| Regimental number | 3727 |
| Date of birth | 29 March 1897 |
| Place of birth | Port Augusta, South Austral;ia |
| School | Port Augusta Primary School, 1904 - 1910 |
| Religion | Presbyterian |
| Occupation | Shop assistant |
| Address | Port Augusta, South Australia |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, A Marks, Port Augusta, South Australia |
| Enlistment date | 3 August 1915 |
| Rank on enlistment | Private |
| Unit name | 12th Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/29/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT RMS Malwa on 2 December 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 50th Battalion |
| Fate | Returned to Australia 13 April 1919 |
| Discharge date | 29 July 1919 |
| Other details | Son of Augustus Gustave and Alice Maud (nee Willoughby) Marks. Was employed as a shop assistant before enlisting. Received a shrapnel wound to his knee and suffered from gassing. |
| Date of death | 29 June 1986 |
| Place of burial | Centennial Park Garden of Remembrance, Adelaide,SA |
