"Massachusetts Marriages, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:NWR9-N82 : 10 March 2021), Nathan Davis Whitman and Helen M. Orr, 13 Nov 1856; citing East Bridgewater, East Bridgewater, Plymouth, Massachusetts, United States, State Archives, Boston; FHL microfilm 1,433,015.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9YX-117 : accessed 12 January 2022), Helen M Whitman, Precinct 4 Boston city Ward 15, Suffolk, Massachusetts, United States; citing enumeration district (ED) 1376, sheet 1B, family 12, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,683.