| Slack | A E | 51 | Corpl | Also served NFA
Source: Nominal roll in WO127 | Natal Volunteer Composite Regiment |
| Slack | A E | 172 | Bombardier | QSA (4)
Source: List of QSAs with the clasp Elandslaagte | Natal Field Artillery |
| Slack | A E | | Sgt | B Battery. Natal 1906 (1)
Source: Recipients of the Natal 1906 Medal | Natal Field Artillery |
| Slack | A E | | | 3rd Battalion
Source: QSA and KSA medal rolls | East Yorkshire Regiment |
| Slack | A E | 172 | Bombardier | Served 30 Sep 99 to 31 May 02.
Source: Nominal roll in WO127 | Natal Field Artillery |
| Slack | Albert Henry | 22092 | Trooper | Source: QSA Medal Rolls | 12th Company, 3rd Btn, IY |
| Slack | Arthur | 30188 | Trooper | Source: QSA Medal Rolls | 105th Company, 8th Btn, IY |
| Slack | Douglash | | | B Division
Source: QSA and KSA medal rolls | South African Constabulary |
| Slack | E | 610 | Private | Frontier Wars. SAGS (1) 1878 | South Staffordshire Regiment |
| Slack | F | | | 1st Battalion
Source: QSA and KSA medal rolls | (Princess of Wales's Own) Yorkshire Regiment |
| Slack | F | | | 1st Battalion, attached 3rd Battalion
Source: QSA and KSA medal rolls | (Princess of Wales's Own) Yorkshire Regiment |
| Slack | Fred William | | Leader | Source: Nominal roll in WO127 | Imperial Hospital Corps |
| Slack | Frederick William | | Leader | Served 13 Dec 99 to 12 Mar 00.
Source: Nominal roll in WO127 | Natal Volunteer Ambulance Corps |
| Slack | G | 2123 | Corporal | Frontier Wars. SAGS (1) 1879 | 1st (Royal) Dragoons |
| Slack | G | 2421 | Private | Frontier Wars. SAGS (0) | Royal Scots Fusiliers |
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