I agree with the answer you have already been given. But quite frankly, if you want to be a lawyer, you are going to have to learn you don't get to rewrite history. You don't seem to deny that your ex boyfriend IS the father. Rather you appear not to like the fact that YOU chose him to be your child's father and want to erase him. You can't do that. You may be able to change your daughter's name but you will have to serve him and prove how it is in the child's best interest.