"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M8P5-1Y3 : accessed 28 Jan 2014), Hellen H Parker in household of Daniel S Parker, Parowan, Iron, Utah, United States; citing sheet , family 209, NARA microfilm publication T625, FHL microfilm 1821863.
"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XH6H-B2J : accessed 28 Jan 2014), Hope Parker in household of Dan S Parker, Parowan, Iron, Utah, United States; citing enumeration district (ED) 0013, sheet , family 77, NARA microfilm publication .
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/V1R5-TRP : accessed 28 Jan 2014), Helen Brock in household of Carl B Brock, Connersville, Connersville Township, Fayette, Indiana, United States; citing enumeration district (ED) 21-4, sheet 61A, family 294, NARA digital publication of T627, roll 1042.
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