| Mearns | J | 510 | Gunner | Missing. Mafeking, 26 November 1901
Rejoined
Source: South African Field Force Casualty Roll | Cape Garrison Artillery |
| Mearns | J | | | Source: QSA and KSA rolls | Cape Garrison Artillery |
| Mearns | J H | | | Source: WO100/284 | Prince Albert TG |
| Mearns | James | 31834 | Squadron Sergeant Major | Source: QSA Medal Rolls | 66th Company, 3rd Btn, IY |
| Mearns | John | 1612 | Trooper | Served 06 Aug 01 to 10 Mar 02 Medically unfit
Source: Nominal roll in WO127 | Bethune's Mounted Infantry |
| Mearns | John | | | Source: Attestation paper in WO126 | Bethune's Mounted Infantry |
| Mearns | John | 37600 | Trooper | 2nd Battalion
Source: QSA Medal Rolls | Scottish Horse |
| Mearns | John | 37600 | Trooper | Served 06 Feb 02 to 03 Sep 02. Discharged Aldershot
Source: Nominal roll in WO127 | Scottish Horse |
| Mearns | P | 6315 | Private | QSA (6)
Source: List of QSAs with the clasp Talana from the Talana book | Royal Dublin Fusiliers |
| Mearns | P | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Dublin Fusiliers |
| Mearns | R | | Levy Leader | Frontier Wars. SAGS (0) | Colonial Commanders & Levy Leaders |
| Mearns | R | 3390 | Private | QSA (5).
Source: QSA medal rolls | 2nd Dragoons (Royal Scots Greys) |
| Mearns | S | | Ordinary Seaman | Frontier Wars. SAGS (0) | HMS Tenedos |
| Mearns | W | | | Source: QSA and KSA medal rolls | South African Constabulary |
| Mearns | W | | | 1st Battalion. Attached ASC
Source: QSA and KSA medal rolls | Highland Light Infantry |
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