| Surname | Initials | Rank | Army No. | ||
|---|---|---|---|---|---|
| O'Neill | D | Private | 10630227 | ||
| O'Niell | D | Corporal | .562 | ||
| O'Quinn | B P | Lance Corporal | 7687579 | ||
| O'Raw | S | Lance Corporal | P/10941 | ||
| O'Rawe | J | Lance Corporal | P/18442 | ||
| O'Reilly | M | Pte A/Sgt | P/1674 | ||
| O'Reilly | W J | Sergeant | 6396323 | ||
| O'Reilly | M | Lance Corporal | P/17884 | ||
| O'Reilly | D J | Warrant Officer II | 25064030 | ||
| O'Reilly | E | Lance Corporal | P/7941 |