| Regimental number | 27290 |
| Occupation | Farmer |
| Next of kin | Brother, Charles F Hearn, Rangitata Island |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 17th Reinforcements, J Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 64 Devon on |
| Final rank | Private |
| Final unit | 2nd Battalion, Canterbury Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 29 |
| Place of burial | No known grave |
| Commemoration details | Messines Ridge (New Zealand) Memorial, nr Ieper, Belgium |
| Miscellaneous information from cemetery records | ParentsL Henry and Mary Ann Hearn. Native of Rangitata Island, Canterbury |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 41, p. 19 |