middle Ages on the south-west coast, in the area of Ros Ó gCairbre (Rosscarbery), of which the O'Leary were hereditary lords. The Annals of Innisfallen (Dublin copy) records St. Fachtna's (Saint Fachanan) death in 600 AD as occurring in "O'Laeghaire of Ross i.e. Corca Laidhe-I-Laeghaire Ruis". The clan traces its lineage to Lugaid Mac Con, an ancient King of Tara and High King of Ireland, and descendant of Dáire Doimthech. In the 12th century the O'Leary's were recognised hereditary wardens of St Fachtna's monastery and seat of higher learning, the School of Ross. In more recent times (since 1300 AD), the clan, of the Corcu Loígde, was pushed north and settled in an area south of Macroom around Inchigeelagh on the River Lee called (or in modern Irish – the 'gh' is silent in the old Irish). The Corcu Loígde were the rulers of Munster, and of territories beyond the province, before the rise of the Eóganachta in the 7th century. The port of Dún Laoghaire, near Dublin is not associated with the O'Leary sept(s), rather it is named for Lóegaire mac Néill, a 5th-century High King of Ireland. The book of Lecan (A.D. 1397-A.D. 1418) details the early status of O'Leary as a Corco Laide taisach duchusa (hereditary chieftain) in the tuath of Ross (Ruis), with associated families: Tuath Ruis .i. Tuath in Dolaich, o Loch in Bricin co Faid Ruis -, o Thraig Long co Sid na Fear (i) Find. O Leagaire a taisach duchusa. Is iad so an oclaid duchusa .i. O Ruaidri -, O Lonan -, O Laidid -, O Torpa -, O hUrmoltaich -, O Mirin -, O Meic Dairic -, O Tuaraide -, O Trena -, O hUainidi -, O Cerdin The name also occurs in the Cineal Laoghaire branch of the Eoghanacht dynasty which later came to dominate Munster. With the unrelated Corco Laidhe and Eoghanacht branches of O'Learys settling in north-west Cork and nearby Kerry respectively, the tracing of lineage is complex.

Wikimedia Commons category is O'Leary (surname)

O'Leary is …