| Simpson | William | 479 | | A Company Discharged 6 May 1901
Source: Nominal roll in WO127 | DEOVR |
| Simpson | William | | | Source: QSA and KSA medal rolls | 4th Battery, RFA |
| Simpson | William | 442 | Private | 1st RPR
Source: Nominal roll in WO127 | Railway Pioneer Regiment |
| Simpson | William | 25423 | Sergeant | Source: QSA Medal Rolls | 60th Company, 17th Btn, IY |
| Simpson | William Charles | | | Source: WO100/285 | Somerset East DMT |
| Simpson | William Edgar | 31523 | Corporal | Source: Nominal roll in WO127 | Roberts' Horse |
| Simpson | William Edward Cartwright | 22801 | Private | Source: QSA Medal Rolls | 5th Company, 2nd Btn, IY |
| Simpson | William Hall | 7537 | Private | Source: QSA Medal Rolls | 36th Company, 9th Btn, IY |
| Simpson | William Henry | 7207 | Private | Source: QSA Medal Rolls | 16th Company, 5th Btn, IY |
| Simpson | William Jesse | 22501 | Trooper | Source: QSA Medal Rolls | 69th Company, 7th Btn, IY |
| Simpson | William John | 27479 | Lance Corporal | Source: QSA Medal Rolls | 74th Company, 8th Btn, IY |
| Simpson | William M | 37593 | Trooper | Served 06 Feb 02 to 03 Sep 02. Discharged Aldershot
Source: Nominal roll in WO127 | Scottish Horse |
| Simpson | William Peter | | | Source: QSA and KSA medal rolls | New Zealand, 9th Contingent |
| Simpson | William Ross | 1076 | Lance Corporal | Source: OZ-Boer database | New South Wales, 2nd Contingent NSW Mounted Rifles |
| Simpson | William Tough | 31549 | Corporal | Source: QSA Medal Rolls | 90th Company, 23rd Btn, IY |
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