| Surname | Initials | Rank | Army No. | ||
|---|---|---|---|---|---|
| Sisson | F | 2nd Lieutenant | 185070 | ||
| Sissons | F G | Lance Corporal | 7882300 | ||
| Sissons | H D E | Private | 4715344 | ||
| Sitch | T W | Lance Corporal | P/17200 | ||
| Sitch | G W | Lance Corporal | P/14764 | ||
| Sitters | C. C. J. | Lieutenant Colonel | 176019 | ||
| Siveri | S R | Sergeant | 25073264 | ||
| Sivier | R W G S | Sergeant | 5496456 | ||
| Sivorn | S | Lance Corporal | P/12918 | ||
| Sizeland | P H | Lance Corporal | P/15404 |