| Regimental number | 1124 |
| Place of birth | Millers Forest, New South Wales |
| School | Convent School (Catholic), New South Wales |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | West Maitland, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Patrick Gilligan, Dagworth, West Maitland, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 34th Battalion, D Company |
| AWM Embarkation Roll number | 23/51/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A20 Hororata on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 53rd Battalion |
| Fate | Killed in Action |
| Age at death | 23 |
| Place of burial | Ribemont Communal Cemetery Extension (Plot III, Row H, Grave No. 6), France |
| Panel number, Roll of Honour, Australian War Memorial | 157 |
| Miscellaneous information from cemetery records | Parents: Patrick and Bridget GILLIGAN |
| Family/military connections | Brother" Pte Patrick leslie Gilligan no. 3232, 17th Bn. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |