*"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MJHZ-SNB : accessed 26 February 2019), Elizabeth Chelmicki in household of Valentine Chelmicki, Staunton, Macoupin, Illinois, United States; citing ED 72, sheet 9B, line 95, family 172, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 388; FHL microfilm 1,820,388.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XQ1H-HWV : accessed 26 February 2019), Elizabeth Chelmecki in household of Joseph Chelmecki, Harris, Menominee, Michigan, United States; citing enumeration district (ED) ED 7, sheet 5A, line 50, family 87, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1011; FHL microfilm 2,340,746.
"Michigan, County Marriages, 1820-1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q2SL-M6Q6 : 11 November 2017), Edward Bloniarz and Betty Chelmecki, 28 Sep 1940; citing reference ID , various county clerks and libraries, Michigan; FHL microfilm 1,783,720.
"Illinois, Cook County, Birth Certificates, 1871-1949", , FamilySearch (https://www.familysearch.org/ark:/61903/1:1:6Z8R-G2HX : Sat Mar 09 09:48:12 UTC 2024), Entry for Robert Edward Bloniarz and Edward Bloniarz, 11 Nov 1941.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V94D-MMD : 9 January 2021), Betty Kiefasz, Nov 1980; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
"United States, Social Security Numerical Identification Files (NUMIDENT), 1936-2007", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:6KQK-F7D1 : 10 February 2023), Betty A Chelmecki in entry for Edward John Bloniarz, .
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