| Regimental number | 3416 |
| Other Names | David John |
| Religion | Church of England |
| Occupation | Station hand |
| Address | South Gap Station via Port Augusta, South Australia |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, William Henry Greenfield, South Gap Station via Port Augusta, South Australia |
| Enlistment date | 11 April 1917 |
| Rank on enlistment | Private |
| Unit name | 9th Light Horse Regiment, 29th Reinforcement |
| AWM Embarkation Roll number | 10/14/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A55 Kyarra on 7 September 1917 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A73 Commonwealth on 2 November 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Light Horse Regiment |
| Fate | Returned to Australia 10 July 1919 |