| Regimental number | 3903 |
| Place of birth | Mt Lofty South Australia |
| Other Names | John Legalles |
| Religion | Congregational |
| Occupation | Grocer |
| Address | Mount Lofty, South Australia |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, John Smith, Mount Lofty, South Australia |
| Enlistment date | 15 September 1915 |
| Date of enlistment from Nominal Roll | 14 September 1915 |
| Rank on enlistment | Private |
| Unit name | 27th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/44/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A28 Miltiades on 7 February 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 50th Battalion |
| Fate | Returned to Australia 6 January 1919 |
| Date of death | 8 May 1955 |
