French and Flemish form of Evelyn, from Norman French Aveline meaning wished-for child; James Joyce used the name for a haunting short story in Dubliners (1914).
Nicknames
eve · evi
Vibe
warm
How it ages.
The Joyce connection adds literary texture; quiet and elegant, ages better than the more common Evelyn.
The cultural moment.
Consistent use in France and Belgium; literary association keeps it from feeling merely dated.