| Regimental number | 904 |
| Place of birth | Colac, Victoria |
| School | Colac State and Grammar Schools, Victoria |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | Colac, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, Ernest McL. Forbes, Manifold Street, Colac, Victoria |
| Enlistment date | |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 2, Battery 4 |
| AWM Embarkation Roll number | 13/30/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board Transport A9 Shropshire on |
| Rank from Nominal Roll | Bombardier |
| Unit from Nominal Roll | 2nd Field Artillery Brigade |
| Fate | Killed in Action |
| Place of death or wounding | Lagnicourt, France |
| Age at death | 26 |
| Age at death from cemetery records | 26 |
| Place of burial | Favreuil British Cemetery (Plot I, Row C, Grave No. 18), France |
| Panel number, Roll of Honour, Australian War Memorial | 12 |
| Miscellaneous information from cemetery records | Parents: Ernest McLennan and Annie Elizabeth FORBES, Hood Crescent, Caulfield, Victoria. Native of Colac, Victoria |
| Family/military connections | Brothers: 91 Sergeant Ivan Robert FORBES, 1st Field Ambulance, returned to Australia, 15 February 1918; 32397 Gunner Ralph Urquhart FORBES, 1st Field Artillery Brigade, effective abroad (still overseas). |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |