| Gilbert | Richard Edward | 230 | Private | Source: OZ-Boer database | Queensland, 4th Imperial Bushmen Contingent |
| Gilbert | Richard Edward | 643 | Private | Source: OZ-Boer database | Queensland, 6th Imperial Bushmen Contingent |
| Gilbert | Robert | 44393 | Shoeing Smith | Source: QSA Medal Rolls | 134th Company, 29th Btn, IY |
| Gilbert | Robert | 2482 | | Source: Attestation papers. See image on this site. | Railway Pioneer Regiment |
| Gilbert | Robert | 32 | Private | Source: OZ-Boer database | South Australia, 8th Battalion Australian Commonwe |
| Gilbert | Robert | 2482 | Private | 4th RPR
Source: Nominal roll in WO127 | Railway Pioneer Regiment |
| Gilbert | S | | | Source: QSA and KSA medal rolls | 20th Battery, RFA |
| Gilbert | S | | | Source: QSA and KSA medal rolls | New Zealand, 6th Contingent |
| Gilbert | S W | | | 2nd Battalion
Source: QSA and KSA rolls | Imperial Light Horse |
| Gilbert | Samuel | 620 | Private | Source: OZ-Boer database | Victoria, 3rd Bushman's Contingent |
| Gilbert | Sharrad Holland | 11991 | Trooper | Source: QSA Medal Rolls | 65th Company, 17th Btn, IY |
| Gilbert | Sydney Ernest | 35864 | Trooper | Source: QSA Medal Rolls | 108th Company, 6th Btn, IY |
| Gilbert | Syndey William | 886 | G & I | 2nd Battalion
Source: Nominal roll in WO127 | Imperial Light Horse |
| Gilbert | T | | Trooper | CGHGSM (1) Transkei
Source: Roll of the CGHGSM | Baker's Horse |
| Gilbert | T | | | 2nd Battalion
Source: QSA and KSA medal rolls | Hampshire Regiment |
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