| Regimental number | 1792 |
| Place of birth | Tipperary, Ireland |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 42 Gerard Street, Neutral Bay, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Mother, Mrs Ellen Busack, 42 Gerard Street, Neutral Bay, Sydney, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Goulburn, New South Wales |
| Rank on enlistment | Private |
| Unit name | 35th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/52/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A15 Port Sydney on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 35th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 34 |
| Place of burial | Strand Military Cemetery (Plot VIII, Row L, Grave No. 6), Ploegsteert, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 125 |
| Miscellaneous information from cemetery records | Parents: Michael and Ellen CUSACK, 95 Gerard Street, Neutral Bay, New South Wales. Native of Tipperary, Ireland |
| Family/military connections | Brother: 1177 Pte John CUSACK, 4th Machine Gun Bn, returned to Australia, 19 April 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, CUSACK Patrick |