| Regimental number | 755 |
| Place of birth | Cooma New South Wales |
| Religion | Church of England |
| Occupation | Tailor |
| Address | c/o Cecil Larkin, James Street, East Guildford, Western Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Brother, Cecil Larkin, James Street, East Guildford, Western Australia |
| Enlistment date | 13 November 1914 |
| Rank on enlistment | Private |
| Unit name | 16th Battalion, C Company |
| AWM Embarkation Roll number | 23/33/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A40 Ceramic on 22 December 1914 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 16th Battalion |
| Fate | Returned to Australia 8 October 1915 |
| Miscellaneous details (Nominal Roll) | *Spelt Henry Larkin on NR |
