| Cook | R A | | | 2nd Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| Cook | R G | | | Source: QSA and KSA medal rolls | South African Constabulary |
| Cook | R H | | | 2nd Battalion
Source: QSA and KSA medal rolls | East Yorkshire Regiment |
| Cook | R J | | | Source: WO100/231 | City Imperial Volunteers |
| Cook | R J | | | 1st Battalion
Source: QSA and KSA medal rolls | East Lancashire Regiment |
| Cook | R J R | | | Source: QSA and KSA medal rolls | South African Constabulary |
| Cook | R J R | 962 | Trooper | Severely wounded. Near Surrey Dam, 3 May 1901
E Division.
Source: South African Field Force Casualty Roll | South African Constabulary |
| Cook | R T | | Private | Frontier Wars. SAGS (1) 1878 | Graaff Reinet Volunteers |
| Cook | R W | | Trooper | Natal 1906 (1)
Source: Recipients of the Natal 1906 Medal | Natal Police |
| Cook | Reginald Adrian | 1151 and 154 | Trooper | 2nd Battalion
Source: Nominal roll in WO127 | Imperial Light Horse |
| Cook | Reppard | | Trooper | BSACM Mashonaland 1897 (0).
Source: BSACM rolls | British South Africa Police |
| Cook | Richard | | | Source: WO100/283 | Knysna TG |
| Cook | Richard Edw | | | Source: QSA and KSA medal rolls | New Zealand, 9th Contingent |
| Cook | Robert | 1584 | Corporal | Served 14 Dec 01 to 07 Feb 03. Disble
Source: Nominal roll in WO127 | Steinaecker's Horse |
| Cook | Robert | 28 | | Occupation: Compositor. Next of kin: Wife. Address: Nicol Street .
Source: Attestation paper in WO126 | Town Guard and District Mounted Troops |
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