| Sydney | J | | | 1st Battalion
Source: QSA and KSA medal rolls | Highland Light Infantry |
| Sydney | T S | | | 1st Battalion
Source: QSA and KSA medal rolls | Highland Light Infantry |
| Sydserff | Alexander Halliburton Buchan | 441 | Private | QSA (3) CC Wep Witt
Source: Wepener Siege Account and Medal Roll | Frontier Mounted Rifles |
| Sydsesff | Alexander Halliburton Buchan | | | Nominal roll #1 (S6) | Driscoll's Scouts |
| Syedton | J | | | 1st Battalion
Source: QSA and KSA medal rolls | (Queen's Own) Cameron Highlanders |
| Syensson | J E | | Burger | Click here to access the record in the Forum | Austrian and Hungarian volunteers |
| Syer | H L | | | 2nd Volunteer Service Company
Source: QSA and KSA medal rolls | Gordon Highlanders |
| Syer | H L | | | 2nd Battalion. Volunteer Service Company
Source: QSA and KSA medal rolls | Gordon Highlanders |
| Syer | Herbert Hingston | | Lieutenant & Temp. Captain | No known Company. Served in 17th Btn IY Staff
Source: QSA Medal Rolls | Imperial Yeomanry |
| Syer | J | | Private | CGHGSM (1) Bechuanaland
Source: Roll of the CGHGSM | Prince Alfred's Volunteer Guard |
| Syers | Charles | 1027 | Trooper | Served 12 Aug 00 to 07 Feb 03.
Source: Nominal roll in WO127 | Steinaecker's Horse |
| Syers | Henry | 173 | Trooper | Source: Nominal roll | Eastern Province Horse |
| Syers | John Drinkwater | 393 | Trooper | Source: OZ-Boer database | West Australia, 8th Battalion Australian Commonwea |
| Syfert | James | | | Nominal roll #1 (S6) | Driscoll's Scouts |
| Syggs | J | | Sergeant | Frontier Wars. SAGS (1) 1877-8. Medal returned | Queenstown Volunteer Contingent |
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