"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K4VF-XKG : accessed 3 April 2017), Edward J Mcguirk in household of Pearl S Mcguirk, Ward 2, Cambridge, Cambridge City, Middlesex, Massachusetts, United States; citing enumeration district (ED) 16-29, sheet 1A, line 27, family 8, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 1683.
Obituary for son Edward James Jr. Published in MetroWest Daily News on Feb. 20, 2014. Accessed on Legacy.com.