I changed my last name and took my mothers name. There was a fee, nothing major if I remember correctly. I think for some reason also you had to put it in thepaper for 3 weeks (forgot what the legal name for this was) in case anyone wanted to dispute it. Find the cheapest smallest paper in town and do it that way. Iwent to court, told the judge why and was done. You get copies of the legal document that says it was done (GET A GOOD DOZEN COPIES OF THIS-there is a fee forthat too but its not bad). Then I just called my credit companies (they require a copy of that court doc that says it was all legit) and from then on used my"new" last name for everything - applying for jobs, bought car, house loan etc etc.