"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:HF1V-WZM : accessed 29 January 2017), Lawson Gray in household of Samuel Gray, Precinct 3, Navarro, Texas, United States; citing enumeration district (ED) ED 24, sheet 10A, line 13, family 194, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2380; FHL microfilm 2,342,114.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K4QL-W23 : accessed 29 January 2017), Lawson F Gray in household of S T Gray, Justice Precinct 4, Wise, Texas, United States; citing enumeration district (ED) 249-10, sheet 6A, line 10, family 114, 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 4168.
Thank you to James Markus Küntzer for creating WikiTree profile Gray-5306 through the import of 03 06 2013.ged on Jun 3, 2013. Click to the Changes page for the details of edits by James Markus and others.