| Sinton | T | | | 3rd Battalion
Source: QSA and KSA medal rolls | King's Own Scottish Borderers |
| Sinton | W | | Trooper | BSACM Rhodesia 1896 (0). BSACM Rhodesia 1896 (Troopr., M. R. F.); QSA (7) Cape Colony, Tugela Heights, Orange Free State, Relief of Ladysmith, Transvaal, Laing's Nek, S. A. 1901 (499 Tpr., Bethune's M. I.). DNW December 1991 £200. DNW July 2003 £500.
Source: BSACM rolls | Matabeleland Relief Force |
| Sinton | William | 499 | Trooper | Served 25/10/1899 to 16 Aug 01 NOK: J W Sinton 38 Marchmont Crescent Edinburgh. To S.A.M.I.F for discharge
Source: Nominal roll in WO127 | Bethune's Mounted Infantry |
| Sinxo | J | | Private | Frontier Wars. SAGS (1) 1877-8. Medal returned | Buckley's Native Levy |
| Sinxo | John | | Private | Frontier Wars. SAGS (1) 1877-8. Medal returned | Buckley's Native Levy |
| Siordet | F J | | Lieutenant | 1st Battalion
Demise: Died of wounds 19 Feb 1900
Place: Paardeberg
Source: In Memoriam by S Watt | (Duke of Wellington's) West Riding Regiment |
| Siordet | Frederick John | | Lieutenant | He was killed in action at Paardeberg, February 18th, 1900. He was born in December 1871, educated at Blundell's School, Tiverton, and entered the West Riding Regiment in May 1891, being promoted Lieutenant January 1895. This officer's death is mentioned in the despatch of Field Marshal Earl Roberts from Paardeberg, February 28th, 1900.
Source: Donner | (Duke of Wellington's) West Riding Regiment |
| Sioyer | E | | | Source: QSA and KSA medal rolls | 2nd Battery, RFA |
| Siper | T | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Duke of Cambridge's Own) Middlesex Regiment |
| Sipika | W | | Private | Frontier Wars. SAGS (1) 1877-8. Medal returned | Albany Fingo Levy |
| Siplin | John | 732 | Private | Source: Nominal roll in WO127 | Namaqualand Border Scouts |
| Sipling | G | 4134 | Private | QSA (4). Initials 'G.R.' on E.C. Roll. Invalided.
Source: QSA medal rolls | 2nd Dragoons (Royal Scots Greys) |
| Sippi | George Roderick Beethoven | 7152 | | Source: Medal rolls | Canada, 2nd Royal Canadian Regiment of Infantry |
| Sippie | G R B | 7152 | Sergeant | Wounded. Paardeberg, 18 February 1900
Source: South African Field Force Casualty Roll | Canada, 2nd Royal Canadian Regiment of Infantry |
| Sipta | Elijah | | | 2nd Battalion
Source: QSA and KSA medal rolls | (Duke of Albany's Ross-shire Buffs) Seaforth Highl |
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