| Person # | Name | Rank | Regiment | Date of Death |
|---|---|---|---|---|
| 622 | Arbuckle, Robert Irwin | Private | 4th South African Infantry | 1917-04-12 |
| 1182 | Barr, Alexander Irwin | Sub-Lieutenant | South African Navy (Corps) | 1942-02-27 |
| 9512 | Hayes, Irwin Alexander | Private | Duke of Edinburgh's Own Rifles | 1941-02-22 |
| 49361 | Irwin, | Sergeant | British South Africa Police | 1900-05-13 |
| 10720 | Irwin, Beresford Herbert Charles | Sergeant | South African Artillery (Corps) | 1944-10-13 |
| 13091 | Lazarus, Nevil Irwin | Bombardier | South African Artillery (Corps) | 1942-06-14 |
| 25200 | Thorne, Walter Irwin | Lance Sergeant | 4th South African Infantry | 1917-12-08 |