| Regimental number | 2731 |
| Date of birth | 7 October 1899 |
| Place of birth | Sydney, New South Wales |
| School | Fort Street Public School, Sydney, New South Wales |
| Religion | Church of England |
| Occupation | Engineer |
| Address | Great North Road, Gladesville, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, William Percy Simpson, Great North Road, Gladesville, New South Wales |
| Enlistment date | 26 April 1916 |
| Date of enlistment from Nominal Roll | 26 May 1916 |
| Rank on enlistment | Private |
| Unit name | 54th Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/71/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on 7 October 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 12th Field Ambulance |
| Fate | Returned to Australia 4 July 1919 |
| Family/military connections | Father: 3905 Private William Percy SIMPSON, 10th Reinforcements 1st Pioneer Battalion |
| Other details | Service in England and France (arrived 23 December 1916). Contracted trench fever and evacuated. Fought at Bullecourt 'where he had a couple of narrow escapes'. Served with his unit until cessation of hostilities. |