| Regimental number | 586 |
| Place of birth | Port Adelaide, South Australia |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | Torrens Road, Alberton, South Australia |
| Marital status | Single |
| Age at embarkation | 34.3 |
| Height | 6' 1" |
| Weight | 178 lbs |
| Next of kin | Mother, Mrs Jean McLachlan, Torrens Road, Alberton, South Australia |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Orbost, Victoria |
| Rank on enlistment | Private |
| Unit name | 24th Battalion, C Company |
| AWM Embarkation Roll number | 23/41/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 24th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Gallipoli, Western Front Commenced return to Australia on board Ht 'Themistocles', 4 May 1917 (gun shot wound, left leg); disembarked Adelaide, 2 July 1917; discharged (medically unfit: wounded), Adelaide, 27 August 1917. War service: 2 years 165 days (of which 2 years 56 days were abroad) Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Surname incorrectly entered on Embarkation Roll as McLACKLAN. |
| Sources | NAA: B2455, McLACHLAN Douglas Bloomfield |