Tullahy

Tullahy is a surname of Irish origin. It is believed to be an anglicized form of the Gaelic name Ó Tuathail, which translates to "descendant of Tuathal." Tuathal itself is a personal name meaning "powerful ruler" or "chief of the people." The surname is most commonly found in the province of Leinster, particularly in the counties of Kildare and Dublin. Historically, the Ó Tuathail clan was a prominent Gaelic family in this region, holding significant land and influence.

Over time, as with many Irish surnames, variations in spelling emerged due to anglicization and phonetic interpretations. Common anglicized forms include Toole, Tool, and Doyle, though Tullahy remains a distinct variant. The distribution of the Tullahy surname within Ireland and among the Irish diaspora reflects historical migration patterns. Individuals bearing the Tullahy surname have contributed to various fields, including politics, arts, and sciences, both in Ireland and abroad. The modern prevalence of the surname continues to be concentrated in areas with historical Irish populations.