
| Regimental number | 17265 |
| Place of birth | Balmain, New South Wales |
| Religion | Presbyterian |
| Occupation | Articled law clerk |
| Address | Balmain, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Height | 5' 8" |
| Weight | 158 lbs |
| Next of kin | Father, William Marrison Simpson, 'Mahonga,' Booth Street, Balmain, New South Wales |
| Previous military service | Served in Australian Army Service Corps, Citizen Military Forces; still serving at time of AIF enlistment. |
| Enlistment date | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Driver |
| Unit name | February 1917 Reinforcements |
| AWM Embarkation Roll number | 14/42/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A46 Clan Mcgillivray on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 11th Field Company Engineers |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Anchises', 28 February 1919; arrived Melbourne, 13 April 1919, for onward travel by sea to Sydney; discharged (termination of period of enlistment), Sydney, 18 May 1919. Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, SIMPSON John McNeill |