| Regimental number | 1931 |
| Place of birth | Mt Gambier South Australia |
| Religion | Presbyterian |
| Occupation | Postal assistant |
| Address | PO, Mount Gambier, South Australia |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Mother, Mrs Ruth Hay, Wyatt Street, Mount Gambier, South Australia |
| Enlistment date | 19 May 1915 |
| Rank on enlistment | Private |
| Unit name | 27th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/44/2 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A15 Star Of England on 21 September 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 2nd Divisional Signal Company |
| Fate | Returned to Australia 31 March 1919 |
| Miscellaneous details (Nominal Roll) | *Given name Reginald Alexander |