| Callaghan | J | | | Source: QSA and KSA medal rolls | 28th Battery, RFA |
| Callaghan | J J | | | 2nd Battalion
Source: QSA and KSA medal rolls | South Wales Borderers |
| Callaghan | J W | | Lieutenant | Frontier Wars. SAGS (1) 1877-8 | Alexandria Mounted Rangers |
| Callaghan | J W | 4808 | Private | QSA (3).
Source: QSA medal rolls | 7th (The Princess Royal's) Dragoon Guards |
| Callaghan | J/G? | 4873 | Private | QSA (3) DoL LN Belf; KSA (2)
Provisional list of recipients
Source: Ladysmith Siege Account and Medal Roll | (King's) Liverpool Regiment |
| Callaghan | James | 187 | Private | Source: OZ-Boer database | Victoria, 6th Battalion Australian Commonwealth Ho |
| Callaghan | John | 44142 | Private | Source: QSA Medal Rolls | 176th Company, 29th Btn, IY |
| Callaghan | John | | | 4th Battalion
Source: QSA and KSA medal rolls | (Prince Albert's) Somerset Light Infantry |
| Callaghan | John | | Orderly | Source: Nominal roll in WO127 | Imperial Hospital Corps |
| Callaghan | John | | Orderly | Source: Nominal roll in WO127 | Imperial Hospital Corps |
| Callaghan | John | | Trooper | BSACM Mashonaland 1897 (0).
Source: BSACM rolls | British South Africa Police |
| Callaghan | John | | | Source: Attestation paper in WO126 | Bethune's Mounted Infantry |
| Callaghan | John | 5918 | Private | QSA (1) QSA known to exist
Source: List of QSAs with the clasp Talana from the Talana book | Royal Dublin Fusiliers |
| Callaghan | John | | Trooper | Served 02 Sep 01 to 30/04/1902 NOK: Sister: Mrs Sarah Girvan Tau Hosier St Partick Glasgow.
Source: Nominal roll in WO127 | Bethune's Mounted Infantry |
| Callaghan | John Emanuel | 10587 | Private | Source: QSA Medal Rolls | 39th Company, 10th Btn, IY |
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