Leahy Surname Meaning & Origin
What the Leahy last name means, where the surname began and how it spread.
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Meaning and origin of the Leahy last name
Meaning of the Leahy last name: descendant of Laochdha ("heroic"). Leahy comes from the Gaelic Ó Laochdha, descendant of Laochdha, a name meaning heroic. It belongs mainly to Munster, especially Cork, Kerry and Tipperary. A curious detail: many Irish names were shortened and anglicized during the seventeenth and eighteenth centuries, and Leahy is one of those that kept its sound fairly close to the original.
Arms associated with the Leahy name
Old Irish families often chose animals such as the boar, the stag or the wolf, creatures admired for strength, a habit of the heraldic tradition the Leahy name belongs to.
Get your full Leahy family history
This is only a glimpse of the Leahy story. The full Leahy history report goes much deeper into where the name began, who carried it and how the family spread, and it comes with a museum-style painted Leahy coat of arms. Get the full Leahy report.
Leahy name FAQ
What does the Leahy name mean?
Descendant of Laochdha ("heroic"). Common variants include Lahey, Leahey, O'Leahy.
Where does the Leahy surname come from?
It originates in Ireland, and is also found in the United States, England and Australia.
Is there a Leahy coat of arms?
Arms were granted to individuals rather than to everyone with a surname. Herald Lab paints a personalized Leahy coat of arms in museum style, based on historic heraldry.
Researched by Herald Lab Research Studio, since 1993. Sources: MacLysaght, The Surnames of Ireland; Dictionary of American Family Names (Oxford); US Census Bureau 2010.