Yep.

My DS is H ayden. I have cousins who had already have kids before I was pg who have a J aidyn & an A iden & a D aymen. But then I have about 30 first cousins most of whom have had kids or are of childbearing age. There are a few double ups and quite a few of my favourite names have been "taken". As PP's have said, DH & I have found it very difficult to agree on names so even if the name we pick was exactly the same as one of my cousins kids, I would still use it.