| Regimental number | 19275 |
| Place of birth | Grange South Australia |
| Other Names | William Haldrin |
| Religion | Methodist |
| Occupation | Electrician |
| Address | Hindmarsh, South Australia |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Mother, Mrs Harriett Reynolds, Cross Street, West Hindmarsh, South Australia |
| Enlistment date | 13 January 1917 |
| Rank on enlistment | Sapper |
| Unit name | Special Draft Reinforcements Signal Service (Egypt) |
| AWM Embarkation Roll number | 22/37/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A55 Kyarra on 3 September 1917 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 1st Signal Squadron |
| Fate | Returned to Australia 3 July 1919 |