Ancestry.com
Cook County, Illinois, U.S., Birth Certificates Index, 1871-1922
Ancestry.com
"Illinois, Cook County Birth Certificates, 1878–1922." Index. FamilySearch, Salt Lake City, Utah, 2009. Illinois. Cook County Birth Certificates, 1878–1922. Illinois Department of Public Health. Division of Vital Records, Springfield.
"Illinois. Cook County Birth Registers, 1871–1915." Index. FamilySearch, Salt Lake City, Utah. Illinois. Cook County Birth Registers, 1871–1915. Illinois Department of Public Health. Division of Vital Records, Springfield.