| Regimental number | 14601 |
| Place of birth | Belfast, Co Antrim, Ireland |
| Religion | Methodist |
| Occupation | Chemist's assistant |
| Address | Peterhead, South Australia |
| Marital status | Married |
| Age at embarkation | 26 |
| Height | 5' 8.75" |
| Weight | 120 lbs |
| Next of kin | Wife, Mrs H Armstrong, Mead Street, Peterhead, South Australia |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | Australian Army Medical Corps, July 1916 Reinforcements |
| AWM Embarkation Roll number | 26/99/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A70 Ballarat on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | No 3 Australian Auxilary Hospital |
| Fate | Effective abroad (still overseas) |
| Discharge date | |
| Other details |
War service: Western Front Embarked Adelaide on HMAT 'Ballarat', 12 August 1916; disembarked Plymuth, England, 30 September 1916; marched into No 2 Camp, Parkhouse, 1 October 1916. Transferred to 3rd Auxiliary Hospital, Dartford, 14 October 1916; taken on strength of 3rd Auxiliary Hospital, Dartford, 15 October 1916; promoted to rank of Temporary Corporal, 25 March 1919; marched into Australian Army Medical Corps Training Depot, Sutton Veny, 25 July 1919; rank reverted to Private, 25 July 1919. Commenced return to Australia on HT 'Berrima', 6 September 1919; disembarked Adelaide, 28 October 1919. Discharged Adelaide, 29 December 1919. Medals: British War Medal |
| Sources | NAA: B2455, ARMSTRONG William Alexander |