| Regimental number | 547 |
| Place of birth | Gerang Victoria |
| Religion | Baptist |
| Occupation | Labourer |
| Address | Gerang, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Ephriam Harmer, Gerang, Victoria |
| Enlistment date | 24 October 1916 |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 10, Reinforcement 8 |
| AWM Embarkation Roll number | 24/15/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Osterley on 14 February 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Machine Gun Battalion |
| Fate | Returned to Australia 27 May 1919 |
| Family/military connections | Brothers: 549 Pte Francis Henry HARMER, 10th Machine Gun Company, returned to Australia, 27 May 1919; 548 Corporal Albert Georgie HARMER, 10th Field Ambulance, returned to Australia, 7 July 1919. |