O’ Hogaine, O’ Hogan, O’ Hogane, Ó hÓgáin
Ó hÓgáin comes from the Gaelic word “óg”, meaning ‘young’. The clan is descended from Ógán, who was an uncle of Brian Ború , High King of Ireland in the 11th century. The Ó hÓgáin were part of the Dál gCais tribal grouping, and they were located near the modern town of Nenagh in Co. Tipperary. Today, Hogan is the 91st most numerous surname in Ireland, and is strongest in counties Clare, Tipperary, Limerick and Cork.