John is shown a 50 years old in the 1850 Census.
Web Page (Link to the Record)
https://familysearch.org/ark:/61903/1:1:MDZS-TC3
Where The Record Is Found (Citation)
"United States Census, 1850", , FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MDZS-TC3 : Thu Mar 07 00:27:57 UTC 2024), Entry for John Harvey and Mary Harvey, 1850.
