| Regimental number | 4784 |
| Place of birth | Maninai New South Wales |
| Religion | Church of England |
| Occupation | Bookmaker's clerk |
| Address | Kalgoorlie, Western Australia |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Brother, Mr H S Day, Bayswater, Western Australia |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 11th Battalion, 15th Reinforcement |
| AWM Embarkation Roll number | 23/28/4 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 11th Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Dprly John Ellwood Day on NR |
| Miscellaneous information from cemetery records | Plaque in Western Australia Garden of Remembrance |
| Date of death |