↑ "Massachusetts Marriages, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N4QX-1SV : 24 May 2018), Dennis F. Leary and Sarah T. Rooney, 5 May 1867; citing Waltham, Middlesex, Massachusetts, United States, State Archives, Boston; FHL microfilm 1,433,025.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9R2-KQM : accessed 6 January 2021), Dennis F Leary, Springfield city Ward 4, Hampden, Massachusetts, United States; citing enumeration district (ED) 583, sheet 9B, family 207, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,652.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MH6L-L4V : 15 August 2017), Denis F Leary, Springfield, Hampden, Massachusetts, United States; citing enumeration district ED 318, sheet 251D, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,254,536.
"United States Census, 1910," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:M2J1-N4Q : accessed 6 January 2021), Dennison F Leary, Springfield, Hampden, Massachusetts, United States; citing enumeration district (ED) ED 621, sheet 6A, family 115, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 592; FHL microfilm 1,374,605.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XQGX-5GJ : accessed 6 January 2021), Dennis F Leary, Springfield, Hampden, Massachusetts, United States; citing enumeration district (ED) ED 49, sheet 26B, line 55, family 452, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 910; FHL microfilm 2,340,645.