| Regimental number | 2006 |
| Place of birth | Hamilton, Victoria |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | 47 Odessa Street, St Kilda, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Mother, Mrs Susan McCallum, 47 Odessa Street, St Kilda, Melbourne, Victoria |
| Previous military service | Served in the 50th Infantry, Citizen Military Forces; still serving at time of AIF enlistment. |
| Enlistment date | 6 July 1915 |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | 8th Light Horse Regiment, 9th Reinforcement |
| AWM Embarkation Roll number | 10/13/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A20 Hororata on 27 September 1915 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 1st Signal Squadron Engineers |
| Fate | Returned to Australia 31 May 1919 |
| Family/military connections | Brother: 2005 Pte Andrew Allan McCALLUM, Australian Flying Corps, returned to Australia, 4 March 1919. |
| Miscellaneous details | Surname entered incorrectly on Embarkation Roll as McCALLAM. |