Helen E. Marvin 1 2![]()
• She appeared on the 1910 US Census in Seneca Township, McHenry County, IL on 15 April 1910. 1 • She appeared on the 1920 US Census in Seneca Township, McHenry County, IL on 13 February 1920. 2 |
1 1910 U.S. census, population schedule, Seneca Township, McHenry County, Illinois, enumeration district (ED) 141, sheet 1A, family 5, John H. Marvin and Anna Hagert; index and images, FamilySearch.org (accessed 21 Jan 2016); citing National Archives and Records Administration microfilm T624, roll 304.
2
1920 U.S. census, population schedule, Seneca Township, McHenry County, Illinois, enumeration district (ED) 143, sheet 9B, family 173, John Henry Marvin and Anna Hagert; index and images (accessed 8 Feb 2016); citing National Archives and Records Administration microfilm T625, roll 386.
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