| O'Toole | Edmond | | | BSACM Mashonaland 1890 (0).
Source: BSACM rolls | Pioneer Corps |
| O'Toole | P | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Bulawayo Field Force |
| O’Breen | J E | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | British South Africa Police |
| O’Connell | John | | | BSACM Mashonaland 1890 (0).
Source: BSACM rolls | Pioneer Corps |
| O’Dwyer | Jno Carew | 98 | Sergeant | BSACM Rhodesia 1896 (1) Mashonaland 1897.
Source: BSACM rolls | British South Africa Police |
| O’Malley | J | 26145 | Sapper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Royal Engineers |
| O’Neill | I I | 5258 | Private | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Royal Irish Regiment |
| O’Regan | Thomas | | Trooper | BSACM Matabeleland 1893 (0).
Source: BSACM rolls | Victoria Column |
| O’Reilly | James Thomas | 1568 | Trooper | BSACM Matabeleland 1893 (1) Rhodesia 1896. 1896: Cpl. Remount Dept. BFF.
Source: BSACM rolls | Bechuanaland Border Police |
| Oakes | Frank H A | 453 | Trooper | BSACM Mashonaland 1897 (0). BSACM reverse Mashonaland 1897 (453. Troopr. F. H. A. Oakes. B. S. A. Police. ). DNW May 2017 £420.
Source: BSACM rolls | British South Africa Police |
| Oakley | D | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Matabeleland Relief Force |
| Oatley | W H | | Lieutenant | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Matabeleland Relief Force |
| Oats | F E | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Matabeleland Relief Force |
| Oberholzer | D | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Salisbury Field Force |
| Oberholzer | G E | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Salisbury Field Force |
| Octavia | | | Sister | BSACM Matabeleland 1893 (0). Medals for Matabeleland were issued to the Reverend Mother Jacoba and the eight Nursing Nuns under her. Of these nine medals, all but two are accounted for in the Dominican convents at Johannesburg and King William's Town. The medal to Sister Octavia is the only one known in a private collection, the whereabouts of that to Sister Mechtild remain a mystery. BSACM reverse Matabeleland 1893 (Sister Octavia). DNW December 1991 £960.
Source: BSACM rolls | Bechuanaland Border Police |
| Oddy | William | 3323 | Private | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | (Duke of Wellington's) West Riding Regiment |
| Odiarthy | G K | | Trooper | BSACM Rhodesia 1896 (1) Mashonaland 1897.
Source: BSACM rolls | Umtali Volunteer Corps |
| Offin | E B | | Trooper | BSACM Rhodesia 1896 (1) Mashonaland 1897.
Source: BSACM rolls | Umtali Volunteer Corps |
| Ogilvie | James | 1900 | Trooper | BSACM Matabeleland 1893 (0).
Source: BSACM rolls | Bechuanaland Border Police |
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