

| LAST NAME | FIRST NAME | RANK | COMPANY | PAGE | ADDITIONAL INFO |
|---|---|---|---|---|---|
| Odell | William M. | Private | One Year - F | 256 | Reunion Lewis B. Hull's Biography Hull's Diary 1861-1862 |
| O'Driskell | Cornelius | Private | One Year - C | 251 | |
| Ohle | Samuel | Private | Three Year - F | 281 | |
| Olijy | Jule | Private | One Year - I | 262 | |
| Omarra | Richard | Corporal | Three Year - K | 291 | |
| O'Niel | Michael | Private | One Year - E | 254 | Ohio CW Veterans Graves Registration (See O'Neil) |
| Orange | James C. | Private | One Year - A | 247 | |
| Orr | James | Private | One Year - H | 260 | |
| Osborn | David W. | Corporal | Three Year - I | 289 | |
| Osborn | Jas. H. | Unknown | Three Year - I | None | Salisbury Prisoner |
| Osburn | David | Private | Three Year - D | 277 | Biography |
| Osman | John W. | Corporal | Three Year - A | 268 | |
| Ott | Brent | Private | One Year - C | 251 | |
| Overman | James | Private | One Year - F | 256 | Hayes County Civil War Vets |
| Overstake | George W. | Private | One Year - A | 247 | |
| Overstake | Henry C. | Private | One Year - A | 247 | |
| Overstake | Peter | Private | One Year - A | 247 |

| A | B | C | D | E | F | G | H | I | J | K | L | M |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |

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