The story
- Irish · derived fromÓ hEachthighearna“descendant of Eachthighearna”
- English todayAhern
Anglicized form of Irish Ó hEachthighearna (“descendant of Eachthighearna”), a personal name composed by the elements each (“horse”) + tighearna (“master, lord”).
Etymology from Wiktionary, CC BY-SA 4.0.