| Regimental number | 7093 |
| Date of birth | 29 September 1899 |
| Place of birth | Mt Kembla, New South Wales |
| Other Names | James Jalbert |
| School | Nulkaba Primary School, (near Cessnock) New South Wales |
| Religion | Methodist |
| Occupation | Miner |
| Address | Cessnock, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, W T Olsen, Allandale Road, Cessnock, New South Wales |
| Enlistment date | 19 July 1917 |
| Date of enlistment from Nominal Roll | 9 July 1917 |
| Rank on enlistment | Private |
| Unit name | 17th Battalion, 21st Reinforcement |
| AWM Embarkation Roll number | 23/34/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A14 Euripides on 31 October 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 17th Battalion |
| Fate | Returned to Australia 17 March 1919 |
| Family/military connections | Brother: 526 Private Alfred OLSEN, 34th Battalion, B Company, returned to Australia 19 February 1919; Cousin: 7062 Private Vivian Arthur JOHNSON, 17th Battalion, 21st Reinforcement, returned to Australia 4 January 1919. |
| Date of death | 20 December 1962 |
| Age at death | 63 |
| Place of burial | Beresfield Crematorium, Beresfield, New South Wales |
