Toichleach Ua Gadhra, King of Gailenga, in medieval Ireland, died in 964.
Toichleach was a grandson of Gadhra, from whom the surname O'Gara derived. He may have been a son of Domhnall mac Gadhra, King of Gailenga, who was killed in 931.
The Annals of the Four Masters, sub anno 964, state that "A victory was gained by Comhaltan Ua Cleirigh, i.e. lord of Uí Fiachrach Aidhne, and by Maelseachlainn, son of Arcda, over Fergal Ua Ruairc, where seven hundred were lost, together with Toichleach Ua Gadhra, lord of South Luighne."
Year 964 (CMLXIV) was a leap year starting on Friday of the Julian calendar.
The Kingdom of Breifne or Bréifne, anglicized as Breffny, was a medieval overkingdom in Gaelic Ireland. It comprised what is now County Leitrim, County Cavan and parts of neighbouring counties, and corresponds roughly to the Roman Catholic Diocese of Kilmore. It had emerged by the 10th century, as a confederation of túatha headed by an overking drawn from the Uí Briúin Bréifne.
Gadhra Mór mac Dundach was King of Síol Anmchadha and Uí Maine.
Muirgeas ua Cú Ceanainn was King of Uí Díarmata.
Mughron Ua Níoc was Abbot of Tuam.
Mac Comhaltan Ua Cleirigh, King of Uí Fiachrach Aidhne, fl. 964.
Comhaltan Ua Clerigh was King of Uí Fiachrach Aidhne, fl. 964/966-978.
Fearghal Ó Gadhra, sometimes referred to as Farrell O'Gara, was lord of Coolavin, and patron of the Annals of the Four Masters.
Gailenga was the name of two related peoples and kingdoms found in medieval Ireland in Brega and Connacht.
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 the barony of Costello, County Mayo, Ireland.
Conghalach mac Laidhgnen ua Gadhra, King of Gailenga, died 993.
Donn Sléibhe Ua Gadhra, King of Sliabh Lugha, died 1181.
Ruaidrí Ó Gadhra was an Irish king of Sliabh Lugha and Chief of the Name.
The Ó Gadhra Chiefs of the Name were the head of the Clan O'Gara, who were originally 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.
Eaghra Poprigh mac Saorghus was eponym and ancestor of the clan Ó hEaghra, King of Luighne Connacht.
The Corca Fhir Trí were an Irish people located in the kingdom of Gailenga, Luighne Connacht and Corann in Gaelic Ireland.
Luighne Connacht was a territory located in north-central Connacht, on the borders of what is now County Mayo and County Sligo, Ireland.
The Fortúatha were "kingdoms not ruled directly by members of the dominant dynasty of a province". They have also been described as "in effect, people belonging to a different stock from that of the rulers of the territory", yet sometimes enjoying a position of favour with the ruling people.
Ó Gadhra or O'Gara is an Irish surname which originated in the kingdom of Luighne Connacht. Variants include Garry, Geary, Gerry, and Guiry.