The civil desk in Room 121 of the Clerk of the Circuit Court can provide the necessary forms to request a name change. Download and complete the Name Change forms from the Illinois Office of the Courts.Before you begin, please make sure you have the following required items:: Your Class 9 Control Number; The Property Address. Every person authorized to request a correction must complete an Affidavit and Certificate of Correction Request. This is your one-stop-shop for Contract Compliance forms. Obtain and complete the following forms on the Lake County Circuit Clerk website under the section titled "Name Change". Pre-printed forms to file for a change of name are available from the Clerk of Court. The forms may be downloaded and filled out on a computer. Note: All forms below with a "fillable icon" are documents that you can open "on-line", fill in the appropriate fields and then print on your printer. The landlord does not fill out this form.