| Regimental number | 8291 |
| Religion | Methodist |
| Occupation | Stationer |
| Address | Tusmore Avenue, Marryatville, South Australia |
| Marital status | Single |
| Age at embarkation | 32 |
| Height | 5' 6" |
| Weight | 137 lbs |
| Next of kin | Father, John Burton Siddall, Bowman's Arcade, Adelaide, South Australia |
| Previous military service | Served for 3 years in the 10th Infantry (Volunteers). |
| Enlistment date | |
| Place of enlistment | Keswick, South Australia |
| Rank on enlistment | Private |
| Unit name | Australian Stationary Hospital 1, Reinforcement 9 |
| AWM Embarkation Roll number | 26/70/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A15 Star Of England on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | No 2 Australian General Hospital |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 5344 Sapper John B. SIDDALL, 2nd Signal Company, died of disease, 15 March 1916. |
| Other details |
War service: Egypt, Western Front Commenced return to Australia on board HS 'Karoola', 6 May 1919 (Nusrsing Staff); discharged (termination of period of enlistment), Adelaide, 13 August 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Sources | NAA: B2455, SIDDALL Ernest |