The story
- Old Irish · derived fromoíph“radiance, beauty”
- Old French · derived fromAveline
- Irish · borrowed fromEibhlín
- English todayEileen
From Anglicized forms of Irish Eibhlín, Eilín or Aibhilín in Middle English and Modern English, all cognates of Evelyn from Old French Aveline. Sometimes also used for the Irish name Éibhleann, possibly from Old Irish oíph (“radiance, beauty”).
Etymology from Wiktionary, CC BY-SA 4.0.