| Regimental number | 6974 |
| Place of birth | Rockhampton, Queensland |
| School | Superior Public School, Ornage, New South Wales |
| Other training | Technical College, Rockhampton, Queensland |
| Religion | Church of England |
| Occupation | Storeman |
| Address | Sherwood Road, Toowong, Queensland |
| Marital status | Single |
| Age at embarkation | 37 |
| Next of kin | Brother, Mr G H Caffyn, Sherwood Road, Toowong, Queensland |
| Previous military service | Served in School Cadets, Orange, New South Wales. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 11th Battalion, 23rd Reinforcement |
| AWM Embarkation Roll number | 23/28/4 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A35 Berrima on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 11th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Ypres, Belgium |
| Age at death | 39 |
| Age at death from cemetery records | 39 |
| Place of burial | Potijze Chateau Grounds Cemetery (Plot I, Row C, Grave 5), Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 61 |
| Miscellaneous information from cemetery records | Parents: William S. and Lilian Jane CAFFYN |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |