| Surname | Initials | Rank | Army No. | ||
|---|---|---|---|---|---|
| Orr | G | Lance Corporal | 7758280 | ||
| Orr | J C W | Captain | 197411 | ||
| Orrell | M A J | Sergeant | 24682324 | ||
| Orrell | B M L | Captain | 25148688 | ||
| Orrey | H | Private | 3966008 | ||
| Orriss | C C | Private | 5827735 | ||
| Orsman | P | Lance Corporal | P/17734 | ||
| Orsman | P | Lance Corporal | .940 | ||
| Orsman | P | Lance Corporal | 7681175 | ||
| Orth | C | Lance Corporal | P/10399 |