| Jackson | John | 177 | Private | Source: OZ-Boer database | Queensland, 4th Imperial Bushmen Contingent |
| Jackson | John | 587 | Private | 1st RPR
Source: Nominal roll in WO127 | Railway Pioneer Regiment |
| Jackson | John | 29416 | Private | Source: Nominal roll in WO127 | Rand Rifles |
| Jackson | John | 587 | | Source: Attestation papers. See image on this site. | Railway Pioneer Regiment |
| Jackson | John | 1129 | | Source: Attestation papers. See image on this site. | Railway Pioneer Regiment |
| Jackson | John | 28482 | Private | Source: Nominal roll in WO127 | Rand Rifles |
| Jackson | John | 1199 | | Source: Attestation papers. See image on this site. | Railway Pioneer Regiment |
| Jackson | John | | Orderly | Source: Nominal roll in WO127 | Imperial Hospital Corps |
| Jackson | John | | Orderly | Source: Nominal roll in WO127 | Imperial Hospital Corps |
| Jackson | John | 33826 | Private | Source: QSA Medal Rolls | 94th Company, 24th Btn, IY |
| Jackson | John | 318 | | Source: Medal rolls | Canada, Royal Canadian Artillery |
| Jackson | John | 41075 | Trooper | 2nd Battalion
Source: QSA Medal Rolls | Scottish Horse |
| Jackson | John | 41075 | Trooper | Served 02 Apr 02 to 06 Jul 02. Discharged Disbandment
Source: Nominal roll in WO127 | Scottish Horse |
| Jackson | John | | | 1st Battalion
Source: QSA and KSA medal rolls | Scots Guards |
| Jackson | John | 7118 | Bombardier Wheeler | QSA (3) CC OFS Tr
Source: WO100/146 | Elswick Artillery Volunteers |
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