| Regimental number | 3495 |
| Place of birth | Aberdeen Scotland |
| Religion | Church of England |
| Occupation | Carpenter |
| Address | c/o Tim Edge, Turon, Mond Street, Auburn, New South Wales |
| Marital status | Single |
| Age at embarkation | 35 |
| Next of kin | Mother, Mrs E. Chroston, Old Inn, Port Elphinstone, Scotland |
| Enlistment date | 26 July 1915 |
| Rank on enlistment | Private |
| Unit name | 3rd Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/20/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on 2 November 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 11th Field Artillery Brigade |
| Fate | Returned to Australia 10 March 1918 |
| Miscellaneous details (Nominal Roll) | Listed as CHROSTOM John on the nominal roll |
