| Regimental number | 7009 |
| Place of birth | Essex England |
| Religion | Church of England |
| Occupation | Divinity student |
| Address | East St Kilda, Victoria |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, William James Polain, 117 Sebert Road, Forest Gate, Essex, England |
| Enlistment date | 3 July 1917 |
| Rank on enlistment | Private |
| Unit name | 19th Battalion, 21st Reinforcement |
| AWM Embarkation Roll number | 23/36/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on 28 February 1918 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 18th Battalion |
| Fate | Returned to Australia 21 March 1919 |