| Regimental number | 48 |
| Place of birth | Gresford, New South Wales |
| School | Gresford Public School, New South wales |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | East Gresford, New South Wales |
| Marital status | Single |
| Age at embarkation | 24.2 |
| Height | 5' 6.5" |
| Weight | 133 lbs |
| Next of kin | Mother, Mrs Sarah Dagg, East Gresford, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | West Maitland, New South Wales |
| Rank on enlistment | Private |
| Unit name | 34th Battalion, A Company |
| AWM Embarkation Roll number | 23/51/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A20 Hororata on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 34th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 27 |
| Place of burial | Messines Ridge British Cemetery (Plot V, Row, Grave No. 37), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 123 |
| Miscellaneous information from cemetery records | Parents: William and Sarah DAGG, East Gresford, New South Wales |
| Other details |
War service: Western Front Embarked Sydney, 2 May 1916; disembarked Plymouth, England, 23 June 1916. Marched out to 9th Training Bn, Lark Hill, 227 July 1916. Admitted to Military Hospital, Parkhouse, 22 October 1916 (venereal disease); discharged from hospital, 23 November 1916; total period of treatment for venereal disease: 33 days. Found guilty, 12 December 1916, of whilst on Escort Duty allowing a prisoner to escape from custody: awarded 14 days' detention. Proceeded overseas to France, 31 December 1916; rejoined 34th Bn, in the field, 5 January 1917. Admitted to 10th Field Ambulance, 2 February 1917 (sore feet); rejoined unit, 8 February 1917. Detached to 2nd Tunnelling Company, 7 February 1917; rejoined unit from detachment, 2 April 1917. Admitted to 10th Field Ambulance, 18 April 1917 (appendicitis); discharged to unit, 21 April 1917. Marched out to Convalescent Camp, 29 May 1917; rejoined unit, in the field, 13 August 1917. Killed in action, 28 June 1917. Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, DAGG Joseph |