| Slater | W | 622 | Private | Frontier Wars. SAGS (1) 1879 | (Cameronians) Scottish Rifles |
| Slater | W C H | | | Source: WO100/280 | Albany DMT |
| Slater | W C H | 2811 | Inspector | Weil's Transport
Source: QSA and KSA medal rolls | Imperial Transport Service |
| Slater | W F | 301 | Trooper | Source: QSA medal roll in WO100/286 | Uitenhage DMT |
| Slater | W F | 200 | Private | D Troop
Source: QSA medal roll in WO100/286 | Uitenhage DMT |
| Slater | W J | 876 | Private | Demise: Drowned 10 Jan 1902
Place: Hunyani River
Source: In Memoriam by S Watt | British South Africa Police |
| Slater | W J | 876 | Private | Drowned. Hunyani River, 10 January 1902
Mashonaland Division
Source: South African Field Force Casualty Roll | British South Africa Police |
| Slater | W J | 50B/1236 | Private | Frontier Wars. SAGS (1) 1879 | (Duke of Cambridge's Own) Middlesex Regiment |
| Slater | W N | 89 | Private | Enrolled 10 Dec 01
Source: Nominal roll in WO127 | King Williamstown TG |
| Slater | W P | | | 1st Battalion
Source: WO100/281 | Grahamstown TG |
| Slater | Walter | 43452 | Trooper | No known Company. Served in 33rd Btn IY
Source: QSA Medal Rolls | Imperial Yeomanry |
| Slater | Walter | 1617 | Private | Source: OZ-Boer database | Victoria, 5th Mounted Rifles Contingent |
| Slater | Walter Henry | 20915 | Private | Served 26 Jan 01 to 25 Apr 01. Time Expired
Source: Nominal roll in WO127 | Cape Colony Cyclist Corps |
| Slater | William | | | Source: QSA and KSA medal rolls | Western Province Mounted Rifles |
| Slater | William | 26119 | Scout | Served 22 Jan 01 to 08 May 01. Discharged M/U C.T.
Source: Nominal roll in WO127 | Scottish Horse |
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