Where does “Eileen” come from?

Eileen (Cebuano) comes from Irish Eibhlín, from English Evelyn, from Old French Aveline.

Ancestry of “Eileen”, step by step

Step	Language	Word	Meaning
1	Irish	Eibhlín	—
2	English	Evelyn	—
3	Old French	Aveline	—

Eileen — Etymology, Origin & Word History | Etymology Explorer