| Cookson | A | | | 6th Battalion
Source: QSA and KSA medal rolls | Royal Warwickshire Regiment |
| Cookson | A | | | 1st Volunteer Company, 2nd Battalion
Source: Medal rolls | Cheshire Regiment |
| Cookson | A | | | Volunteer Company, 2nd Battalion
Source: Medal rolls | Cheshire Regiment |
| Cookson | A | | | 2nd Battalion, 1st Volunteer Service Company
Source: QSA and KSA medal rolls | Cheshire Regiment |
| Cookson | Arthur | 28497 | Sapper | QSA (5) Belm MR OFS Tr SA01
TNA ref 156/4 | Royal Engineers, Railway Company, 8th |
| Cookson | Arthur Aubrey | 581 | Trooper | Source: Nominal roll in WO127 | Bushveldt Carabineers |
| Cookson | Arthur Aubrey | | | Source: WO100/263 | Bushveldt Carabineers |
| Cookson | C | 5020 | Private | 2nd Battalion
Demise: Died of disease - enteric fever 06 May 1900
Place: Bloemfontein
Source: In Memoriam by S Watt | Royal Warwickshire Regiment |
| Cookson | C | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Warwickshire Regiment |
| Cookson | C | | | 3rd Battalion
Source: QSA and KSA medal rolls | East Lancashire Regiment |
| Cookson | C | 4494 | Private | QSA (5).
Source: QSA medal rolls | 1st (King's) Dragoon Guards |
| Cookson | C | 5020 | Private | Died of disease. Bloemfontein, 6 May 1900
2nd Battalion.
Source: South African Field Force Casualty Roll | Royal Warwickshire Regiment |
| Cookson | Edwin | 9779 | Trooper | Source: Nominal roll in WO127 | Kitchener's Horse |
| Cookson | F | | Lieutenant | Frontier Wars. SAGS (1) 1879 | (Princess Louise's) Sutherland and Argyll Highland |
| Cookson | F | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Warwickshire Regiment |
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