| Regimental number | 3873 |
| Date of birth | |
| Place of birth | Charters Towers, Queensland |
| Religion | Presbyterian |
| Occupation | Jeweller |
| Address | Mitchell Street, North Ward, Townsville, Queensland |
| Marital status | Single |
| Age at embarkation | 19 |
| Height | 6' 0.5" |
| Weight | 140 lbs |
| Next of kin | Sister, Miss Isabel Mabin, Mitchell Street, North Ward, Townsville, Queensland |
| Previous military service | 2nd Infantry |
| Enlistment date | |
| Place of enlistment | Townsville, Queensland |
| Rank on enlistment | Private |
| Unit name | 4th Pioneer Battalion, Reinforcement 10 |
| AWM Embarkation Roll number | 14/16/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A20 Hororata on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Pioneer Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 4098 Pte Herbert MABIN, 31st Bn, died of wounds, 12 October 1917. |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Leicestershire', 3 May 1919; discharged (termination of period of enlistment), 23 July 1919. Medals: British War Medal, Victory Medal Also served in World War II: Service No Q200682. |
| Sources | NAA: B2455, MABIN George Morrison |