| Regimental number | 596 |
| Place of birth | Normanton, North Queensland |
| Other Names | Harry |
| School | State Schools, Normanton, Qld, and Ballarat, Victoria |
| Religion | Church of England |
| Occupation | Clerk |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, H E Catt, Orangerie Bay, Papua |
| Enlistment date | |
| Place of enlistment | Brisbane, Queensland |
| Rank on enlistment | Private |
| Unit name | 25th Battalion, C Company |
| AWM Embarkation Roll number | 23/42/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A60 Aeneas on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 25th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Pozieres, France |
| Age at death | 23 |
| Place of burial | Bologne Eastern Cemetery (Plot VIII, Row B, Grave No. 122), France |
| Panel number, Roll of Honour, Australian War Memorial | 104 |
| Miscellaneous information from cemetery records | Parents: Harry and Margaret CATT, Orangerie Bay, Papua. Native of Port Moresby, Papua |
| Other details |
War service: Egypt, Gallipoli, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |