John P. Martin Courtney (abt. 1827 - 1862)

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:

• ~3.12% Jeff Byrd : Family Tree DNA Family Finder, GEDmatch T085585 [compare], FTDNA kit #221974
• ~3.12% ~3.12% Christine (Smith) Kelley : Family Tree DNA Family Finder
• ~1.56% ~12.50% Bertha (Byrd) Lewis : 23andMe, GEDmatch M150312 [compare] + Family Tree DNA Family Finder, GEDmatch M150312 [compare], FTDNA kit #B20820
• ~1.56% Charles Keys : 23andMe, GEDmatch M081952 [compare]
• ~1.56% James B Keyes : 23andMe
• ~1.56% Carl Howell : 23andMe, GEDmatch M341494 [compare]
• ~1.56% Norene Sellers : 23andMe
• ~1.56% Brock Riggs : 23andMe
• ~1.56% ~1.56% Regina (Andrews) Dellucci : 23andMe, GEDmatch A720245 [compare], yourDNAportal REG22c7cc6e + AncestryDNA, GEDmatch A720245 [compare], yourDNAportal REG22c7cc6e, Ancestry member ReginaDellucci
• ~1.56% Patsy (Byrd) Green : AncestryDNA, GEDmatch A984988 [compare]
• ~1.56% Brian Brock : AncestryDNA
• ~1.56% ~3.12% Vicky Lacy : AncestryDNA, GEDmatch SE4076989 [compare], Ancestry member VickyLacy
• ~1.56% Henry Sullivan : Family Tree DNA Family Finder, GEDmatch T884527 [compare], FTDNA kit #251301
• ~1.56% ~12.50% Brent Robinson : Family Tree DNA Family Finder, GEDmatch T452317 [compare], FTDNA kit #221973
• ~1.56% James Rhodes : Family Tree DNA Family Finder, FTDNA kit #982767 + MyHeritage DNA, GEDmatch H881395 [compare] + Living DNA, GEDmatch TZ9831124 [compare]
• ~1.56% Steven Howell : Family Tree DNA Family Finder, FTDNA kit #881866
• ~0.78% ~6.25% Ann (Lewis) Franklin : 23andMe, GEDmatch M132648 [compare]
• ~0.78% Myrtis Bishop : 23andMe, GEDmatch M082605 [compare] + AncestryDNA, Ancestry member myrtisjane
• ~0.78% David Keys : 23andMe, GEDmatch DD693237C1 [compare]
• ~0.78% Jennifer (Roberts) Eckman : 23andMe, GEDmatch M062759 [compare]
• ~0.78% Susan (Mocsny) Thomas : 23andMe, GEDmatch A551259 [compare] + AncestryDNA, GEDmatch A551259 [compare], Ancestry member SThomas826
• ~0.78% Donna (Howell) Meeks : 23andMe
• ~0.78% Kristy Keyes : 23andMe
• ~0.78% ~3.12% Sarah Catherine (Heinz) Bergquist : 23andMe
• ~0.78% James (Howell jr) Howell : 23andMe
• ~0.78% Carolyn Cowart : 23andMe + MyHeritage DNA
• ~0.78% ~3.12% Betty Sullivan : 23andMe + AncestryDNA, Ancestry member bettysnie
• ~0.78% Connie (Coleman) Levron : 23andMe, GEDmatch M481492 [compare]
• ~0.78% Brian Flynt : AncestryDNA, GEDmatch A386617 [compare], Ancestry member BFlynt74 + Family Tree DNA Family Finder, GEDmatch A386617 [compare], FTDNA kit #B32456
• ~0.78% Amanda Keys : AncestryDNA
• ~0.78% Scott Wright : AncestryDNA, GEDmatch A110146 [compare], Ancestry member shawnericwright
• ~0.78% David Sullivan : AncestryDNA, GEDmatch A449343 [compare], Ancestry member bigcuzdave1
• ~0.78% Jenn Johnson : AncestryDNA, GEDmatch A423179 [compare], Ancestry member kalypsodore
• ~0.78% Calvin Harkins : AncestryDNA, GEDmatch GB4363724 [compare], Ancestry member calharkins
• ~0.78% ~6.25% Mildred Walker : AncestryDNA
• ~0.78% Sherri (Williamson) Schrat : Family Tree DNA Family Finder, GEDmatch ER8869144 [compare], FTDNA kit #1010122
• ~0.78% Billy Williamson : Family Tree DNA Family Finder, FTDNA kit #105020

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