Illinois Order Name Change (adult) is a process for individuals 18 or older to change their legal name in the state of Illinois. The process involves filing a Petition for Name Change with the local circuit court. The petitioner must provide proof of identity, such as a driver's license or state identification card, and provide a valid reason for the name change. After the petition is filed, the petitioner must attend a hearing before a judge and present evidence in support of their desired change in name. If approved, the petitioner will receive an Order of Name Change from the court, which serves as legal proof of the name change. The types of Illinois Order Name Change (adult) are: 1. Change of Name of an Adult 2. Change of Name of an Adult (Spouse of U.S. Citizen) 3. Change of Name of an Adult (Victim of Domestic Violence) 4. Change of Name of an Adult (Marriage) 5. Change of Name of an Adult (Divorce) 6. Change of Name of an Adult (Adoption) 7. Change of Name of an Adult (Other)