| Brown | John J | 313 | | Source: Medal rolls | Canada, 2nd Royal Canadian Regiment of Infantry |
| Brown | John James | 60 | | Source: Medal rolls | Canada, 2nd Canadian Mounted Rifles |
| Brown | John Jewell | 10198 | Private | Source: QSA Medal Rolls | 56th Company, 15th Btn, IY |
| Brown | John Lawrence | 31377 | Trooper | Source: QSA Medal Rolls | 50th Company, 17th Btn, IY |
| Brown | John Nevin | 186 | Trooper | Source: Nominal roll in WO127 | Colonial Scouts |
| Brown | John Niven | 0 | Lieutenant | Served in 1st KFS. Joined enlisted 7 Dec 00 2 Feb 01 transferred 29 Apr 01 2KFS Captain
Source: Nominal roll in WO127 | Kitchener's Fighting Scouts |
| Brown | John Niven | 0 | Lieutenant/Captain | Served in 2nd KFS. Joined 2 Feb 01 30 Apr 01 disbandment 7 Jul 02
Source: Nominal roll in WO127 | Kitchener's Fighting Scouts |
| Brown | John Ranby | 6006 | Lance Corporal | Source: QSA Medal Rolls | 39th Company, 10th Btn, IY |
| Brown | John Rbertson | 484 | Private | Source: Nominal roll in WO127 | Imperial Light Infantry |
| Brown | John Riddle | 47 | Private | Source: OZ-Boer database | South Australia, 1st Mounted Rifles Contingent |
| Brown | John Riddle | 1035 | Private | Source: OZ-Boer database | South Australia, 2nd Battalion Australian Commonwe |
| Brown | John Roberston | 15 | Private | Source: OZ-Boer database | Queensland, 3rd Mounted Infantry Contingent |
| Brown | John Samuel | 39298 | Lance Sergeant | No known Company. Served in 27th Btn IY
Source: QSA Medal Rolls | Imperial Yeomanry |
| Brown | John Stewart | 4925 | Trooper | Served 17 Mar 1900 to 25 Feb1901. No. 1 Co. Discharged Cape Town completion of service
Source: Nominal roll in WO127 | Border Horse |
| Brown | John Stewart | | Trooper | Served 24 Feb 02 to 15 Jul 02. Disbandment, Special Sqn.
Source: Nominal roll in WO127 | Steinaecker's Horse |
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