The Uí Garrchon were the principal sub-sept of the Dál Messin Corb, who were the ruling dynasty of Leinster, Ireland for much of the fifth century. Their main opponents outside of Leinster were the nascentUí Néill. Their known kings include:
Carbury, Co. Kildare - topographical and onomastic hypotheses, Caitriona Devane, in Above and beyond:Essays in memory of Leo Swan, pp. 187–122, edited by Tom Condit and Christiaan Corlett, Wordwell, 2005. ISBN1-869857-86-0.