Illinois

Barrington Area Library books about Barrington area history, cemeteries, old telephone directories, vital records indexes and newspapers
Chicago Ancestors with city directories, cemeteries, digital books, photos and much more, from the Newberry Library
Chicago Genealogist online collection of the quarterly journal published since 1967, from the Newberry Library
Cook County Clerk of the Circuit Court Naturalization Declarations of Intention more than 500,000 naturalization petitions from 1871 to 1929 with transcribied summaries, $ to order actual record
Cook County Vital Records free search of Chicago aread birth, marriage and death records; download copy $
Historical Cook County Vital Records obtain online copies of Cook County and Chicago birth certificates 75 years or older, marriage licenses 50 years or older, and death certificates 20 years or older. Search for free, downloads $
Illinois State Archives indexes to a variety of vital statistics records, court records, almshouse registers, and veterans’ rolls
Online Chicago & Cook County, Illinois Birth, Marriage & Death Records
Wheaton Public Library vital records index containing births, deaths and marriage compiled from early Wheaton newspapers