| North | Albert | Trooper | Unit: K. troop. Nationality: English. Age: 20, Address: Laisterdyke, Bradford, Yorkshire. Source: List of Jameson raiders
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| O/'Dea | Thomas | Trooper | Unit: A. troop. Nationality: USA. Age: 26, Address: 198 Centre St, Boston, Mass, USA. Source: List of Jameson raiders
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| O/'Farrell | Edward Joseph | Trooper | Unit: C. troop. Nationality: Irish. Age: 23, Address: Kimberley, Griqualand West. Source: List of Jameson raiders
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| O/'Leary | John Joseph | SM | Unit: C. troop. Nationality: South African - Cape Colony. Address: Grahamstown.CC. Source: List of Jameson raiders
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| Olivers | John Redan | Trooper | Unit: C. troop. Nationality: English. Age: 23, Address: Cape Town, Source: List of Jameson raiders
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| Olsson | Gustave A | Trooper | Unit: A. troop. Nationality: Swed. Address: Husum, Sweden. Source: List of Jameson raiders
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| Osler | F | Trooper | Unit: K. troop. Killed in actiion, not listed on Gaberones Archive lists. Source: List of Jameson raiders
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| Paley | John A F | Trooper | Unit: G troop. Nationality: English. Address: 42 Stanford Place, Brighton. Source: List of Jameson raiders
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| Palmer | James Albert | Sergeant | Unit: C. troop. Nationality: English. Address: 3 Belgrave Gdns, Wandsworth, London. Source: List of Jameson raiders
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| Palmer | William John | Trooper | Unit: Artillery. Nationality: English. Age: 32, Address: Cleveland House, Swansea. Source: List of Jameson raiders
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| Parke | William Henry | Corporal | Unit: A. troop. Nationality: Irish. Age: 25, Address: Cloghur Ho.Drumsua, Roscommon, Ireland. Source: List of Jameson raiders
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| Parker | George Bertie | Corporal | Unit: B. troop. Nationality: English. Age: 30, Address: 3 Church Walk, St Giles, Oxford, England. Source: List of Jameson raiders
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| Parkin | Julius Minet | Trooper | Unit: Artillery. Nationality: South African - Cape Colony. Address: Thorn Hill, nr Port Elizabeth. Source: List of Jameson raiders
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| Parr | Henry Allen | Trooper | Unit: A. troop. Nationality: English. Age: 29, Address: Mafeking, Bechuanaland. Source: List of Jameson raiders
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| Paton | Frederick William | Trooper | Unit: Artillery. Nationality: Scottish. Age: 36, Address: Aberdeen. Source: List of Jameson raiders
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| Pattinson | Reginald | Trooper | Unit: C. troop. Nationality: English. Age: 22, Address: 307 Edge Lane, Liverpool. Source: List of Jameson raiders
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| Paul | Arthur H D | Trooper | Unit: Artillery. Nationality: English. Age: 20, Address: 12 Camden Crescent, Landsdown , Bath. Source: List of Jameson raiders
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| Payne | George R | Trooper | Unit: G. troop. Nationality: English. Address: Sea View Ho, Kingston by Sea, Sussex. Source: List of Jameson raiders
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| Pechell | William Kerr | Trooper | Unit: Artillery. Nationality: English. Age: 22, Address: 27 Great Cumberland Place, London. Source: List of Jameson raiders
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| Pender | John Stuart Menzies | Trooper | Unit: B. troop. Nationality: Scottish. Age: 28, Address: 12 Hogarth Rd, London. Source: List of Jameson raiders
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