You do not need to apply for a legal name change if you are just married. The Certified Abstract of Marriage (green paper) obtained from the Department of Marriage can be used to legally change your last name if you wish.This typically takes 2 weeks from the time you fill out the SS-5 form. You will also need to bring your current driver's license, certified marriage certificate and proof of residency to apply for your license.To update your name, visit your local BMV Ohio office. Be sure to bring your Ohio driver's license, Social Security card, and proof of name change (ie, marriage certificate, divorce judgment, or court order). For a regular driver's license name change, the cost is $24.50 (most payment methods are accepted).The employee will give you a notification form that will include the date of the hearing. At this point, you will be asked to pay all associated fees. The fee for submitting a name change application can range from $80 to $150 depending on the county you are in.Approximately 45 days after the name change request is filed with the Court, a hearing may be held before a magistrate of the Court.You may need an experienced attorney or attorney to accompany you to the court hearing to educate the probate judge that medical justification should not be necessary for a name change in Ohio.