| Regimental number | 3854 |
| Other Names | Cyril Ambrose |
| Religion | Roman Catholic |
| Occupation | Public accountant |
| Address | 'Krishna', Whitton Road, Chatswood, New South Wales |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Mother, Mrs M H Leonard, 'Krishna', Whitton Road, Chatswood, New South Wales |
| Enlistment date | 26 May 1915 |
| Rank on enlistment | Acting Company Sergeant Major |
| Unit name | 19th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/36/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A54 Runic on 20 January 1916 |
| Rank from Nominal Roll | Company Sergeant Major |
| Unit from Nominal Roll | 19th Battalion |
| Fate | Returned to Australia 24 June 1916 |