If you're not keen on then don't use it, it should be a name you and your OH agree on, not what your MIL likes!
I personally don't like it. I just think of somebody hunting!
My husband and MIL have their hearts set on the name but im not too sure about it. Might grow on me you never know
I think it's awful sorry. In UK at least I think it's likely to cause trouble for the poor boy at school. It sounds silly and I can't see grown man getting a job interview as a lawyer etc with a name like Hunter it sounds chavvy. I'd compromise by having it as a middle name. But if you don't like it then please don't use it!!!