Find Your Irish County by Surname

Every Irish surname has a home. Type yours and we'll tell you which county it comes from — with a short history and a link to that county's guide.

Type an Irish surname and we'll tell you which county it comes from. Every entry is cross-referenced against established Irish surname references — no invented meanings. If we don't have yours yet, we'll say so.

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Dataset cross-referenced against John Grenham's Irish Surnames, Edward MacLysaght's Surnames of Ireland, and cited Wikipedia entries. Have a surname we're missing? Tell us.