Illinois, Cook County Birth Certificates, 1878-1922 Description Name index of birth certificates as recorded at Cook County, Illinois - including the City of Chicago. Learn more » Search Collection First Names Last Names Gender Any F M U Restrict records by: Film Number x Film Number Search with a life event: Birth x Birth Birthplace Birth Year (Range) Search with a relationship: Parents x Parents Father's First Names Father's Last Names Mother's First Names Mother's Last Names Match all terms exactly Loading Source Information "Illinois, Cook County Birth Certificates, 1878-1922." Index. FamilySearch. http://FamilySearch.org : accessed 2014. Citing Cook County Clerk. Cook County Courthouse, Chicago.