O'Healy is a surname of Irish origin, often associated with families from the province of Munster. The name is derived from the Gaelic "Ó hÉalaighthe," which means "descendant of Éalaighthe." It is commonly found in various forms across Ireland and among Irish diaspora communities. The O'Healy name is linked to several historical figures and locations in Ireland. Families with this surname have contributed to Irish culture and history, with some members becoming notable in fields such as politics, literature, and the arts. The name reflects the rich heritage of the Irish people and their ancestral connections.