| Regimental number | 4336 |
| Other Names | ALCOCK, Harold Fosket |
| Religion | Church of England |
| Occupation | Clerk |
| Address | 77 Belmont Road, Mosman, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Walter Alcock, 77 Belmont Road, Mosman, New South Wales |
| Previous military service | 5th Australian Army Medical Corps |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | No 3 Australian General Hospital |
| AWM Embarkation Roll number | 26/67/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board RMS Mooltan on |
| Regimental number from Nominal Roll | 4436 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Machine Gun Battalion |
| Fate | Returned to Australia |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |