Illinois, Cook County Birth Registers, 1871-1915 Description Name index of birth registers as recorded at Cook County, Illinois – including the City of Chicago. Learn more » Search Collection Deceased Ancestor's Name First Names Last Names Gender Any Female Male Unknown Race Any ? Asian Black Latin American Multiple Native American Other Unknown White 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 Restrict records by: Type Film Number x Type Birth, Baptism, and Christenings x Film Number Match all terms exactly Loading Citing this Collection "Illinois, Cook County Birth Registers, 1871-1915." Index. FamilySearch. http://FamilySearch.org : accessed 2015. Citing Cook County Clerk. Cook County Courthouse, Chicago.