| Surname | Locale | Submitter |
|---|---|---|
| O'BARR | All Counties | janasta498@aol.com Jamie Anastasio |
| OLLIS | Floyd | pollis@mail.tds.net Prentis L. Ollis |
| O'NEAL | All Counties | c5ash@worldnet.att.net Cliff Fiveash |
| O'REAR | All Counties | deroach@prodigy.net Delores Roach |
| OLIVER | All Counties | LWheat3888@aol.com Lisa Wheat |
| OLIVER | Walker, Dade | oliverd62@aol.com Douglas A. Oliver |
| ORME, ORMES, ORMS | Pickens County | TexasVRS2@aol.com Valencia R. Smotherman |
| ORR | Gilmer | KingsKourt@aol.com Deborah L. (McClelland) King |
| OSTEEN | All Counties | jeatbull@lightspeed.net Jeat Bullock |
| OSWALD | All Counties | grbethune@aol.com Roy Bethune |
| OWEN | Floyd, Gordon, Cherokee, and Bartow |
msfranw@aol.com Fran Weatherby |
| OWENS | Dade | Fowens5@aol.com Sandra Fleming |
| OXFORD | Whitfield | Marcene2@aol.com Marcene Oxford |