Annick is also a legitimate surname. I could easily see this used on a boy or girl, particularly in the U.S. where surnames as first names tend to trend neutrally.
My English teacher's name is Annick Helbig, and she is in her 60's.
― Anonymous User 1/28/2020
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In 2018, 20 is the most common age for an American (U.S.) Annick who is registered female with the Social Security Administration. It is the 27, 291st most common female first name for living U.S. citizens.