| Regimental number | 3408 |
| Place of birth | West Wyalong, New South Wales |
| Other Names | Reginald William |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | West Tamworth, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Daniel Malligan, Bogewong, Walgett, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 45th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/62/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 33rd Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 18 |
| Place of burial | Villers-Bretonneux Military Cemetery (Plot XII, Row D, Grave No. 5), Fouilloy, France |
| Panel number, Roll of Honour, Australian War Memorial | 122 |
| Miscellaneous information from cemetery records | Parents: Daniel and Ethel MALLIGAN, Farm 646, Wamoon, Leeton, New South Wales |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |