"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MV9X-2QP : accessed 30 January 2016), Robert Madden Jr. in household of Robert Madden, Middletown, Orange, New York, United States; citing sheet 10B, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,821,252.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X4TM-66W : accessed 7 April 2019), Robert H Maddan in household of Robert H Maddan, Middletown, Orange, New York, United States; citing enumeration district (ED) ED 41, sheet 11A, line 6, family 297, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1632; FHL microfilm 2,341,366.
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