
| Regimental number | 1627 |
| Place of birth | Ballarat, Victoria |
| Religion | Church of England |
| Occupation | labourer |
| Address | Wilson Street, Ballarat East, Victoria |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Father, G P Day, Wilson Street, Ballarat East, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 38th Battalion, B Company |
| AWM Embarkation Roll number | 23/55/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A54 Runic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 38th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 29 |
| Panel number, Roll of Honour, Australian War Memorial | 129 |
| Miscellaneous information from cemetery records | Parents: George Porter and Mary Ann DAY, Wilson Street, Ballarat East, Victoria. Native of Ballarat,Victoria |
| Family/military connections | Brother: 542 Pte Spencer Frederick DAY, 38th bn, killed in action, 4 October 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |