Click on the link(s) for the forms you'd like to download. Form 21.01 - Affidavit in Support of Application for Change of Name of Adult (MUST be notarized PRIOR to filing at Court.Applicant has been a bona fide resident of. 5. That the purpose of this affidavit is to instruct the Franklin County Auditor and Recorder to reflect the change of name from Old Name to New Name. ONLINE: Go to "efiling.franklincountyohio. Gov" to request an account and apply for your name change online. ☐ Affidavit in Support of Application for Change of Name of Adult (Form 21.01). The applicant for the name change of a minor should obtain the consent of both parents of the minor child. Affidavit in Support of Application (Form 21.01). - Be sure to have it notarized or sign it in front of a clerk at the Court.