| Clark | R | | | Source: QSA and KSA medal rolls | Tembuland Mounted Rifle Club |
| Clark | R | | | 2nd Battalion
Source: QSA and KSA medal rolls | Royal Warwickshire Regiment |
| Clark | R | | | 1st Volunteer Service Company
Source: QSA and KSA medal rolls | East Lancashire Regiment |
| Clark | R | | Tpr | Died of enteric at Greytown. 24 May 1900.
Source: Natal Field Force Casualty Roll, page 214 line 24 | Bethune's Mounted Infantry |
| Clark | R | 850 | Private | Source: Nominal roll in WO127 | Durban Light Infantry |
| Clark | R | | | Source: QSA and KSA medal rolls | 83rd Battery, RFA |
| Clark | R | 666 | Conductor | Weil's Transport
Source: QSA and KSA medal rolls | Imperial Transport Service |
| Clark | R | | | 1st Battalion
Source: Medal rolls | Prince of Wales's Leinster Regiment (Royal Canadia |
| Clark | R | | | 1st Battalion
Source: QSA and KSA medal rolls | Royal Scots (Lothian Regiment) |
| Clark | R | | | 3rd Battalion
Source: QSA and KSA medal rolls | Royal Scots (Lothian Regiment) |
| Clark | R | | | 2nd Battalion
Source: QSA and KSA medal rolls | Gordon Highlanders |
| Clark | R | | | 1st Battalion
Source: QSA and KSA medal rolls | Gordon Highlanders |
| Clark | R | 7052 | Private | 2nd Btn. Wounded at Botha's Pass. 6 Jun 1900.
Source: Natal Field Force Casualty Roll, page 134 line 23 | (Duke of Cambridge's Own) Middlesex Regiment |
| Clark | R | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Duke of Cambridge's Own) Middlesex Regiment |
| Clark | R | | | Source: QSA and KSA medal rolls | South African Constabulary |
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