Wellington was born in 1853. He passed away in 1935.
"West Virginia Marriages, 1780-1970," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FTPC-935 : 11 February 2018), Wellington S Kelly and Malcinda L Mckay, 1881; citing Pocahontas, West Virginia, United States, , county clerks, West Virginia; FHL microfilm 804,324.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9Z4-7NR : accessed 6 May 2019), Wellington S Kelley, Huntersville district, Pocahontas, West Virginia, United States; citing enumeration district (ED) 112, sheet 12B, family 235, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,769.
Find A Grave, database and images (https://www.findagrave.com : accessed 06 May 2019), memorial page for Wellington Scott Kelly (24 May 1853–27 Mar 1935), Find A Grave: Memorial #148620769, citing Abraham Sharp Cemetery, Frost, Pocahontas County, West Virginia, USA ; Maintained by Barbara "Bobbie" Sharp (contributor 46998863) .