| Regimental number | 67 |
| Place of birth | Bathurst, New South Wales |
| True Name | OAKES, Dudley Sedgwick Mansfield |
| Religion | Church of England |
| Occupation | Carpenter |
| Address | Bathurst, New South Wales |
| Marital status | Single |
| Age at embarkation | 23.11 |
| Height | 5' 6" |
| Weight | 130 lbs |
| Next of kin | Father, T Mansfield, Bathurst, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Sapper |
| Unit name | 1st Field Company Engineers |
| AWM Embarkation Roll number | 14/20/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A19 Afric on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Field Company Engineers |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Gallipoli Commenced return to Australia from Alexandria on board HT 'Euripides', 29 August 1915; ischarged (medically unfit: neurasthenia), 12 January 1916. By Statutory Declaration, 21 July 1920, stated true name to be Dudley Sedgwick Mansfield OAKES. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, MANSFIELD Sedgwick |