Ó Gadhra
Ó Gadhra or O'Gara is an Irish surname which originated in the kingdom of Luighne Connacht. Variants include Garry, Geary, Gerry, and Guiry.Background
The first O'Garas were descendants of the Gailenga people. Their descendants were located in Sliabh Lugha, the southern part of the territory ruled by the Kings of Luighne Connacht.
In the 13th century they were expelled from the area and moved to Cul Ui Fionn, later known as the barony of Coolavin, County Sligo.Notable bearers of the name
- Domhnall mac Gadhra, King of Luighne Connacht, died 931.
- Toichleach Ua Gadhra, King of Gailenga, died 964.
- Donn Sléibhe Ua Gadhra, King of Sliabh Lugha, died 1181.
- Ruaidrí Ó Gadhra, last King of Sliabh Lugha, died 1256.
- Ruaidri Ó Gadhra, Irish lord, died 1285.
- Fearghal Ó Gadhra, lord of Coolavin, patron of the Annals of the Four Masters, c. 1597-after 1660.
- Oliver O'Gara, Irish soldier and politician of the 17th century
- John Patrick O'Gara, French-born soldier in the Spanish Army
- Charles O'Gara, courtier and official of the Holy Roman Empire
- Matt O'Gara, Irish sportsperson, fl. 1960.
- Ronan O'Gara, Irish rugby union rugby player, born 1977.
- Eoghan O'Gara, Irish sportsperson, alive 2010.