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- [S55] Cook County, Illinois, Birth Certificates Index, 1871-1922, Ancestry.com, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations, Inc., 2011.Original data - "Illinois, Cook County Birth Certificates, 1878–1922." Index. FamilySearch, Salt Lake City, Utah, 2009. Illinois. Cook County Birth Certificates, 1878–1922. Illinois D;).
- [S3] Social Security Death Index, Ancestry.com, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2010.Original data - Social Security Administration. Social Security Death Index, Master File. Social Security Administration.Original data: Social Security Administration. Social Security D;), Number: 338-14-3962; Issue State: Illinois; Issue Date: Before 1951.
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