Heenan

The story

1. Irish · derived fromÓ hEidhneáin“descendant of Eidhneán”
2. Irish · derived fromÓ hÉanáin“descendant of Éanán”
3. English todayHeenan

Two main origins: * Reduced Anglicized form of Irish Ó hÉanáin (“descendant of Éanán”), a personal name derived from a diminutive form of éan (“bird”). * Reduced Anglicized form of Irish Ó hEidhneáin (“descendant of Eidhneán”), a byname from eidhneán (“ivy, ivy branch”).