| Regimental number | 2765 |
| Date of birth | |
| Place of birth | Eulo, Queensland |
| School | Mareeba State Schookl, Queensland |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Mareeba via Cairns, Queensland |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, Mr James Alexander Kearney, Mareeba via Cairns, Queensland |
| Previous military service | Served as a Lieutenant in the Mareeba Cadet Force. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 41st Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/58/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A64 Demosthenes on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 3rd Machine Gun Battalion |
| Other details from Roll of Honour Circular | Joined the Bank of New South Wales, Atherton branch, 5 June 1915. Transferred to Townsville branch, July 1915. |
| Fate | Returned to Australia |
| Family/military connections | Brother: Lt James Hugh O'Neill KEARNEY, 25th Bn, killed in action, 5 June 1918. |
| Other details |
War service: Western Front Wounded in action, Bullecourt, 22 May 1918. Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Pinnaroo Cemetery |
| Sources | 'Bank of New South Wales Roll of Honour' (Sydney, 1921), p. 208. |