Ó hAirtnéada
Ó hAIRTNÉADA—I—O Hartnedy, O Harniady, O Harnett, Harnedy, Hartnett, Harnett; 'descendant of *Artnéada' (battle-bear, battle-stone); the name of an old West Munster family who are still numerous in Cork, Kerry and Limerick.
Alphabetical Index to Irish Surnames