O'Leary Surname
The surname "O'Leary" is of Irish origin, derived from the Gaelic name "Ó Laoghaire," which means "descendant of Laoghaire." The name Laoghaire is believed to be associated with a legendary king of Tara, making it a name with historical significance in Ireland. O'Leary is commonly found in counties such as Cork and Kerry.
O'Leary is a relatively common surname in Ireland and among the Irish diaspora, particularly in countries like the United States and Canada. Variations of the name include "Leary" and "O'Leary," reflecting the diverse ways surnames can evolve over time.