| Regimental number | 1259 |
| Place of birth | West Melbourne Victoria |
| Religion | Presbyterian |
| Occupation | French polisher |
| Address | Marshall And Clarence Streets, Newmarket, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Brother, Chas Simpson, Camp Hotel, Dimboola, Victoria |
| Enlistment date | 7 April 1915 |
| Rank on enlistment | Private |
| Unit name | 23rd Battalion, D Company |
| AWM Embarkation Roll number | 23/40/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A14 Euripides on 10 May 1915 |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 23rd Battalion |
| Fate | Returned to Australia 16 March 1918 |
| Miscellaneous details (Nominal Roll) | *Given name William McArthur |
