| Regimental number | 4604 |
| Place of birth | Wellington, New South Wales |
| School | Public |
| Other training | Q.C. |
| Religion | Roman Catholic |
| Occupation | Hod carrier |
| Address | Shelly Street, Campsie, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, James Horner, Shelly Street, Campsie, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 3rd Battalion, 14th Reinforcement |
| AWM Embarkation Roll number | 23/20/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board RMS Osterley on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 3rd Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Pozieres, Somme Sector, France |
| Age at death | 25.4 |
| Age at death from cemetery records | 25 |
| Place of burial | Warloy-Baillon Communal Cemetery Extension (Plot V, Row E, Grave No. 35), France |
| Panel number, Roll of Honour, Australian War Memorial | 36 |
| Miscellaneous information from cemetery records | Pareents: James and Catherine HORNER, Jersey Street, Hornsby, New South Wales |
| Family/military connections | Brother: William served as Farrier Sgt. in the 13th Field Artillery Brigade. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |