Leahy (surname)

Leahy is an Irish surname, originating in Munster, and now found in Cork, Kerry, Limerick, and Tipperary. Anglicised from the Irish Gaelic Ó Laochdha ('descendant of Laochdha'),[1]:191 it ultimately derives from Old Irish láechda, láech ('warrior-like, pertaining to a warrior') which appears as a personal sobriquet at least as early as the Book of Lismore.[2]

Other forms of the name include Lahey, Lahy, Leehy, and (less commonly) Lahaie, Lahaye, Lehait, Ó'Lathaigh.[3]:15[1]:188[4]:104–106

Notable bearers of the name

See also


  1. 1 2 MacLysaght, Edward (2005) [1969]. The Surnames of Ireland (6th ed.). Dublin: Irish Academic Press.
  2. "láechda". eDIL: Electronic Dictionary of the Irish Language, c. 700–c. 1700. 2016. Retrieved 12 Aug 2016.
  3. Lahaie, Richard (2013). "Le Premier Couple Irlandais de Nouvelle-France". Histoire Québec. 18 (3): 15–18.
  4. Woulfe, Patrick (1922). Sloinnte Gaedheal is Gall: Irish Names and Surnames. Baile áta Cliat: M. H. Mac an Goill 7 a Mác.
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