Cook County and Chicago

[vj]

New Database for Cook County
Birth, Marriage, and Death Records
Free Registration

http://www.cookcountygenealogy.com/Default.aspx

The Genealogy Unit of the Cook County Clerk's Bureau of Vital Records provides non-certified
versions of birth, death and marriage records for the purpose of genealogical research.
Records found on this site are for Chicago and Cook County dating back to 1872.

[DanM]

Just be aware that not all records are available.

Another cooK county site is their Clerk of the Circuit Court of Cook County Archives naturalization petitions covering the years 1871 to 1929. More than 400,000 of these records are Declarations of Intention.

http://www.cookcountyclerkofcourt.org/NR/