"Massachusetts Births, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FXWR-32Q : 9 March 2018), William Henry Stockwell, 03 Feb 1846, Sutton, Massachusetts; citing reference ID #Page 251 No. 66, Massachusetts Archives, Boston; FHL microfilm 1,420,727.
"Massachusetts Deaths, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N7RC-1QC : 22 May 2019), William H. Stockwell, 25 Dec 1848; citing Sutton, Essex, Massachusetts, v 41 p 333, State Archives, Boston; FHL microfilm 959,812.
"Massachusetts State Census, 1855," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MQ4X-VHQ : 11 March 2018), William H Stockwell in household of Amos B Stockwell, Sutton, Worcester, Massachusetts, United States; State Archives, Boston; FHL microfilm 953,964.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHFQ-2J1 : 14 August 2017), William H Stockwell in household of Robert Jones, Millbury, Worcester, Massachusetts, United States; citing enumeration district ED 856, sheet 36A, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,254,565.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M222-BZG : accessed 27 October 2019), William H Stockwell, Millbury, Worcester, Massachusetts, United States; citing enumeration district (ED) ED 1789, sheet 14A, family 330, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 629; FHL microfilm 1,374,642.