| Sources | [S75]  Illinois, Deaths and Stillbirths Index, 1916-1947, Ancestry.com, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2011;).Record for Mary Florence Hoffman
 
 
[S49]  1930 United States Federal Census, Ancestry.com, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2002.Original data - United States of America, Bureau of the Census. Fifteenth Census of the United States, 1930. Washington, D.C.: National Archives and Records Administration, 1930. T626,;), Year: 1930; Census Place: Pennsylvania, Mason, Illinois; Page: 6A; Enumeration District: 0019; FHL microfilm: 2340272.Record for Mary B Hoffman
 
 
[S50]  1920 United States Federal Census, Ancestry.com, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2010. Images reproduced by FamilySearch.Original data - Fourteenth Census of the United States, 1920. (NARA microfilm publication T625, 2076 rolls). Records of the Bureau of the Census, Reco;), Year: 1920; Census Place: Pennsylvania, Mason, Illinois; Roll: T625_392; Page: 3B; Enumeration District: 88.Record for Mary Hoffman
 
 
[S118]  1910 United States Federal Census, Ancestry.com, (Name: Online publication - Provo, UT, USA: Ancestry.com Operations Inc, 2006.Original data - Thirteenth Census of the United States, 1910 (NARA microfilm publication T624, 1,178 rolls). Records of the Bureau of the Census, Record Group 29. National Archives, Was;), Year: 1910; Census Place: Pennsylvania, Mason, Illinois; Roll: T624_311; Page: 9A; Enumeration District: 0073; FHL microfilm: 1374324.Record for Mary Hoffman
 
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