| Regimental number | 6563 |
| Place of birth | Herberton Queensland |
| Religion | Church of England |
| Occupation | Wheelwright |
| Address | Deloraine, Tasmania |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Father, Mr J Grigg, Deloraine, Tasmania |
| Enlistment date | 4 September 1916 |
| Rank on enlistment | Private |
| Unit name | 12th Battalion, 21st Reinforcement |
| AWM Embarkation Roll number | 23/29/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A17 Port Lincoln on 20 October 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 12th Battalion |
| Fate | Returned to Australia 10 September 1917 |
| Miscellaneous details (Nominal Roll) | *Spelt William Earnest Grigg on NR |