| Last Name | First Name | M.I. | Rank | Service/Serial # | Branch | War/Conflict | Cemetery/Memorial | Entered From | Unit |
|---|---|---|---|---|---|---|---|---|---|
| O'Brien | William | J. | Sergeant | 36627065 | U.S. Army | World War II | Epinal American Cemetery | Illinois | 25th Tank Battalion, 14th Armored Division |
| O'Brien | Willis | T. | Private | 36966869 | U.S. Army | World War II | Epinal American Cemetery | Illinois | 315th Infantry Regiment, 79th Infantry Division |
| O'Connell | Michael | R. | Private | 42045010 | U.S. Army | World War II | Epinal American Cemetery | New York | 141st Infantry Regiment, 36th Infantry Division |
| O'Connor | James | F. | Private First Class | 32728944 | U.S. Army | World War II | Epinal American Cemetery | New York | 191st Tank Battalion |
| O'Donnell | Raymond | T. | Corporal | 32672309 | U.S. Army | World War II | Epinal American Cemetery | New York | 48th Tank Battalion, 14th Armored Division |
| O'Donnell | Ronald | F. | Private First Class | 36591722 | U.S. Army | World War II | Epinal American Cemetery | Michigan | 25th Tank Battalion, 14th Armored Division |
| O'Kane | James | Sergeant | 32623914 | U.S. Army Air Forces | World War II | Epinal American Cemetery | New York | 78th Squadron, 435th Troop Carrier Group | |
| O'Leary | Cornelius | F. | Technical Sergeant | 31160055 | U.S. Army Air Forces | World War II | Epinal American Cemetery | Massachusetts | 36th Bomber Squadron, 482nd Bomber Group, Heavy |
| O'Malley | Edwin | P. | Sergeant | 36006286 | U.S. Army | World War II | Epinal American Cemetery | Illinois | 106th Cavalry Reconnaissance Squadron |
| O'Neal | Harry | Technician Fifth Grade | 39244782 | U.S. Army | World War II | Epinal American Cemetery | California | 411th Infantry Regiment, 103rd Infantry Division |