The story
- Irish · derived fromÓ hAinchín“descendant of Ainchín”
- English todayHannon
Reduced Anglicized form of Irish Ó hAinchín (“descendant of Ainchín”), a personal name possibly related to Annach or, alternatively, a variant of ainghein (“unborn”). It could also be a variant form of Hannan or Hanahan.
Etymology from Wiktionary, CC BY-SA 4.0.