O'Brien Surname Project

"There's a little bit of Irish in all of us" - But are you an O'Brien?
  • 1043 members

About us

Statistic Type Count
Big Y 332
Combined GEDCOMs Uploaded 67
DISTINCT mtDNA Haplogroups 231
DISTINCT Y-DNA Confirmed Haplogroups 356
DISTINCT Y-DNA Predicted Haplogroups 0
Family Finder 473
Genographic 2.0 Transfers 15
Maternal Ancestor Information 569
mtDNA 313
mtDNA Full Sequence 250
mtDNA Plus 284
mtDNA Subgroups 24
Paternal Ancestor Information 763
Predicted Y-DNA Haplogroups 516
Total Members 1043
Unpredicted Y-DNA Haplogroups 0
Unreturned Kits 123
WTY 1
Y-DNA Deep Clade (After 2008) 47
Y-DNA Deep Clade (Prior to 2008) 17
Y-DNA Subgroups 126
Y-DNA111 432
Y-DNA12 766
Y-DNA25 723
Y-DNA37 714
Y-DNA67 564
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