Gilla Pátraic mac Donnchada
Gilla Pátraic mac Donnchada was king of Osraige and the progenitor from whom all Mac Giolla Phádraigs of Ossory took their hereditary surname. Gilla Pátraic succeeded his father Donnchad mac Cellaig in 976. Donnchad mac Cellaig was the son of Cellach mac Cerbaill, king of Osraige and his wife, Echrad ingen Matudán. After a reign of 21 years, Gilla Pátraic was slain by Donnabhan, king of the Danes of Waterford, and Domhnall, king of the Desies. By his wife, Maelmuire, he had five sons: Donnchad mac Gilla Pátraic, king of Osraige and king of Leinster; Dunghal ; Tadhg ; Diarmaid ; and, Muircheartach.
