| Regimental number | 984 |
| Place of birth | Charlton, Victoria |
| Other Names | Sweeney, Daniel O'N |
| Religion | Roman Catholic |
| Occupation | School teacher |
| Address | Bridgewater on Loddon, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 11" |
| Weight | 140 lbs |
| Next of kin | Father, Chas. Sweeney, Bridgewater on Loddon, Victoria |
| Previous military service | 73rd Infantry Rangers |
| Enlistment date | |
| Place of enlistment | Ouyen, Victoria |
| Rank on enlistment | Sergeant |
| Unit name | 21st Battalion, D 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 | Sergeant |
| Unit from Nominal Roll | 2nd Pioneer Battalion |
| Fate | Returned to Australia |
| Date of death | |
| Age at death from cemetery records | 25 |
| Place of burial | Katoomba Cemetery (Plot 3, Grave No. 6), Katoomba, New South Wales |
| Panel number, Roll of Honour, Australian War Memorial | 173 |
| Miscellaneous information from cemetery records | Parents: Charles and Alicia SWEENEY. Native of Charlton, Victoria |
| Discharge date | |
| Other details |
Commenced return to Australia on board HT 'Euripides', 24 June 1916; disembarked Melbourne, 8 AUgust 1916; discharged (medically unfit), Melbourne, 14 September 1916. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, SWEENEY Daniel O'Neill |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
