O'Brien Surname Project

"There's a little bit of Irish in all of us" - But are you an O'Brien?
  • 752 members

Y-DNA

  • Classic Chart Members' STR results and subgroups
  • Colorized Chart Members' STR results with colorized differences
  • Map Map of group member locations
  • SNPs Member haplogroups and SNP test results

mtDNA

  • Results Members' mtDNA test results
  • Map Map of group member locations