Otoole Family History
Otoole Surname Meaning
Irish (Dublin): Anglicized form of Gaelic Ó Tuathail ‘descendant of Tuathal’ an ancient Celtic personal name based on tuath ‘people’ + val- ‘might rule’.
Compare Toland. This name has also been erroneously associated with Gaelic tuile ‘flood’ and therefore occasionally Anglicized as Flood.
Source: Dictionary of American Family Names 2nd edition, 2022
