| Project |
Members |
Description |
O’Riordan
 |
15 |
The O'Riordan family & all the name variants throughout the ... |
| Oak
|
42 |
Oak, Oake, Oakes, Oaks, Ochs, Oke, Okes, Oks, Ox, Oxx or oth... |
| Oakley
|
28 |
Any male with the name Oakley or any of its variants, is enc... |
| Oberlander
|
7 |
This group seeks to find the relationships between Jewish Ob... |
| Obermair
|
1 |
|
| Obermiller
|
8 |
The name Obermiller is believed to be an Anglicization or Am... |
| Oberquelle
|
7 |
This project tries to find common roots and connections for ... |
| Oborn surname study
|
5 |
The Oborn surname study group hopes to help Oborn people fro... |
| O'Brien
|
161 |
O'BRIEN, O'BRIAN, O'BRYAN, O'BRYEN, OBRIEN, OBREGON, BRIAN, ... |
| Ochoa
|
4 |
The Ochoa DNA Project is open to all who are interested in w... |
| O'Dair
|
6 |
Any male named O'Dair,O'Daire,ODare,ODear or any of its var... |
Oddy
 |
1 |
The Oddy DNA Project welcomes all participants. We encourage... |
| Odell
|
22 |
The Odell DNA Project is open to all who are interested in w... |
| Oden
|
9 |
The objective of the ODEN yDNA Project is to establish the g... |
| Odom
|
8 |
The Odom Family Project is open to all who are interested in... |
| O'Donnell
|
31 |
This is a Surname Project for 'O'Donnell' and all variants. |
| O'Donoghue Society
|
143 |
For people from Ó Donnchadha however spelt today. There are ... |
| ODwyer
|
43 |
The O'Dwyer Family Project welcomes all who are interested i... |
| Oehrle
|
3 |
This project is for male Oehrles and Earlys whose direct pat... |
| Ogan
|
15 |
The OGAN DNA Project is an ongoing project open to any male ... |
| Ogara
|
22 |
|
| Ogden
|
14 |
The Ogden Family Project is open to all who are interested i... |
| Oghgul
|
3 |
The two projects Oghgul & Ogle were duplicating each other. ... |
| Ogle
|
8 |
The Ogle Family Project encourages researchers to find their... |
| Oglethorpe
|
3 |
Oglethorpe, Oglethorp, Osgatharp, Osgathorpe, etc surnamed m... |
| O'Hara
|
18 |
This project is intended to supplement conventional genealog... |
| O'Higgins-Higgins
|
66 |
This project is a merger of the O'Higgins project, which has... |
| Ojeda
|
1 |
The Ojeda Family Project is open to all who are interested i... |
| Old
|
22 |
Searching for connections between the different branches of ... |
| Oldham
|
6 |
The Oldham Family Project welcomes all who are interested in... |
| Oleary
|
9 |
The Oleary Family Project is open to all who are interested ... |
| Oliphant
|
46 |
The Oliphant Clan and Family Association includes members fr... |
| Oliver
|
118 |
Our goal is to identify and connect as many Oliver lines as ... |
| Olivera
|
5 |
The Olivera Family Project is open to all who are interested... |
| Olmstead
|
31 |
The Olmste(a)d Surname Project has been set up to help peopl... |
| Olson
|
76 |
Welcome! OLSON, OLSEN, OLSSON, OLSSEN, OHLSON, OHLSSON, etc... |
| Olstein
|
5 |
There were several OLSZTAJN families living in the Lodz area... |
| O'Mahony
|
56 |
For full project details, please click on the link above and... |
| Ommert
|
8 |
From the year 1560 OMMERT families can be traced in Germany ... |
| O'Neal
|
39 |
The O'Neal Family Project welcomes all who are interested in... |
| O'Neill
|
143 |
This is a study into the DNA of surnames O'Neill and O'Neil.... |
| Oppenheim
|
11 |
|
| Orbik
|
2 |
To establish or confirm connections with people with surname... |
| Orem
|
3 |
The purpose of this project is to determine who are the Orem... |
| Orol
|
8 |
|
| Orosa
|
3 |
Website of the Orosa family of the province of Batangas in t... |
| Orr
|
16 |
The Orr Family Project is open to all who are interested in ... |
| Orrick
|
15 |
The goal of this project is to connect the various ORRICK br... |
| Ortega
|
5 |
The Ortega Family Project seeks to find common heritage thro... |
| Ortenberg and Esters
|
9 |
This group was established to enable from various families t... |
| Ortiz
|
21 |
The Ortiz Family Project seeks to find common heritage throu... |
| Osborn-Ausburn
|
117 |
This project will try to link families by DNA testing to fam... |
| O'Shea
|
94 |
Welcome to the global O'Shea yDNA Surname Project.
Any ma... |
| OShields-Osheal
|
16 |
The O'Shields Osheal DNA project welcomes male participants ... |
| Osterberg
|
2 |
This project seeks to find relationships between the differe... |
| Ostertag/Easterday
|
23 |
The OSTERTAG Family Project seeks to find common heritage th... |
| Ostrowski
|
6 |
|
| OSTRY
|
1 |
The OSTRY DNA Project has been organized for all who wish to... |
| Otero
|
3 |
The Otero Family Project is open to all who are interested i... |
| Otto
|
4 |
The Otto Family Project is open to all who are interested in... |
| Otts
|
13 |
The Otts Family Project welcomes all who are interested in w... |
| Overstreet
|
42 |
There are eight distinct Overstreet lines so far identified.... |
| Overton
|
40 |
The purpose of this Overton DNA project is to define the var... |
| Owen
|
170 |
The Owen DNA Project seeks to determine the relationship bet... |
| Owsley
|
35 |
Members of the Owsley, Ousley and Housley families are utili... |
| Oxford
|
10 |
The Oxford Family Project is open to all who are interested ... |
| Ozment
|
32 |
Determine reliability of various oral traditions versus the ... |