| Regimental number | 18748 |
| Place of birth | Carlton Victoria |
| Other Names | Daniel Denis |
| Religion | Roman Catholic |
| Occupation | Medical student |
| Address | Fitzroy, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, F H Gearan, 62 Gertrude Street, Fitzroy, Victoria |
| Previous military service | M U Rifles |
| Enlistment date | 27 April 1917 |
| Rank on enlistment | Private |
| Unit name | Army Medical Corps, August 1917 Reinforcements |
| AWM Embarkation Roll number | 26/99/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT SS Indarra on 26 November 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Australian General Hospital |
| Fate | Returned to Australia 1 August 1919 |