| Regimental number | 657 |
| Place of birth | Copenhagen Denmark |
| Religion | Lutheran |
| Occupation | Labourer |
| Marital status | Widower |
| Age at embarkation | 42 |
| Next of kin | Daughter, Miss Nellie Olsen, Alexander Street, East Bundaberg, Queensland |
| Enlistment date | 28 December 1915 |
| Rank on enlistment | Private |
| Unit name | 42nd Battalion, C Company |
| AWM Embarkation Roll number | 23/59/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A30 Borda on 5 June 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 42nd Battalion |
| Fate | Returned to Australia 8 April 1917 |
| Miscellaneous details (Nominal Roll) | *Spelt Niels Olsen on NR |
