Question: how much does it cost to change your name in missouri after marriage?
Answer: It will likely cost between $150.00 and $200.00. If I'm a step-parent, can I change my step-child's name to my name? Yes, but you must either get a signed consent from both of the natural parents, or serve the non-consenting parent with a copy of the petition and a notice of when the court will hear your petition.