Soleil

Soleil is also frequently used as a masculine given name, though usually not in France. Many users in the comments below have named both their daughters and sons Soleil and have met members of both genders with this name. However, Soleil is more common for females. So, I think that the "Gender" of this name should be changed from "Feminine" to "Feminine & Masculine".

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Source: https://forebears.io/x/forenames/soleil

Soleil is almost always used as a girl's name outside of France.

The name Soleil was given to 111 girls born in the US in 2015.

Marie-Soleil is not as common in France as it is in Canada, but yes, some people have this name. Maybe it is inspired by Spanish Marisol, or made its way across the Atlantic. Anyway, you can check directories and see that it has been in use, as adults are listed.

177 people in the US actually named their daughters Soleil in the 2012.

The combination Marie-Soleil is used as a feminine name in French Canada (there was a 1980s childrens' TV show called it) but it is not common in France.

This isn't used as a name in France, and moreover it is masculine.