| Last Name | First Name | M.I. | Rank | Service/Serial # | Branch | War/Conflict | Cemetery/Memorial | Entered From | Unit |
|---|---|---|---|---|---|---|---|---|---|
| O'Connell | Richard | D. | Second Lieutenant | O-750092 | U.S. Army Air Forces | World War II | Cambridge American Cemetery | Michigan | 495th Bomber Squadron, 344th Bomber Group, Medium |
| O'Connell | William | J. | Second Lieutenant | O-799054 | U.S. Army Air Forces | World War II | Cambridge American Cemetery | New York | Air Corps |
| O'Connell | William | P. | First Lieutenant | O-746160 | U.S. Army Air Forces | World War II | Cambridge American Cemetery | California | 385th Fighter Squadron, 364th Fighter Group |
| O'Connor | James | J. | Technical Sergeant | 20257778 | U.S. Army Air Forces | World War II | Cambridge American Cemetery | New York | 480th Anti-Aircraft Arty (Automatic Weapons) Battalion |
| O'Dea | John | F. | Private | 32273830 | U.S. Army | World War II | Cambridge American Cemetery | New York | 245th Quartermaster Depot Company |
| O'Dell | Homer | T. | Staff Sergeant | 37730702 | U.S. Army | World War II | Cambridge American Cemetery | Missouri | 28th Infantry Regiment, 8th Infantry Division |
| O'Donnell | William | J. | First Sergeant | 13019815 | U.S. Army | World War II | Cambridge American Cemetery | Pennsylvania | 27th Ordnance Battalion |
| O'Donoghue | James | J. | Second Lieutenant | O-799440 | U.S. Army Air Forces | World War II | Cambridge American Cemetery | New York | 509th Bomber Squadron, 351st Bomber Group, Heavy |
| O'Grady | John | W. | Seaman Second Class | 541200 | U.S. Coast Guard | World War II | Cambridge American Cemetery | New York | |
| O'Grady | Thomas | P. | Staff Sergeant | 32792816 | U.S. Army Air Forces | World War II | Cambridge American Cemetery | New York | 303rd Squadron, 442nd Troop Carrier Group |