1880 Census: "United States Census, 1880," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MFD6-3VT : 13 January 2022), Anna Riley in household of Thomas Riley, Denver, Arapahoe, Colorado, United States; citing enumeration district , sheet , NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm .
1885 Census: "Colorado State Census, 1885," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K8W8-65T : 4 March 2021), Anna Belle Riley in entry for Thos J Riley, 1885; citing NARA microfilm publication M158 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 498,503.