The story
- Irish · derived fromÓ Mathghamhna“descendant of Mathghamhain”
- English todayMahoney
Reduced Anglicized form of Irish Ó Mathghamhna (“descendant of Mathghamhain”), a personal name composed of the elements math (“bear”) and gamhain (“calf”).
Etymology from Wiktionary, CC BY-SA 4.0.