| Regimental number | 4241 |
| Other Names | William Mervyn |
| Religion | CS |
| Occupation | Labourer |
| Address | 359 Humffrey Street, Wattle Flat, Ballarat East, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Mother, Mrs H Goldsmith, 359 Humffrey Street, Ballarat East, Victoria |
| Enlistment date | 1 July 1915 |
| Rank on enlistment | Private |
| Unit name | 14th Battalion, 13th Reinforcement |
| AWM Embarkation Roll number | 23/31/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A64 Demosthenes on 29 December 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 14th Battalion |
| Fate | Returned to Australia 18 January 1919 |
