I highly recommend Midwest Adoption Center, 817-298-9096, 3158 S River Rd, Suite 224, DesPlaines, IL 60018.
Midwest has access to The Archdiocese of Chicago and Illinois Dept of Public Health to obtain records and files about your Adoption.
Have you registered with Adoption Registry and Medical Information Exchange program, if not? Call 1-877-323-5299 or 1-217-557-5160. In the event your relatives looking for you also.
If you would like exchange pictures, email to firstname.lastname@example.org