I was looking on the "Considering this name?" section of the site that pper mentioned below where people can post what type of bullying they got for their name. I ran across this:
If you plan to name your baby girl dylan, DON'T!!! FOR THE LOVE OF GOD DON'T DO IT!!!! Save her the agonising pain of having her P.E. teacher put a 'he' insted of a she on her report card and just call her 'Jessica' or 'Valerie' or somethign - anything- else
Dylan - 17 years old
There are also a ton of posts on there from girl Dylans who say they hate their name because it is a boys name. So please take her advice. My unborn son will also thank you for not feminising his name