| Regimental number | 25/891 |
| Date of birth | |
| Place of birth | Christchurch |
| Religion | Church of England |
| Occupation | Clerk |
| Age at embarkation | 21 |
| Height | 5' 6" |
| Weight | 134 lbs |
| Next of kin | Father, Richard Marsack, Terrace Street, Palmerston North |
| Previous military service | Served in Divisional Signal Company; still serving at time of NZEF enlistment. |
| Enlistment date | |
| Place of enlistment | Trentham |
| Rank on embarkation | Corporal |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, New Zealand Rifle Brigade, 3rd Battalion, C Company |
| Embarkation details | Unit embarked from Wellington on |
| The 3rd Battalion, C Company, New Zealand Rifle Brigade left New Zealand on board three ships: HMNZT 42 ('Ulimaroa'), HMNZT 43 ('Mokoia') and HMNZT 44 ('Navua'). It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Sergeant |
| Final unit | 3rd Battalion, New Zealand Rifle Brigade |
| Fate | Killed in Action |
| Age at death from cemetery records | 23 |
| Place of burial | Berks Cemetery Extension (Plot III, Row A, Grave No 24), nr Ieper, Belgium |
| Miscellaneous information from cemetery records | Commemorated on College Rifles, Rugby Union Football & Sports Club, Auckland, Roll of Honour; Auckland Grammar School War Memorial; Memorial Roll, St Paul's Church, Symonds Street, Auckland. Parents: Richard and Mary Marsack, Dunedin |
| Other details |
War service: Egypt, Western Front Embarked Wellington, 5 February 1916; disembarked Suez, 13 March 1916. Reverted to Lance Sergeant, 25 March 1916 (excess of establishment). Embarked Alexandria for France, 7 April 1916. Admitted to No 1 NZ Field Ambulance, in the field, 13 July 1916 (measles), and transferred same day to No 7 General Hospital, St Omer; discharged to Details, 20 July 1916; rejoined unit, in the field, 21 July 1916. Promoted Sergeant, 25 September 1916. Detached to Divisional School, 4 February 1917; rejoined unit, 18 February 1917. Admitted to No 3 NZ Field Ambulance, 27 March 1917 (mumps); transferred to No 7 General Hospital, St Omer, 28 March 1917; rejoined unit, in the field, 14 April 1917. Killed in action, 7 June 1917. Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 24, p. 10 Archives New Zealand (Wellington), Agency AABK, Series 18805 |