(Research):"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MN36-5RK : 12 April 2016), Susanna Poole in household of William Holter, Maryland, United States; citing p. 13, family 95, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 552,085.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MNQ2-7TC : 15 August 2017), Susah Poole in household of John Laman, Frederick, Frederick, Maryland, United States; citing enumeration district ED 67, sheet 45A, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0509; FHL microfilm 1,254,509.