| Regimental number | 3699 |
| Place of birth | Rockhampton Queensland |
| Other Names | OLSEN, David |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Opossum Vale, Mt Morgan, Queensland |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Stewart Olsen, Opossum Vale, Mt Morgan, Queensland |
| Enlistment date | 5 April 1917 |
| Rank on enlistment | Private |
| Unit name | 49th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/66/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A7 Medic on 1 August 1917 |
| Regimental number from Nominal Roll | 3699B |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Corps Working Party |
| Fate | Returned to Australia 20 December 1918 |
