|Place of birth||Sydney, New South Wales|
|School||Sydney Grammar School|
|Religion||Church of England|
|Address||143 Livingstone Road, Marrickville, Sydney, New South Wales|
|Age at embarkation||18.5|
|Next of kin||Mother, Mrs Elizabeth Jane Clark, 'Strathowin', Boomerang Street, Turramurra, Sydney, New South Wales|
|Previous military service||Served in the 35th Infantry, Citizen Military Forces; still serving at time of AIF enlistment.|
|Place of enlistment||Sydney, New South Wales|
|Rank on enlistment||Gunner|
|Unit name||Field Artillery Brigade, Reinforcement 30|
|AWM Embarkation Roll number||13/128/2|
|Embarkation details||Unit embarked from Sydney, New South Wales, on board HMAT A15 Port Sydney on
|Rank from Nominal Roll||Gunner|
|Unit from Nominal Roll||2nd Field Artillery Brigade|
|Fate||Killed in Action
|Age at death||19|
|Age at death from cemetery records||23|
|Place of burial||Hancourt British Cemetery (C, 2), Hancourt, Picardie, France|
|Panel number, Roll of Honour,|
Australian War Memorial
|Miscellaneous information from|
|Son of Rosina CLARK, 5 Bryon Street, Glenelg, South Australia, and the late William CLARK|
|Family/military connections||Brother: 4487 Pte Cuthbert Theodore CLARK, 54th Bn, returned to Australia, 13 February 1917; brother-in- law, LT William Frederick CLARK MC, 55th Bn, killed in action, 17 April 1918;|
War service: Egypt, Western Front
Embarked Sydney, 5 November 1917; disembarked Suez, 12 December 1917.
Embarked Alexandria, 18 December 1917; disembarked Taranto, 22 December 1917.
Disembarked Southampton, 5 January 1918.
Proceeded overseas to France, 13 March 1918; taken on strength, 2nd Field Artillery Brigade, in the field, 26 March 1918.
Killed in action, 19 September 1918.Medals: British War Medal, Victory Medal
|Sources||NAA: B2455, CLARK Roy Marcus|