| Brown | John Stewart | | Trooper | Served 24 Feb 02 to 15 Jul 02. Disbandment, Special Sqn.
Source: Nominal roll in WO127 | Steinaecker's Horse |
| Brown | John T | | | Source: WO100/286 | Vryburg TG |
| Brown | John T | 147 | | Source: Medal rolls | Canada, 2nd Canadian Mounted Rifles |
| Brown | John Tench | | | QSA (1)
Source: List of QSAs with the clasp Talana from the Talana book | Dundee Town Guard |
| Brown | John Thomas | 26983 | Lance Corporal | Source: QSA Medal Rolls | 42nd Company, 12th Btn, IY |
| Brown | John Thomas | 35340 | Private | Served 22 Aug 01 to 13 Dec 01. Time Expired
Source: Nominal roll in WO127 | Cape Colony Cyclist Corps |
| Brown | John Thomas | 189 | Trooper | Source: Nominal roll in WO127 | Western Light Horse |
| Brown | John William | 9793 | Lance Corporal | Source: Nominal roll in WO127 | Kitchener's Horse |
| Brown | John William | | | Source: QSA and KSA medal rolls | Prince Alfred's Volunteer Guard |
| Brown | John William | | | District 2
Source: QSA and KSA rolls | Cape Police |
| Brown | John William | 9793 | Trooper | Source: Nominal roll in WO127 | SAMIF |
| Brown | John William | 1447 | Squadron Sergeant Major | Served in 1st KFS. Joined Pietermaritzburg 16 Jul 01 Discharged 15 Oct 02 disbandment Coronation
Source: Nominal roll in WO127 | Kitchener's Fighting Scouts |
| Brown | John William | 44 | Private | Source: OZ-Boer database | Queensland, 1st Mounted Infantry Contingent |
| Brown | John William | 940 | Private | Source: OZ-Boer database | Queensland, 1st Battalion Australian Commonwealth |
| Brown | John William | 36827 | | Source: Attestation paper in WO126 | Brabant's Horse |
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