| Regimental number | 3039 |
| Place of birth | Londonderry, Ireland |
| Religion | Presbyterian |
| Occupation | Repairer, water supply |
| Address | Woolgangie, Western Australia |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Father, Samuel Colhoun, Campsie, County Londonderry, Ireland |
| Enlistment date | 30 October 1916 |
| Date of enlistment from Nominal Roll | 1 October 1916 |
| Place of enlistment | Kalgoorlie, Western Australia |
| Rank on enlistment | Private |
| Unit name | 44th Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/61/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A28 Miltiades on 29 January 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 44th Battalion |
| Fate | Returned to Australia 21 June 1919 |
| Sources | NAA: B2455, COLHOUN William |
