| Seiphimo | Samuel | | | Source: QSA and KSA medal rolls | Koffyfontein Defence Force |
| Seipp | George | 608 | | Attested: Aug 1902. Source: CMP 51 | Cape Police |
| Seipp | George Conrad | | | Prisoner number: 13490
Captured: Barberton 13 Sep 1900
Sent to: Unknown
Age: 31
Address: Barberton
Source: Anglo Boer War Museum 2016 | Boer Forces |
| Seipp | George Conrad | | | Nominal roll #1 (S4) | Driscoll's Scouts |
| Seis | E | | Private | Frontier Wars. SAGS (1) 1877-8 | Cape Town Rifles |
| Seitz | C J | | | Source: Medal rolls | Cape Railway Sharpshooters |
| Seitz | D | | Trooper | Frontier Wars. SAGS (1) 1879 | Transvaal Rangers |
| Seitz | G | 1144 | Trooper | List of medals returned from Cape Town
Source: QSA medal roll in WO100/246 | Colonial Light Horse |
| Seitz | G | | | Source: QSA and KSA rolls | DEOVR |
| Seitz | H | | | Source: Medal rolls | Cape Railway Sharpshooters |
| Seitz | H | | Private | Frontier Wars. SAGS (1) 1878. Medal returned | Griqualand West Light Infantry |
| Seitz | H | | Private | Frontier Wars. SAGS (1) 1878 | Griqualand West Light Infantry |
| Seitz | Harry | 32627 | Trooper | Source: Nominal roll in WO127 | Kimberley Horse |
| Sejourne | Ernest Robert | 31034 | Private | Served 06 Feb 01 to 13 May 01. Time Expired
Source: Nominal roll in WO127 | Cape Colony Cyclist Corps |
| Sekaja | J | | Private | Frontier Wars. SAGS (1) 1879 | Herschel Native Contingent |
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