The only instance when it is used in French is when combined with
Marie. Marie-Soleil. But used by itself, the kids will probably prone to teasing if she lives amongst francophones. If you don't live in a French speaking country and don't plan to, it is an ok name.
It isn't my type but it's fine.
Don't hesitate to rate my different PNLs:
http://www.behindthename.com/pnl/246179