| Cook | J | 2510 | Private | Wounded. Modder Rivier, 28 November 1899
1st Battalion.
Source: South African Field Force Casualty Roll | Scots Guards |
| Cook | J | 5488 | Private | Wounded. Standerton, 12 November 1900
Source: South African Field Force Casualty Roll | Prince of Wales's Leinster Regiment (Royal Canadia |
| Cook | J | 651 | | B Company
Source: Nominal roll in WO127 | DEOVR |
| Cook | J | 3253 | Driver | QSA (4)
Source: List of QSAs with the clasp Talana from the Talana book | 67th Battery, RFA |
| Cook | J | 3918 | Private | QSA (4).
Source: QSA medal rolls | 13th Hussars |
| Cook | J | 48 | Quartermaster Sergeant | Frontier Wars. SAGS (1) 1877-8-9. 5th Brigade, N Battery. Died | Royal Artillery |
| Cook | J | 4226 | Private | QSA (5).
Source: QSA medal rolls | 13th Hussars |
| Cook | J | 112 | Private | Frontier Wars. SAGS (1) 1879. KIA | Royal Warwickshire Regiment |
| Cook | J | 4364 | Private | QSA (3). Prisoner, near Wolmaranstad, 24 Jul 01. Released.
Source: QSA medal rolls | 5th (Princess Charlotte of Wales's) Dragoon Guards |
| Cook | J | | Leading Shipwright | QSA (0). Ref: 132.437.
Source: QSA medal rolls | HMS Forte |
| Cook | J | 29B/1732 | Private | Frontier Wars. SAGS (1) 1879. Deserted | Northamptonshire Regiment |
| Cook | J | 4375 | Private | QSA (4). Danger Wound, Vaalkop O.R.C, 17 Apr 01. Died of Wounds, 20 Apr 01.
Source: QSA medal rolls | 9th (The Queen's Royal) Lancers |
| Cook | J | 345 | Trooper | Frontier Wars. SAGS (1) 1879 | Frontier Light Horse |
| Cook | J | | Private | Frontier Wars. SAGS (1) 1877-8. Medal returned. No 1 Company | Port Elizabeth Militia |
| Cook | J | | Private | Frontier Wars. SAGS (1) 1877-8 | Frontier Mounted Rifles |
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