| Armstrong | Chas | | | Source: WO100/284 | Naauwport TG |
| Armstrong | Christopher | | | Source: Medal rolls | Brandfort Town Guard |
| Armstrong | Christopher Edward | 208 | Private | Source: OZ-Boer database | Victoria, 6th Battalion Australian Commonwealth Ho |
| Armstrong | D | 1299 | Sapper | Demise: Died of disease 21 Feb 1901
Place: Bloemfontein
Source: In Memoriam by S Watt | Royal Engineers, Fortress Company, 20th |
| Armstrong | D | 61B/2215 | Sergeant | Frontier Wars. SAGS (1) 1879 | Royal Scots Fusiliers |
| Armstrong | D | 6190 | Private | QSA (4)
Source: List of QSAs with the clasp Elandslaagte | Gordon Highlanders |
| Armstrong | D | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Inniskilling Fusiliers |
| Armstrong | D | | | 4th Battalion
Source: Medal rolls | (Princess Louise's) Sutherland and Argyll Highland |
| Armstrong | D | 1299 | Sapper | Died of disease. Bloemfontein, 21 February 1901
Source: South African Field Force Casualty Roll | Royal Engineers, Fortress Company, 20th |
| Armstrong | D | 6244 | Drummer | Prisoner. Swalkrantz, 4 June 1900
2nd Battalion. Released
Source: South African Field Force Casualty Roll | (Duke of Albany's Ross-shire Buffs) Seaforth Highl |
| Armstrong | D | | | 2nd Battalion
Source: QSA and KSA medal rolls | Gordon Highlanders |
| Armstrong | D | 6190 | Private | 2nd Btn. Wounded at Elandslaagte. 21 Oct 1899.
Source: Natal Field Force Casualty Roll, page 166 line 45 | Gordon Highlanders |
| Armstrong | D | 4617 | Sapper | To Army Reserve. KSA sent tot man 29 May 1903.
QSA (2) CC OFS. KSA
TNA ref 159/2; 315/6 | Royal Engineers, Telegraph Battalion, 1st Division |
| Armstrong | D B | 1299 | Sapper | Died from disease at Bloemfontein 27 Feb 1901. QSA (3) sent to father 22 Oct 1903.
QSA (3) CC OFS Tr
TNA ref 157/1 | Royal Engineers, Fortress Company, 20th |
| Armstrong | D H | | | 1st Volunteer Service Company
Source: QSA and KSA medal rolls | Royal Scots (Lothian Regiment) |
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