| Regimental number | 321 |
| Place of birth | Castlemaine, Victoria |
| Other Names | William John |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Gingell Street, Castlemaine, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, William J Archer, Gingell Street, Castlemaine, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, B Company |
| AWM Embarkation Roll number | 23/38/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 57th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 82 Pte Henry ARCHER, 5th Machine Gun Bn, returned to Australia, 22 September 1919; 711 Pte Alex ARCHER, 57th Bn, killed in action, 27 February 1918. |
| Other details |
War service: Egypt, Gallipoli, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |