I think
Faith Lynn (first and middle name) is nice. Faithlynn all one word looks a bit made up and fairy-like for me. Like it would be a character in kids TV show who is a fairy or a unicorn or something.
Faith-Lynn with a hyphen would be a bit better as it distinguishes the two names.
**
Emma**
http://www.behindthename.com/pnl/54547
Favourites:
Eve,
Alice,
Norah,
Isla //
George,
Charlie,
Arthur,
Oscar