I am not going to be able to help with names I have no idea about celtic names but TBH its not up to your parents.
If you like a particular name then you go for it hun. Sometimes talking to close friends and family about name choices is a BAD idea - someone is always going to have an opinion different to yours which may sway you away from your choice but at the end of the day ITS YOUR BABY they will love the baby no matter what you call it.

Good luck deciding

Nae x