Personal recollection of [[Hartwell-3730|Jeremiah Hartwell] based on previously viewed census data, birth records, and personal knowledge. 02 April 2019.
Oklahoma State Vital Statistics Death Certificates Index. Death Certificate Index for John J. Harbour, male, died on 17 July 1919 in Tulsa County, Oklahoma, United States. Captured by Leslie Driskill on 16 December 2022. https://ok2explore.health.ok.gov
Find a Grave, database and images (https://www.findagrave.com/memorial/51160261/john-jay-harbour: accessed 17 December 2022), memorial page for John Jay Harbour (1 Aug 1841–17 Jul 1919), Find A Grave: Memorial #51160261, citing Oaklawn Cemetery, Tulsa, Tulsa County, Oklahoma, USA; Maintained by MillieBelle (contributor 46628380).
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DNA Connections
It may be possible to confirm family relationships with John Jay by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share some percentage of DNA with John Jay: