| Regimental number | 4362 |
| Place of birth | Bowning, New South Wales |
| School | Bowning Public School, New South Wales |
| Religion | Church of England |
| Occupation | Bank clerk |
| Address | Coolangatta, via Berry, New South Wales |
| Marital status | Married |
| Age at embarkation | 26 |
| Height | 5' 7" |
| Weight | 114 lbs |
| Next of kin | Wife, Mrs Lily Collier, 80 Mansfield Street, Rozelle, Sydney, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Warwick Farm, New South Wales |
| Rank on enlistment | Private |
| Unit name | 2nd Battalion, 13th Reinforcement |
| AWM Embarkation Roll number | 23/19/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A6 Aeneas on |
| Regimental number from Nominal Roll | 4362A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 54th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Fleurbaix, France |
| Age at death | 27 |
| Age at death from cemetery records | 26 |
| Place of burial | Anzac Cemetery (Plot I, Row C, Grave No. 7), Sailly-Sur-La-Lys, France |
| Panel number, Roll of Honour, Australian War Memorial | 158 |
| Miscellaneous information from cemetery records | Parents: Stephen Bolton and Susannah Prout MacDonald COLLIER; husband of Lily COLLIER, 20 Spencer Street, Summer Hill, New South Wales |
| Family/military connections | Frederick COLLIER, 30th Bn, killed in action, 13 October 1917. |
| Other details |
War service: Egypt, Western Front Admitted to No 3 Auxiliary Hospital, Cairo, 24 January 1916 (pyrexia of unknown origin); transferred to No 4 Auxiliary Hospital, Cairo, 26 January 1916 (mumps and orchitis); discharged to duty, 14 February 1916. Allotted to and proceeded to 54th Bn from 1st Training Bn, Zeitoun, 16 February 1916; joined 54th Bn, Tel el Kebir, 16 February 1916. Embarked Alexandria to join the British Expeditionary Force, 19 June 1916; disembarked Marseilles, France, 29 June 1916. Killed in action, 19/20 July 1916. Buried in cemetery, Sailly-sur-la-Lys, by Reverend W.M. Holliday, 20 July 1916. Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, COLLIER Leslie |