Instructions - br The Illinois name change for an adult as described in the State Code 21-101 is done by filing a petition to the county's civil court where you are a resident. It is easier, if you were just married, to have your certified marriage license with the raised seal or if you were recently divorced to have your divorce decree. Typically, you will not have a court hearing in Idaho but it depends on the circumstances of the name change.br br REQUIREMENTSbr Must be a resident for at least 6 monthsbr If just married, must have your original marriage certificate.br If just divorced, must have your divorce decree.br Step 1 - Fill-Out the following forms:br Illinois Name Change Packetbr Step 2 - Make 2 copies of each and have the name change petition notarized.br br Step 3 - File the Petition to the County Court Clerk's office in the County where your live (See County List Below). Pay the filing fee of $319.00 and you will be given a case number.br br Step 4 - You will need to fill out the Illinois Notice to Newspaper and submit to the newspaper that serves in the County you reside. The ad must run for 6 weeks and you must receive a Notice of Publication from the provider of this service.br br Step 5 - After successful publication, you will need to make 3 copies of your Illinois Name Change Petition, Name Change Publication, and your Illinois Order For Name Change. Submit these again to the County Court Clerk's office in order to schedule a court hearing.br br Step 6 -Upon successful Court hearing, you will be issued a judgement from the Judge which is a signed order that you will have to authorize in the Court clerk's office. You may use this form for any name change within any private or public corporation, institution, or organization.