Cook County ILGenWeb is a free genealogical site about the history of the county. It is a member of ILGenWeb, which is a member of USGenWeb®. We hope you find helpful clues for your research of Cook county ancestors.
Are you familiar with the area? Do you have a family tree connection to the area? Volunteers are always needed! Please consider contributing your pieces of Cook County family history. Corrections, updates, and additions to this site are always welcome.
County Coordinators: Lu Ann Pilar manygroves@gmail.com and Norma Hass normahass01@gmail.com
Cook County was established in 1831. It was named in honor of Daniel Pope Cook, an early Illinois statesman.
Chicago is the County Seat.
| McHenry | Lake IL |
| Kane |
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| DuPage | Lake IN |
| Will |
