Type Surname (from nickname)
Usage Old Irish
Other Forms FormsHeanaghan, Henehan, Henihan, Hennigan, Henaghan, Henaughan, Henekan, Heanan
Meaning & History
Thought to be a nickname or metonymic, and to owe its derivation from the early Gaelic word ean meaning a "bird". The derivation is from the ancient name O'hEeanchain, which loosely translates as The descendant of the son of the Bird.