|Date of birth|
|Place of birth||Batlow, New South Wales|
|Religion||Church of England|
|Address||Batlow, New South Wales|
|Age at embarkation||24|
|Next of kin||M L Hartnett, Bago, Adelong, New South Wales|
|Rank on enlistment||Private|
|Unit name||1st Light Horse Regiment, B Squadron|
|AWM Embarkation Roll number||10/6/1|
|Embarkation details||Unit embarked from Sydney, New South Wales, on board HMAT A16 Star Of Victoria on
|Regimental number from Nominal Roll||Commissioned|
|Rank from Nominal Roll||Lieutenant|
|Unit from Nominal Roll||1st Light Horse Brigade Machine Gun Squadron|
Unit: Machine Gun Corps
|Fate||Returned to Australia
|Family/military connections||Brother: 4539 Pte Henry George HARTNETT, 2nd Bn, returned to Australia, 23 September 1918.|
War service: joined 1st Light Horse at Gallipoli, 15 July 1915. Admitted to hospital, Port Said, 24 August 1915 (colic); discharged to Convalescent Camp, Alexandria, 28 August 1915. Rejoined unit at Gallipoli, 13 November 1915. General evacuation from Gallipoli: disembarked Alexandria, 17 December 1915.
Proceeded to join Western Field Force, 14 January 1916. Transferred to Machine Gun Squadron, Romani, Egypt, 21 July 1916. Appointed Lance Corporal, 1 August 1916; Lance Sergeant, 12 February 1917. Admitted to Rest Camp, Port Said, 24 September 1917; rejoined unit, 4 October 1917.
Proceeded to Cadet School, Zeitoun, 1 July 1918. Qualified for commission and appointed 2nd Lieutenant, 1 January 1919. Promoted Lieutenant, 16 March 1919.
Marched into Details Camp from 1st Machine Gun Squadron, 12 May 1919. Commenced return to Australia on board HT 'Essex', 13 June 1919; disembarked Sydney, 28 July 1919; discharged, 27 September 1919.Medals: 1914-15 Star, British War Medal, Victory Medal
|Date of death|
|Age at death||79|
|Place of burial||Cremated: Northern Suburbs Crematorium, Sydney, New South Wales|