| O'Connor | J F | | | 2nd Battalion
Source: Medal rolls | Cheshire Regiment |
| O'Connor | J M | | Private | CGHGSM (1) Bechuanaland
Source: Roll of the CGHGSM | Diamond Fields Horse |
| O'Connor | J M | | | 1st Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| O'Connor | J P | 4633 | Private | QSA (4).
Source: QSA medal rolls | 20th Hussars |
| O'Connor | J P | 95 | Trooper | Served 19/10/1899 to 16/11/1899 Discharged I
Source: Nominal roll in WO127 | Bethune's Mounted Infantry |
| O'Connor | J P | | | Source: WO100/284 | Naauwport TG |
| O'Connor | J T | | Captain | Frontier Wars. SAGS (1) 1877-8-9 | Cape Mounted Rifles |
| O'Connor | J V P | | Private | Natal 1906 (1)
Source: Recipients of the Natal 1906 Medal | Natal Rangers |
| O'Connor | James | | | Source: QSA and KSA medal rolls | 42nd Battery, RFA |
| O'Connor | James | 1207 | Private | Source: Nominal roll in WO127 | Imperial Light Infantry |
| O'Connor | James | 446 | Trooper | Served to 10 May 02. Discharged at Mafeking, medically unfit
Source: Nominal roll in WO127 | Bechuanaland Rifles |
| O'Connor | James | | Trooper | Served 08 Jan 02 to unknown data.
Source: Nominal roll in WO127 | Bechuanaland Rifles |
| O'Connor | James | 1666 | Trooper | Served 26 Aug 01 to 10 Mar 02 NOK: Sister: Mrs Fowels 19 St Georges St Durban.
Source: Nominal roll in WO127 | Bethune's Mounted Infantry |
| O'Connor | James | | Bearer | Served 09 Dec 99 to 12 Mar 00.
Source: Nominal roll in WO127 | Natal Volunteer Ambulance Corps |
| O'Connor | James | 3595 | Trooper | Source: OZ-Boer database | New South Wales, 3rd Contingent NSW Imperial Bushm |
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