The 1900 US Census record indicating Thomas's birth in 1846 is probably incorrect. Other records (marriage, 1910 Census) give dates about ten years later.
Sources
"Virginia Marriages, 1785-1940", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XR9N-JQP : 29 January 2020), Thomas Lynch, 25, and Nancy A Arnold, 27, Scott County, 4 Sep 1882. Groom's mother Mary A Lynch. Bride's parents Stephen and Mary Arnold.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS8P-TTT : accessed 11 December 2020), Thomas J Linch, Civil District 3, Hancock, Tennessee, United States; citing enumeration district (ED) 66, sheet 4A, family 57, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,575. Born North Carolina Feb 1846. Married 1882.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MPG8-D8Q : accessed 11 December 2020), Thomas J Lynch, Estillville, Scott, Virginia, United States; citing enumeration district (ED) ED 67, sheet 19A, family 344, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1648; FHL microfilm 1,375,661. Born North Carolina 1855.
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