| Regimental number | 657 |
| Place of birth | Mount Victoria New South Wales |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Broken Hill, South Australia |
| Marital status | Single |
| Age at embarkation | 40 |
| Next of kin | Sister-in-Law, Mrs Mary D'Arcy, 22 Wakefield Street, Kent Town, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 43rd Battalion, D Company |
| AWM Embarkation Roll number | 23/60/1 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A19 Afric on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 43rd Battalion |
| Fate | Died of illness |
| Miscellaneous details (Nominal Roll) | *Spelt John Darcy on NR |
| Place of burial | Woltemade Cemetery (Cemetery 4, Block 1, Grave 131A), Cape Town, South Africa |
| Panel number, Roll of Honour, Australian War Memorial | 136 |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |