13 relations: Ó Gadhra, Barony, Clan, County Sligo, Dubhaltach Mac Fhirbhisigh, Dublin, Gailenga, Hubert Thomas Knox, Kings of Luighne Connacht, Kings of Sliabh Lugha, Leabhar na nGenealach, Nollaig Ó Muraíle, Ruaidri Ó Gadhra.
Ó Gadhra or O'Gara is an Irish surname which originated in the kingdom of Luighne Connacht.
A modern geographic barony, in Scotland, Ireland and outlying parts of England, constitutes an administrative division of a country, usually of lower rank and importance than a county.
A clan is a group of people united by actual or perceived kinship and descent.
County Sligo (Contae Shligigh) is a county in Ireland.
Dubhaltach MacFhirbhisigh, also known as Dubhaltach Óg mac Giolla Íosa Mór mac Dubhaltach Mór Mac Fhirbhisigh, Duald Mac Firbis, Dudly Ferbisie, and Dualdus Firbissius (fl. 1643 – January 1671) was an Irish scribe, translator, historian and genealogist.
Dublin is the capital of and largest city in Ireland.
Gailenga was the name of two related peoples and kingdoms found in medieval Ireland in Brega and Connacht.
Hubert Thomas Knox (1845–1921), MRIA, FRSAI, was an Irish historian.
The Kings of Luighne Connacht were rulers of the people and kingdom of Luighne Connacht, located in what is now County Mayo and County Sligo, Ireland.
The Kings of Sliabh Lugha were rulers of the district of Sliabh Lugha located in what is now County Mayo, Ireland.
Leabhar na nGenealach ("Book of Genealogies") is a massive genealogical collection written mainly in the years 1649 to 1650, at the college-house of St. Nicholas' Collegiate Church, Galway, by Dubhaltach MacFhirbhisigh.
Nollaig Ó Muraíle is an Irish scholar.
Ruaidri Ó Gadhra, Chief of the Name, died 1285.