| Regimental number | 439 |
| Place of birth | North Sydney, New South Wales |
| School | Mosman Superior Public School, Sydney, New South Wales |
| Religion | Church of England |
| Occupation | Carter |
| Address | Ourimbah Road, Mosman, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Weight | 154 lbs |
| Next of kin | Mother, Mrs M J Dargan, Ouirimbah Road, Mosman, Sydney, New South Wales |
| Previous military service | Served for 2.5 years in the Royal Australian Garrison Artillery (Compulsory Military Training scheme). |
| Enlistment date | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 1, Battery 3 |
| AWM Embarkation Roll number | 13/29/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A8 Argyllshire on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Field Artillery Brigade |
| Fate | Died of wounds |
| Age at death from cemetery records | 20 |
| Place of burial | East Mudros Military Cemetery (Plot I, Row D, Grave No. 88), Lemnos, Greece. |
| Miscellaneous information from cemetery records | Parents: Robert and Mary Jane DARGAN, 36 Ourimbah Road, Mosman, New South Wales |
| Family/military connections | Cousin (first): 3948 Pte John STEPHENS, 7th Bn, killed action, 29 December 1917. |
| Other details |
War service: Egypt, Gallipoli Joined the Mediterranean Expeditionary Force (Gallipoli Campaign), 4 April 1915. Wounded in action (gun shot wound, left side). Died of wounds, 15 June 1915. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Address incorrectly entered on Embarkation Roll as Qurimbah Road. |
| Sources | NAA: B2455, DARGAN William Robert |