Topic summary
Ó Tuathail
Extracted from the Wikipedia article O'Toole family.
The O'Toole (Irish: Ó Tuathail) family of County Wicklow, formerly one of the leading clans of Leinster, descended from Tuathal mac Augaire, King of Leinster (died 958), of the Uí Muiredaig branch of the Uí Dúnlainge dynasty.