| Marchant | John | Trooper | Unit: D. troop. Nationality: South African - Cape Colony. Address: Cape Town. Source: List of Jameson raiders
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| Maree | James | Corporal | Unit: C. troop. Dow.Buried Doornkop. Source: List of Jameson raiders
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| Marks | Clifford Webber | Corporal | Unit: A. troop. Nationality: English. Age: 22, Address: 60/61 Mark Lane, London. Source: List of Jameson raiders
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| Maroney | Patrick W | Trooper | Unit: D. troop. Nationality: NSW. Age: 25, Address: GPO, Cape Town. Source: List of Jameson raiders
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| Martin | Herbert James | Trooper | Unit: B. troop. Nationality: English. Age: 21, Address: 43 King/'s Road, Cambridge. Source: List of Jameson raiders
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| Mattison | James Arthur | L/Corporal | Unit: K. troop. Nationality: English. Age: 31, Address: Laurel Ho.Walkington.Beverley.Yorkshire. Source: List of Jameson raiders
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| McAdam | John C | Trooper | Unit: K. troop. Nationality: South African - Cape Colony. Address: Port Elizabeth. Source: List of Jameson raiders
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| McBarnet | Donald McPherson | Trooper | Unit: K. troop. Nationality: English. Age: 24, Address: c/o J.K.Lindsay, W.S.16.QueenSt, Edinburgh. Source: List of Jameson raiders
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| McCarthy | Harry Francis | Trooper | Unit: G. troop. Detained at Pretoria by SAR, ex member of the Source: List of Jameson raiders
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| McCracken | Burnett deCrez | Sergeant | Unit: A. troop. Nationality: English. Age: 20, Address: 38 Queen St, Cannon St, London. Source: List of Jameson raiders
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| McCullum | John Wallace | Trooper | Unit: K. troop. Nationality: Scottish. Age: 27, Address: Mafeking, Bechuanaland. Source: List of Jameson raiders
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| McDonnell | John | Noncombant | Nationality: English. Address: 78 St Lawry Rd, Cape Town. Source: List of Jameson raiders
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| McGowan | William | Trooper | Unit: C. troop. Nationality: South African - Cape Colony. Address: Port Elizabeth, CC. Source: List of Jameson raiders
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| McKenzie | George S | Trooper | Unit: C. troop. Nationality: Scottish. Age: 24, Address: Aultbea, Rosshire. Source: List of Jameson raiders
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| McKinley | Alexander S | Trooper | Unit: A. troop. Nationality: Scottish. Age: 25, Address: St Jame/'s St, Glasgow. Source: List of Jameson raiders
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| McLachlan | William M | Corporal | Unit: A. troop. Nationality: English. Age: 28, Address: c/o F.Richardson Esq, 28 Fenchurch St, Ldn. Source: List of Jameson raiders
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| Mclean | James Angus Campbell | Trooper | Unit: A. troop. Nationality: English. Age: 23, Address: 14 Ethel Rd, Aiston Ho, London. Source: List of Jameson raiders
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| McMahon | Robert Donald | L/Corporal | Unit: G. troop. Nationality: English. Address: Bulawayo, Matabeleland. Source: List of Jameson raiders
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| McMillan | Donald Bather | Trooper | Unit: C. troop. Nationality: South African - Cape Colony. Address: Somerset West, CC. Source: List of Jameson raiders
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| McMullin | Samuel | Trooper | Unit: D. troop. Nationality: South African - Bechuanaland. Address: Gwelo, Matabeleland. Source: List of Jameson raiders
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