| Regimental number | 21008 |
| Place of birth | Wynyard Tasmania |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | 'Rathlea', South Kalkie, Bundaberg, Queensland |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, H J Rockwell, 'Rathlea', South Kalkie, Bundaberg, Queensland |
| Enlistment date | 1 December 1915 |
| Rank on enlistment | Gunner |
| Unit name | 9th Field Artillery Brigade, 34th Battery |
| AWM Embarkation Roll number | 13/36(a)/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on 11 May 1916 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 7th Field Artillery Brigade |
| Fate | Returned to Australia 30 January 1918 |
| Miscellaneous details (Nominal Roll) | *Spelt Alex Gordon Rockwell on NR |