ILGenWeb Project
- Provides history and genealogy resources for the state and its counties, including family surname histories, maps, cemeteries and death records, and links to other genealogy research sites. Part of the USGenWeb Project.
- http://ilgenweb.rootsweb.com/

Illinois Trails History and Genealogy
- A non-profit organization dedicated to providing free access to genealogical and historical records online.
- http://genealogytrails.com/ill/

Vital Records Information for Illinois
- Information about where to obtain copies of vital records in Illinois, including addresses for vital records offices in every county.
- http://www.vitalrec.com/il.html