How do I add or remove names from a deed? To officially change the name on your deed, you will usually need to file a new deed with your county recorder's office.An original RP-5217 form must accompany all deeds and correction deeds upon filing with the Recording Officer. A filing fee is also required. To change, add or remove a name on your deed a new deed needs to be recorded reflecting the change. The forms for changing a name or sex designation in the Supreme Court or New York City Civil Court are included in the chart below. To prove your legal name change, you must show one of the following documents: Marriage document. The adult name change form is used to ask (or petition) the Supreme Court or NYC Civil Court to change your name. Step 1: Complete the Applicant Information Form. How to legally change your name.