| Regimental number | 2651 |
| Place of birth | Adelaide South Australia |
| Religion | Roman Catholic |
| Occupation | Braceman |
| Address | Iron Knob, South Australia |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Thomas William Watson, Iron Knob, South Australia |
| Enlistment date | 29 January 1916 |
| Rank on enlistment | Private |
| Unit name | 3rd Light Horse Regiment, 19th Reinforcement |
| AWM Embarkation Roll number | 10/8/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board RMS Mongolia on 13 July 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Machine Gun Squadron |
| Fate | Returned to Australia 5 March 1919 |
| Family/military connections | Brother: 1947 Pte John Francis WATSON, 5th Pioneer Battalion, deceased 29 April 1916. |
| Other details | Medals: British War Medal, Victory Medal |