| Regimental number | 10439 |
| Place of birth | Melbourne Victoria |
| Religion | Roman Catholic |
| Occupation | Dentist's assistant |
| Address | Glebe Point, New South Wales |
| Marital status | Single |
| Age at embarkation | 34 |
| Next of kin | Brother, O J McDermott, Whiteball, Glebe Road, Glebe Point, New South Wales |
| Enlistment date | 30 March 1916 |
| Rank on enlistment | HON LT |
| Unit name | Dental Details |
| AWM Embarkation Roll number | 26/105/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A55 Kyarra on 3 June 1916 |
| Rank from Nominal Roll | Staff Sergeant |
| Unit from Nominal Roll | 35th Dental Unit |
| Fate | Returned to Australia 16 June 1919 |
| Date of death | 20 September 1947 |
| Age at death | 66 |
| Place of burial | Macquarie Park Cemetery and Crematorium, New South Wales |