Save Type Surname (from given name) Usage Irish Pronounced Pron. O HAKH-hi-yər-nə [key·IPA] Meaning & History Means "descendant of Eichthighearn", where the personal name Eichthighearn means "horse lord" in Gaelic. DetailsRelated Names VariantsAhearn, Ahearne, Hearn, O'Hearn Categories animals, leadership Entry updated July 2, 2017 ·