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Anglicized from Irish Gaelic Ó Tiarnaigh "descendant of Tiarnach", a diminutive of tiarna (“lord, master”).
Etymology from Wiktionary, CC BY-SA 4.0.
Tierney
Today it means: A surname from Irish. Full definition →
Today it means: A surname from Irish. Full definition →
Anglicized from Irish Gaelic Ó Tiarnaigh "descendant of Tiarnach", a diminutive of tiarna (“lord, master”).
Etymology from Wiktionary, CC BY-SA 4.0.