| O'Hara | J J | 4276 | Private | 2nd Battalion
Demise: Killed in action 24 Jan 1900
Place: Spioenkop
Source: In Memoriam by S Watt | Lancashire Fusiliers |
| O'Hara | J P | 922B | Private | Source: QSA medal roll in WO100/277 | Uitenhage Volunteer Rifles |
| O'Hara | James | 43613 | Trooper | No known Company. Served in 36th Btn IY
Source: QSA Medal Rolls | Imperial Yeomanry |
| O'Hara | James | | Chief Constable | Attested: Jul 1899. Source: CMP 41 | Cape Police |
| O'Hara | James C | | Sergeant | Source: Nominal roll in WO127 | SAMIF |
| O'Hara | James Christopher | 2040 | SSM | Source: Nominal roll in WO127 | Roberts' Horse |
| O'Hara | James Fitzgerald | 13499 | Lance Corporal | Source: QSA Medal Rolls | 73rd Company, 12th Btn, IY |
| O'Hara | John | 42023 | Trooper | No known Company. Served in 37th Btn IY
Source: QSA Medal Rolls | Imperial Yeomanry |
| O'Hara | John | 248 | | Attested: Jul 1901. Source: CMP 41 | Cape Police |
| O'Hara | John | | | 1st Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| O'Hara | John Wesley | 623 | Captain | 1st Battalion
Source: Nominal roll in WO127 | Imperial Light Horse |
| O'Hara | L | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Scots (Lothian Regiment) |
| O'Hara | M | 2347 | Private | Frontier Wars. SAGS (1) 1879 | Royal Scots Fusiliers |
| O'Hara | M | | | 1st Battalion, Volunteer Service Company
Source: QSA and KSA medal rolls | Leicestershire Regiment |
| O'Hara | M | 4604 | Private | QSA (4) CC DoL OFS Tr
Provisional list of recipients
Source: Ladysmith Siege Account and Medal Roll | Manchester Regiment |
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