|Date of birth|
|Place of birth||Nairne, South Australia|
|School||Nairne Public School, South Australia|
|Religion||Church of England|
|Address||Nairne, South Australia|
|Age at embarkation||26|
|Next of kin||Father, William Andrew Mahoney, Nairne, South Australia|
|Date of enlistment from Nominal Roll|
|Rank on enlistment||Private|
|Unit name||27th Battalion, 6th Reinforcement|
|AWM Embarkation Roll number||23/44/2|
|Embarkation details||Unit embarked from Adelaide, South Australia, on board HMAT A24 Benalla on
|Regimental number from Nominal Roll||2724A|
|Rank from Nominal Roll||Lance Corporal|
|Unit from Nominal Roll||32nd Battalion|
|Fate||Returned to Australia
|Family/military connections||Sister: Staff Nurse Mary PENNIFOLD, Australian Army Nursing Service|
Private Mahoney was dangerously ill with pneumonia on 13 February 1916, and was admitted to hospital at Heliopolis. He was ill until he embarked with the 27th Battalion for service overseas, per the HT 'Franconia' on 2 August 1916. He was transferred to the 14th Training Battalion.
While on active service, he was absent without leave from 0600 12 August 1916 to 1430 14 August 1916. Forfeited a total of 10 days pay.
On 29 September 1916, he proceeded to France, and was transferred to the 32nd Battalion. He was wounded in action on 8 December 1916, and rejoined his unit on 22 December 1916.
He was appointed Lance Corporal on 19 April 1917. On 24 January 1918, he was sent to a Lewis Gun course, and rejoined his unit on 14 February 1918. He was wounded on 19 February, and sent to hospital in England. After his stay in hospital he was allowed two weeks furlough,from 31 July 1918 to 14 August 1918, before he left England for his return to Australia on 15 August 1918.
|Date of death|
|Place of burial||Cremated, St Matthews Church Cemetery, Kensington Road, Norwood, South Australia|