| LAST | FIRST | OUTFIT | RANK |
| O' DONNELL | Patrick | Dodson Co.-L Reg Mtd Vol | Pvt |
| O' NEIL | James | Elliott Co.-L Bat Mtd Inf | Pvt |
| O' NEIL | James | Terry Co.-1 Mtd Inf Vol | Pvt |
| O' NEIL | Moses | Miller Co.-1 Inf | Sgt |
| OAKS | Arthur L. | Cooke Co.-3 Bat Inf | Pvt |
| ODEAR | Charles | Cherry Co.-L Bat Mtd Inf | Pvt |
| ODELL | William | Hickey Co.-1 Inf | Pvt |
| ODLEY | Charles | Cherry Co.-L Bat Mtd Inf | Pvt |
| OFFICER | Samuel | Barb Co.-1 Mit Mil | Pvt |
| OFFICER | W.D. | Barb Co.-1 Mit Mil | Pvt |
| OGLE | Spencer | Tedford Co.-1 Inf | Pvt |
| OLIPHANT | Felix | Feasell Co.-2 Inf | Pvt |
| OLIPHANT | Samuel | Feasell Co.-2 Inf | Pvt |
| OLIVER | Archibald | Hudlow Co.-1 Inf | Pvt |
| OLIVER | James | Neely Co.-3 Bat Inf | Pvt |
| OLLIVER | James | Neely Co.-3 Bat Inf | Pvt |
| ORE | Calvin M. | Talbott Co.-2 Mtd Inf | Pvt |
| ORESBY | E.O. | Hunter Co.-1 Inf | Sgt |
| ORGAN | Enness | Dearing Co.-L Bat Mtd Inf | Sgt |
| ORLAH | Calvin | Hickey Co.-1 Inf | Pvt |
| ORME | John | Parham Co.-1 Mtd Inf | 1 Corp |
| ORMS | James | Parham Co.-1 Mtd Inf | Pvt |
| ORR | George | Morrow Co.-L Reg Mtd Vol | 1 Sgt |
| OSBORNE | John W. | Cooke Co.-3 Bat Inf | Pvt |
| OSBORNE | William | Cooke Co.-3 Bat Inf | Pvt |
| OVERTON | William | Dossett Co.-3 Bat Inf | Corp |
| OWEN | Benjamin M. | Cherry Co.-L Bat Mtd Inf | Pvt |
| OWEN | Francis | Cunningham Co.-L Reg Mts Vol | Pvt |
| OWEN | Jesse | Elliott Co.-L Bat Mtd Inf | Pvt |
| OWEN | John D. | Dearing Co.-L Bat Mtd Inf | Pvt |
| OWEN | Richard | Hill Co.-1 Inf | Pvt |
| OWEN | Robinson | F Co.-1 Mtd Inf | Drum Maj |
| OWEN | Wesley | Hill Co.-1 Inf | Pvt |
| OWENS | Adam | Roger Co.-3 Mtd Mil | Pvt |
| OWENS | Alfred | Hembree Co.-L Reg Mtd Vol | Pvt |
| OWENS | Edward | Hembree Co.-2 Mtd Inf | Pvt |
| OWENS | Francis | Cunningham Co.-L Reg Mtd Vol | Pvt |
| OWENS | Jacob | Roger Co.-2 Mtd Mil | Pvt |
| OWENS | John | Hembree Co.-L Reg Mtd Vol | Pvt |
| OWENS | Nicholas | Elliott Co.-L Bat Mtd Inf | Pvt |
| OWENS | Phillip P. | Morrow Co.-L Reg Mtd Vol | Pvt |
| OWENS | Samuel | Hembree Co.-2 Mtd Inf | Pvt |
| OWENS | William | Roger Co.-3 Mtd Mil | Pvt |
| OWENSBY | H. ? | Hunter Co.-1 Inf | Pvt |
| OWINGS | Edward | Hembree Co.-2 Mtd Inf | Pvt |
| OWINGS | Samuel | Hembree Co.-2 Mtd Inf | Pvt |
| OWNBEE | George | Parham Co.-1 Mtd Inf | 2 Sgt |
| OWNBY | West | West Co.-2 Mtd Inf Vol | Pvt |
| OYLER | Daniel | Standefer Co.-1 Mtd Inf Vol | Pvt |
| OYLER | Frederick | Standefer Co.-1 Mtd Inf Vol | Pvt |
| OYLER | John | Standefer Co.-1 Mtd Inf Vol | Pvt |