The name's okay but I'm afraid that I think of it as girl's name. I think it's because it sounds just like
Fawn and rhymes with
Dawn etc. The spelling though looks quite masculine so I think it could work on a boy. I think of it as being like
Quinn - works on a boy but is kind of cool on a girl.
Boy middle names
Vaughn XavierVaughn William /
William VaughnVaughn WyattVaughn RileyVaughn SamuelVaughn TylerVaughn GregoryVaughn ChristianVaughn DerrickVaughn ElijahVaughn JustinVaughn JacksonVaughn Michael