| Regimental number | 425 |
| Place of birth | York, Western Australia |
| Religion | Church of England |
| Occupation | Grocer's assistant |
| Address | 18 Glyde Street, Fremantle, Western Australia |
| Marital status | Single |
| Age at embarkation | 18.2 |
| Height | 5' 7" |
| Weight | 163 lbs |
| Next of kin | Father, Samuel Sweeny, 18 Glyde Street, Fremantle, Western Australia |
| Previous military service | Served for 3 years in Senior Cadets. |
| Enlistment date | |
| Place of enlistment | Helena Vale, Western Australia |
| Rank on enlistment | Private |
| Unit name | 16th Battalion, C Company |
| AWM Embarkation Roll number | 23/33/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Gallipoli, Western Front Commenced return to Australia on board HT 'Leicestershire', 9 December 1918; disembarked Fremantle, 15 January 1919; discharged, Perth, 15 March 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Surname incorrectly entered on Embarkation Roll as SWEENEY. |
| Sources | NAA: B2455, SWEENY Arthur Brier |