| Regimental number | 4090 |
| Religion | Church of England |
| Occupation | Motor mechanic |
| Address | Commonwealth Bank of Australia, Savings Bank Department, Broadmeadows, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, Stephen Cobby, Miles, Queensland |
| Enlistment date | 31 December 1915 |
| Rank on enlistment | Acting Corporal |
| Unit name | 24th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/41/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A18 Wiltshire on 7 March 1916 |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | Australian Flying Corps |
| Fate | Effective abroad (still overseas) |
| Miscellaneous details (Nominal Roll) | *Noted COBB Elbert Reddington NR |