George H. Harkins (1917-1990), in Saint Lamberts Cemetery, Laconia, Belknap County, New Hampshire, USA. FindAGrave memorial id 201198840.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VMFX-RM9 : 20 May 2014), George H Harkins, 09 Sep 1990; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X7NK-M14 : accessed 13 April 2020), George H Harkens in household of George L Harkens, Concord, Merrimack, New Hampshire, United States; citing enumeration district (ED) ED 14, sheet 2B, line 99, family 55, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1304; FHL microfilm 2,341,039.