Leon Karl Eldridge Jr was born 27 November 1930 in New York. He died 11 September 2010 in Watkins Glen, New York.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KQNQ-X1J : 15 March 2018), Leon C Eldridge in household of Leon K Eldridge, Mahoning Township, Montour, Pennsylvania, United States; citing enumeration district (ED) 47-12, sheet 14B, line 50, family 315, 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 3587.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J55P-PZ2 : 20 May 2014), Leon K Eldridge, 11 Sep 2010; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).