| Regimental number | 32600 |
| Place of birth | Launceston Tasmania |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Frankford, West Tamar, Tasmania |
| Marital status | Widower |
| Age at embarkation | 30 |
| Next of kin | Brother, William Smith, West Ulverstone, Tasmania |
| Enlistment date | 16 October 1916 |
| Rank on enlistment | Driver |
| Unit name | Howitzer Brigade 25, Reinforcement 10 |
| AWM Embarkation Roll number | 13/135/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Osterley on 14 February 1917 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 7th Field Artillery Brigade |
| Fate | Returned to Australia 17 March 1919 |
| Miscellaneous details (Nominal Roll) | *Walker spelt Walter |