Just about anyone can change his or her name. Changing your name is a relatively simple procedure that can usually be done without a lawyer.Fill Out the "Affidavit of Service" form in this packet. The affidavit must be signed in the presence of a notary. Forms and informational resources for filing for a name change in Arizona Superior Court. Use state forms if your county is not listed. Please specify the field name you want to amend in the data field column on the affidavit. 5. You must then complete the "Notice of Hearing Regarding Application for Change of Name" form with the information received from Court Administration. The Affidavit of Name Change can be used to verify the identity of a person who has assumed a new name or uses multiple names. Name Change: When an individual legally changes their name, they may need to provide an Affidavit of Identity to confirm their previous and new names.