| Regimental number | 136 |
| Place of birth | Sydney, New South Wales |
| Religion | Methodist |
| Occupation | Fireman |
| Address | Champion Street, Tennyson, Parramatta, New South Wales |
| Marital status | Married |
| Age at embarkation | 36 |
| Next of kin | Wife, Mrs W Simpson, Champion Street, Tennyson, Parramatta, New South Wales |
| Enlistment date | 17 August 1914 |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | 4th Battalion, D Company |
| AWM Embarkation Roll number | 23/21/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A14 Euripides on 20 October 1914 |
| Miscellaneous details | Did not embark: medically unfit, requiring operation. See 3905 William Percy SIMPSON for second period of service. |
| Sources | NAA: B2455, SIMPSON William Percy |