| Ollis | Arthur | 1977 | Private | BSACM Matabeleland 1893 (0). BSACM Matabeleland 1893 (1977 1st Class Pte., C. M. R.); QSA (2) Cape Colony, Wepener (1977 Corpl., Cape M.R.); KSA, 2 clasps (1977 Serjt., Cape M.R.). DNW December 2013 £1150.
Source: BSACM rolls | Cape Mounted Rifles |
| Olney | B N | | Bandsman | BSACM Rhodesia 1896 (0). BSACM Rhodesia 1896 (Bandsman, B. F. F.); QSA (4) Transvaal, Cape Colony, Orange Free State, Johannesburg (13 S. S. Maj., Scottish Horse). DNW December 1992 £200.
Source: BSACM rolls | Bulawayo Field Force |
| Olyott | John | 2150 | Trooper | BSACM Matabeleland 1893 (0).
Source: BSACM rolls | Bechuanaland Border Police |
| Ommaney | M F | | Trooper | BSACM Rhodesia 1896 (1) Mashonaland 1897.
Source: BSACM rolls | Umtali Volunteer Corps |
| Onate | F P (Or D) De | | Trooper | BSACM Rhodesia 1896 (1) Mashonaland 1897.
Source: BSACM rolls | Rhodesia Horse Volunteers |
| Oomploier | Peter | | Corporal | BSACM Matabeleland 1893 (0).
Source: BSACM rolls | Victoria Column |
| Oosthuijsen | G J | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Afrikander Corps |
| Oosthuijsen | J H | | Corporal | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Afrikander Corps |
| Oosthuijsen | T H | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Afrikander Corps |
| Oosthuisen | D J | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Mangwe Field Force |
| Oosthuisen | William | | Corporal | BSACM Matabeleland 1893 (1) Rhodesia 1896. 1896: Tpr. Mangwe FF.
Source: BSACM rolls | Victoria Column |
| Oosthuizen | D | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Bulawayo Field Force |
| Oosthuizen | G J | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Afrikander Corps |
| Oosthuizen | J | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Bulawayo Field Force |
| Openshaw | Joseph | | Trooper | BSACM Matabeleland 1893 (0).
Source: BSACM rolls | Victoria Column |
| Ord | Henry Ralph | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Gwelo Volunteers |
| Orde | J | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Gifford's Horse |
| Orgill | Noland | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Bulawayo Field Force |
| Ormond | A | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Gifford's Horse |
| Ormsby | O C | | Trooper | BSACM Rhodesia 1896 (0).
Source: BSACM rolls | Bulawayo Field Force |
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