| Jacobs | J | 45/1026 | Lance Corporal | Frontier Wars. SAGS (1) 1879 | (Buffs) East Kent Regiment |
| Jacobs | J | | Stoker | Frontier Wars. SAGS (0) | HMS Active |
| Jacobs | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Duke of Edinburgh's) Wiltshire Regiment |
| Jacobs | J | 2550 | Private | 1st Battalion
Source: QSA roll | Loyal North Lancashire Regiment |
| Jacobs | J | | | 1st Battalion
Source: QSA and KSA medal rolls | Suffolk Regiment |
| Jacobs | J | | Private | Demise: Killed by lightning 13 Nov 1900
Place: Machadodorp
Source: In Memoriam by S Watt | Cape Medical Staff Corps |
| Jacobs | J | | | Source: WO100/281 | Fraserburg Town Guard |
| Jacobs | J | | Private | Served 28 Jul 00 to 13 Nov 00. Irregular. KIA Machadodorp
Source: Nominal roll in WO127 | Cape Medical Staff Corps |
| Jacobs | J | | | Source: WO100/279 | Cape Government Railways |
| Jacobs | J | | | Source: WO100/279 | Cape Government Railways |
| Jacobs | J | | | Source: WO100/286 | Warrenton TG |
| Jacobs | J | | | 3rd Battalion
Source: QSA and KSA medal rolls | South Wales Borderers |
| Jacobs | J | 2493 | Trooper | Discharged 11 Apr 01 by regiment
Source: Nominal roll in WO127 | South African Light Horse |
| Jacobs | J | | | 2nd Battalion
Source: QSA and KSA medal rolls | Lincolnshire Regiment |
| Jacobs | J | | | Source: QSA and KSA medal rolls | South African Constabulary |
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