| Regimental number | 22917 |
| Place of birth | Myrtleford, Victoria |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Myrtleford, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Mother, Mrs I Chaplin, Myrtleford, Victoria |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | Field Artillery Brigade 8, Reinforcement 1 |
| AWM Embarkation Roll number | 13/36/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A7 Medic on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 3rd Divisional Ammunition Column |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 673A Pte Charles Edward CHAPLIN, 41st Bn, returned to Australia, 12 June 1919; 6771 Pte Leslie CHAPLIN, 22nd Bn, returned to Australia, 7 July 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |