| Regimental number | 77 |
| Place of birth | Laura, South Australia |
| Religion | Protestant |
| Occupation | Blacksmith |
| Marital status | Single |
| Age at embarkation | 21.8 |
| Height | 5' 7.75" |
| Weight | 135 lbs |
| Next of kin | Mrs S A Acott, Laura, South Australia |
| Previous military service | Served in the Light Horse, Citizen Military Forces; still serving at time of AIF enlistment. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 9th Light Horse Regiment, A Squadron |
| AWM Embarkation Roll number | 10/14/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A26 Armadale on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 14th Field Artillery Brigade |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 6213 Pte Albert Walter ACOTT, 9th Bn, killed in action, 20 September 1917. |
| Other details |
War service: Egypt, Gallipoli, Western Front Commenced return to Australia on board HT 'Orontes', 20 December 1918; discharged (medically unfit: haemorrhoids), Adelaide, 13 February 1919. Medals: 1914-15 Star, British War Medal, Victory Medal Also served in World War II: Service No S72008, 6th Bn, Volunteer Defence Corps. |
| Sources | NAA: B2455, ACOTT William Thomas |