I agree with Rach.

You poor thing, all 3 of DH and my siblings have just had a baby this year and I was so worried that they would use one of our names, lucky for us they have totally different taste, so it seems.

I say go ahead and use it, just pre-warn them maybe that it is the name you have had chosen for a long time, but once again as Rach said, if they are in a different state it isn't like you are going for coffee all the time where it may get confusing etc.

Good Luck .