John was born in 1886 in Tennessee. He passed away in 1955 in Tennessee.[1][2]
Sources
↑ "Tennessee Deaths, 1914-1966," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:NSJV-2P8 : 23 February 2021), John Sr Byrne, 20 Nov 1955; Death, Gallatin, Sumner, Tennessee, United States, Tennessee State Library and Archives, Nashville.
↑ Find a Grave, database and images (https://www.findagrave.com/memorial/118520858/john-byrne : accessed 06 October 2021), memorial page for John Byrne Sr. (5 Feb 1886–20 Nov 1955), Find a Grave Memorial ID 118520858, citing Crestview Memory Gardens, Gallatin, Sumner County, Tennessee, USA ; Maintained by BBrown (contributor 48207514) .
"United States World War I Draft Registration Cards, 1917-1918", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KZ62-Z7N : 23 February 2021), John Byrne, 1917-1918.
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DNA Connections
It may be possible to confirm family relationships with John 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: