| Regimental number | 2070 |
| Date of birth | |
| Place of birth | West Hartlepool, England |
| Religion | Methodist |
| Occupation | Clerk |
| Address | Thomas Street, Croydon, South Australia |
| Marital status | Single |
| Age at embarkation | 20.1 |
| Height | 5' 6" |
| Weight | 116 lbs |
| Next of kin | Mother, Mrs. Henrietta Siddle, Thomas Street, Croydon, South Australia |
| Previous military service | Served for 1 year in the Senior Cadets. Previously rejected for enlistment on account of chest. |
| Enlistment date | |
| Place of enlistment | Adelaide, South Australia |
| Rank on enlistment | Private |
| Unit name | 3rd Light Horse Regiment, 14th Reinforcement |
| AWM Embarkation Roll number | 10/8/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A69 Warilda on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 5th Divisional Ammunition Column |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Western Front Commenced return to Australia from Liverpool on board HT 'Durham', 22 May 1919; discharged (termination of period of enlistment), Adelaide, 9 September 1919. Medals: British War Medal, Victory Medal Also served in World War II: Service No S66311. |
| Sources | NAA: B2455, SIDDLE John Cyril |