|Date of birth|
|Place of birth||Brahestad, Finland|
|Religion||Church of England|
|Age at embarkation||24|
|Next of kin||Father, John Puikko, Brahestad, Finland|
|Previous military service||Nil|
|Date of enlistment from Nominal Roll|
|Rank on enlistment||Private|
|Unit name||46th Battalion, 5th Reinforcement|
|AWM Embarkation Roll number||23/63/4|
|Embarkation details||Unit embarked from Melbourne, Victoria, on board HMAT A15 Port Sydney on
|Rank from Nominal Roll||Private|
|Unit from Nominal Roll||4th Machine Gun Battalion|
|Fate||Returned to Australia
War service: embarked Melbourne, 6 September 1916. Marched in to 12th Training Bn, Codford, England, 16 November 1916. Proceeded overseas to France, 4 December 1916.
Found guilty, 17 December 1916, of being out of bounds contrary to orders: forfeited 5 days' pay. Taken on strength, 46th Bn, 29 December 1916. Detached to 12th Machine Gun Company, 22 March 1917. Admitted to 39th General Hospital, Etaples, 7 June 1917; discharged to Base Details, 19 June 1917; total period of treatment for venereal disease: 19 days.
Transferred to 12th Machine Gun Company, 29 June 1917.
Wounded in action, 24 September 1917 (gas poisoning); admitted to 16th General Hospital, Le Treport, 26 September 1917; transferred to England, 5 October 1917, and admitted to 1st Southern General Hospital, Edgbaston, 7 October 1917 (gas poisoning: severe); to 3rd Auxiliary Hospital, Dartford, 24 October 1917; discharged to No. 3 Command Depot, Weymouth, 14 November 1917. Marched out to Overseas Training Brigade, 23 February 1917. Admitted to Military Hospital, Grantham, 19 April 1918; discharged to Training Depot, 1 June 1918. Admitted to 3rd Auxiliary Hospital, Dartford, 23 July 1918, whilst on leave; discharged to No. 3 Command Depot, Hurdcott, 9 August 1918; marched out to No. 2 Command Depot, Weymouth, 9 September 1918. Found guilty, 27 September 1918, of neglecting to obey orders in that he was found in Weymouth without a pass: awarded 4 days' confined to barracks.
Commenced return to Australia on board HT 'Gurka', 8 November 1918, for discharge (chronic bronchitis); disembarked Melbourne, 29 December 1918; discharged, 29 January 1919.
Medals: British War Medal, Victory MedalPuikko wrote to the Registrar, Metal Depot [sic], 15 July 1923, asking that his Victory Medal be forwarded to his new address: Fresen Katu 5, Wiborg, Finland. The letter was subsequently annotated: 'Medal returned unclaimed, 15 January 1924.'