| Gregg | James | | | Source: Attestation paper in WO126 | Bethune's Mounted Infantry |
| Gregg | James | | | 4th Battalion
Source: QSA and KSA medal rolls | (King's) Liverpool Regiment |
| Gregg | John | | | 1st Battalion
Source: QSA and KSA medal rolls | Scots Guards |
| Gregg | L | 4723 | Lance Corporal | QSA (3)
Source: List of QSAs with the clasp Talana from the Talana book | (Princess Victoria's) Royal Irish Fusiliers |
| Gregg | L | 4723 | Lance Corporal | 1st Battalion
Source: QSA roll | (Princess Victoria's) Royal Irish Fusiliers |
| Gregg | M L | | | Source: QSA and KSA medal rolls | New Zealand, 5th Contingent (Imperial Bushmen) |
| Gregg | R | | | 3rd Volunteer Service Company
Source: QSA and KSA medal rolls | Manchester Regiment |
| Gregg | R | | | 2nd Battalion
Source: QSA and KSA medal rolls | Lancashire Fusiliers |
| Gregg | R | 4399 | Drummer | 2nd Battalion
Demise: Killed in action 24 Jan 1900
Place: Spioenkop
Source: In Memoriam by S Watt | Lancashire Fusiliers |
| Gregg | R | 4399 | Driver | 2nd Btn. Killed at Spion Kop. 24 Jan 1900.
Source: Natal Field Force Casualty Roll, page 81 line 29 | Lancashire Fusiliers |
| Gregg | R | 4399 | Drummer | 2nd Battalion
Source: QSA roll | Lancashire Fusiliers |
| Gregg | R | | | A Division
Source: QSA and KSA medal rolls | South African Constabulary |
| Gregg | R | | | 1st Battalion
Source: QSA and KSA medal rolls | Durham Light Infantry |
| Gregg | R J | | | 5th Battalion
Source: QSA and KSA medal rolls | Royal Irish Rifles |
| Gregg | Robert | | | Source: QSA and KSA medal rolls | Duke of Cornwall's Light Infantry |
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