| Regimental number | 9375 |
| Place of birth | Mudgee New South Wales |
| Religion | Church of England |
| Occupation | School teacher |
| Address | Willoughby, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Henry William Underwood, 'Australia', Penshurst Street, Willoughby, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 1st Field Ambulance, Reinforcement 15 |
| AWM Embarkation Roll number | 26/44/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A26 Armadale on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 1st Machine Gun Battalion |
| Promotions |
2nd Lieutenant Unit: 1 MG Btn Promotion date: Lieutenant Unit: 1 MG Btn Promotion date: |
| Fate | Returned to Australia |