Evan

Also French:

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https://fr.m.wiktionary.org/wiki/Evan
https://meilleursprenoms.com/popularite-prenom/Evan

If you like click on the Submitted name Evan, if you scroll down, it says it's a girl name.

Evan is also used by many Greek-Americans as short for Evaggelos.

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Evangelos/Evangelia (Evangeline) are related to The Annunciation (Ευαγγελισμός/Evangelismos), and also the Gospel (Ευαγγέλιο/Evangelio).

Also Manx: http://www.ceantar.org/Dicts/Manx/mx17.html
http://www.isle-of-man.com/manxnotebook/famhist/fnames/kpn.htm

In 2018, 3 is the most common age for an American (U.S.) Evan who is registered male with the Social Security Administration. It is the 273rd most common male first name for living U.S. citizens.

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In 2018, 19 is the most common age for an American (U.S.) Evan who is registered female with the Social Security Administration. It is the 4, 079th most common female first name for living U.S. citizens.

I think Evan should also be considered a feminine name. You've got actress Evan Rachel Wood as an example and it's not the only girl named Evan I've heard of.

I knew a girl once named Evan.