"Iowa, County Marriages, 1838-1934," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XJFR-TTH : 3 September 2017), Clarence E. Smith and Eliza Mason, 04 Sep 1902, Des Moines, Polk, Iowa, United States; citing reference MAR p. 248, county courthouses, Iowa; FHL microfilm 1,014,769.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLHV-JDF : accessed 31 December 2018), Eliza Smith in household of Clarance Smith, Caldwell Ward 1, Canyon, Idaho, United States; citing enumeration district (ED) ED 90, sheet 17A, family 231, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 223; FHL microfilm 1,374,236.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDZ9-MJR : accessed 31 December 2018), Eliza R Smith in household of Clarence E Smith, Midvale, Washington, Idaho, United States; citing ED 188, sheet 11B, line 91, family 229, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 294; FHL microfilm 1,820,294.
"Idaho, County Marriages, 1864-1950," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:F3TH-WJW : 10 December 2017), William W Simmonds and Eliza R Smith, 07 Oct 1925; citing Payette, Idaho, various county courthouses, Idaho; FHL microfilm 1,255,643.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XHD5-748 : accessed 31 December 2018), Eliza R Simmonds in household of William W Simmonds, Pleasant Ridge, Canyon, Idaho, United States; citing enumeration district (ED) ED 47, sheet 3B, line 94, family 72, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 399; FHL microfilm 2,340,134.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VY4V-77K : 16 March 2018), Eliza M Simmonds in household of William W Simmonds, Pleasant Ridge Election Precinct, Canyon, Idaho, United States; citing enumeration district (ED) 14-52, sheet 4A, line 6, family 63, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 743.