| Regimental number | 3803 |
| Place of birth | Jamestown South Australia |
| Religion | Church of England |
| Occupation | Plaster modeller |
| Address | Jamestown, South Australia |
| Marital status | Single |
| Age at embarkation | 22 |
| Height | 5' 9.5" |
| Weight | 167 lbs |
| Next of kin | Mother, Mrs S Mara, Jamestown, South Australia |
| Previous military service | Served for 12 months in Senior Cadets; 3 years in 17th Light Horse Regiment, Citizen Military Forces; time expired. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/27/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board RMS Malwa on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 10th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: R2394 Pte Clarence John MARA, 10th Bn, returned to Australia, 9 February 1919. |
| Other details |
War service: Egypt, Western Front Taken prisoner of war, 22 August 1916. Medals: 1914-15 Star, British War Medal, Victory Medal |