| Smith | Sydney | 1304 | Private | Source: OZ-Boer database | New South Wales, NSW Imperial Bushmen |
| Smith | Sydney | 15888 | Trooper | Source: QSA Medal Rolls | 77th Company, 8th Btn, IY |
| Smith | Sydney | 42294 | Trooper | No known Company. Served in 34th Btn IY
Source: QSA Medal Rolls | Imperial Yeomanry |
| Smith | Sydney | | | 3rd Battalion, Volunteer Service Battalion
Source: QSA and KSA medal rolls | Hampshire Regiment |
| Smith | Sydney | 26896 | Trooper | Source: QSA Medal Rolls | 102nd Company, 5th Btn, IY |
| Smith | Sydney | 950 and 3465 | Trooper | 2nd Battalion
Source: Nominal roll in WO127 | Imperial Light Horse |
| Smith | Sydney | | | 2nd Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| Smith | Sydney | 8453 | Private | Source: QSA Medal Rolls | 19th Company, 6th Btn, IY |
| Smith | Sydney E | | Reverend | Source: QSA Medal Rolls | Army Chaplain's Department |
| Smith | Sydney Fielding | | | Source: WO100/280 | Barkly East TG |
| Smith | Sydney Fletcher | 3386 | Trooper | Source: OZ-Boer database | New South Wales, 3rd Contingent NSW Imperial Bushm |
| Smith | Sydney J | 443 | Private | Source: OZ-Boer database | New South Wales, 1st Contingent NSW Mounted Rifles |
| Smith | Sydney James | 264 | Sergeant | Source: OZ-Boer database | New South Wales, 3rd Contingent NSW Mounted Rifles |
| Smith | Sydney John | 29261 | Private | Source: QSA Medal Rolls | 39th Company, 10th Btn, IY |
| Smith | T | | Private | Natal 1906 (1)
Source: Recipients of the Natal 1906 Medal | Durban Light Infantry |
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