Download and complete the Name Change forms from the Illinois Office of the Courts. If you want to legally change your name, you must fill out and file name change forms with the court.Then, you will have a hearing in front of a judge. All deeds must be filed within the County Recorder's Office where the property is located. Complete Form PTAX-203-B, Illinois Real Estate Transfer Declaration Supplemental Form B. 11 Full actual consideration. Obtain and complete the following forms on the Lake County Circuit Clerk website under the section titled "Name Change". Need to transfer Illinois real estate? Our deed creation software makes it easy. A house deed is a legal document that proves ownership of a property. Make sure to fill in your name and address, and the name and address of the other party involved in the transfer.