| Regimental number | 3169 |
| Place of birth | Brisbane Queensland |
| Other Names | Sidney John |
| Religion | Church of England |
| Occupation | Mechanic |
| Address | Perth, Western Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, William Atwell, 28 Lacey Street, Perth, Western Australia |
| Enlistment date | 16 August 1915 |
| Rank on enlistment | Private |
| Unit name | 10th Light Horse Regiment, 25th Reinforcement |
| AWM Embarkation Roll number | 10/15/4 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board RMS Karmala on 12 February 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 10th Light Horse Regiment |
| Fate | Returned to Australia 4 March 1919 |
