John was born in 1872. John Greathouse ... He passed away in 1941. Buried at Mt. Washington Cemetery in Upshur County, WV. 
↑ First-hand information as remembered by Mary Ann Turner, Wednesday, January 22, 2014. Replace this citation if there is another source.
'United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MNK1-2DX : accessed 5 October 2019), John J Greathouse, Washington, Upshur, West Virginia, United States; citing ED 142, sheet 3A, line 28, family 46, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1968; FHL microfilm 1,821,968.