We have a girl name that is definitely different and when we told MIL/FIL the girl name before we knew DS#1 was well, DS and not a DD, they really disliked it...
This time as soon as we told her that we were having a girl, her first reaction was---"you're not going to name her THAT name are you? It sounds like a black person's name!" (Sorry if saying this offends anyone.... that's not my intention; Also, it's actually an Italian name, sooo...)
Instead of worrying about it, I politely told her, "DH and I have decided on a this name, and that's just they way it's going to be. We would appreciate it if you would respect our wishers." After that I had DH to handle it... she still occasionally suggested other names throughout 2nd tri but DH made sure to tell her thank you but no... IF we were to have a 3rd child, I won't be releasing any name until the child is born...
If you love it go with it... It's a "real" name and this spelling is listed on many name websites...Be prepared to get weird looks from many people until they get used to it; however, I have many friends with ethinic/different names: Asja (as-ya), Gunjun, (guhn-jin), Irma (ear-mah), Crita (cree-tah), Aitze (eye-zee)...so to me Berkley is pretty normal lol I think it's cute... I'm not for the hyphenated middle, but that's more for practical purposes (filing papers, DLs etc) than the names themselves... GL!
ETA: My Mom was really happy bc she says its a "strong Catholic name" although that wasn't our purpose either lol