| McCallum | M | | Lieutenant | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Belingwe Column |
| McCallum | Malcolm | | | Prisoner number: 22986
Captured: Tonteldoos 27 Aug 1901
Sent to: India, Shahjahanpur
Age: 48
Address: Johannesburg
Source: Anglo Boer War Museum 2016 | Boer Forces |
| McCallum | P | | Trooper | Natal 1906 (1)
Source: Recipients of the Natal 1906 Medal | Royston's Horse |
| Mccallum | P | | | 1st Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| McCallum | P | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Duke of Albany's Ross-shire Buffs) Seaforth Highl |
| Mccallum | Peter | 2736 | Trooper | 1st Battalion
Source: Nominal roll in WO127 | Imperial Light Horse |
| McCallum | Peter | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Duke of Albany's Ross-shire Buffs) Seaforth Highl |
| McCallum | R | | | 1st Battalion
Source: Medal rolls | (Princess Louise's) Sutherland and Argyll Highland |
| McCallum | R | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Scots (Lothian Regiment) |
| McCallum | R | | Private | Frontier Wars. SAGS (1) 1877-8-9. No 6 Troop | Cape Mounted Rifles |
| Mccallum | R | | | 2nd Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| Mccallum | R | | | Source: QSA and KSA medal rolls | New Zealand, 6th Contingent |
| McCallum | R E | | Colonel | Natal 1906 (0)
Source: Recipients of the Natal 1906 Medal | Staff |
| McCallum | R J | | Sergeant | CGHGSM (1) Basutoland
Source: Roll of the CGHGSM | Cape Mounted Riflemen |
| Mccallum | R J | | | Late District Mounted Rifles
Source: QSA and KSA medal rolls | Frontier Light Horse |
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