| Regimental number | 645 |
| Place of birth | Yarram Victoria |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Yarram Yarram, Victoria |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Father, Patrick Sweeney, Yarram Yarram, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 8th Light Horse Regiment, 1st Reinforcement |
| AWM Embarkation Roll number | 10/13/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A54 Runic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 8th Light Horse Regiment |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 451 Pte Patrick Joseph SWEENEY, 8th Light Horse Regiment, killed in action, 7 August 1915; 1449 Pte Cornelius James SWEENEY, 15th Bn, killed in action, 11 April 1917. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Yarram Cemetery |