Your signature MUST be notarized unless a photocopy of the court document that authorizes the name change is provided with this request. The petition must be filled out and signed in front of a Notary Public.You may need additional forms to change a child's name. As a Notary, how do you stay impartial if the signer is your relative? 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.