I think it's a nice name. Reminds me of Beauden Barrett the rugby player.
Far less people shop at Boden than this thread would lead you to believe, I'm the only one in my mum group that likes the stuff for her LO, so I wouldn't worry about that.
I don't like Beau personally for me, so that would put me off as I imagine that would be the nickname.
End of the day it's what you like, lots of people don't like me LOs name, on Mumsnet it's "twee" but I think it's simple and feminine which is what I wanted.