All vital records are registered as received. Subscribed and sworn to before me this ______ day of. _____.Utah name change forms allow residents to legally change their name through the district court of the county in which they reside. Double-check all the information you have written in the certificate, such as the spelling of the signer's name and the date, and make sure it's correct. Complete Name Change Petition and Cover Sheet forms. You will need to completely fill out a Utah Name Change Petition and Cover Sheet.