| Regimental number | 6790 |
| Place of birth | King Williamstown South Africa |
| Religion | Roman Catholic |
| Occupation | Accountant |
| Address | Denman, New South Wales |
| Marital status | Single |
| Age at embarkation | 38 |
| Next of kin | Brother, Alfred Delahunt, 55 Crowther Road, Newbridge Wolverhampton, England |
| Enlistment date | 16 April 1917 |
| Rank on enlistment | Private |
| Unit name | 17th Battalion, 20th Reinforcement |
| AWM Embarkation Roll number | 23/34/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A72 Beltana on 16 June 1917 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | Australian Army Pay Corps |
| Fate | Effective abroad (still overseas) |