| Regimental number | 15712 |
| Place of birth | Sydney New South Wales |
| Religion | Church of England |
| Occupation | Accountant |
| Address | Marrickville, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Mother, Mrs Mary Ann Larsen, 'Omego', Meik's Road, Marrickville, New South Wales |
| Enlistment date | 1 March 1916 |
| Date of enlistment from Nominal Roll | 21 January 1916 |
| Rank on enlistment | Sapper |
| Unit name | October 1916 Reinforcements |
| AWM Embarkation Roll number | 14/42/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A74 Marathon on 31 October 1916 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 15th Field Company Engineers |
| Fate | Effective abroad (still overseas) |
| Miscellaneous details (Nominal Roll) | *Spelt Herbert Sidney Larsen on NR |
