| Regimental number | 12/2375 |
| Address | Poroti Whangarei |
| Marital status | Single |
| Next of kin | Sister, Miss L E Marriner, c/o J B Firth, Dentist, Karangahape Road, Auckland |
| Rank on embarkation | Lance Corporal |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 5th Reinforcements, Auckland Infantry Battalion |
| Embarkation details | Unit embarked from Wellington on board HMNZT Maunganui on |
| The 5th Reinforcements, Auckland Infantry Battalion, left New Zealand on board three ships, HMNZT 24 'Maunganui', HMNZT 25 'Tahiti', and HMNZT 26 'Aparima'. It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Corporal |
| Final unit | 1st Battalion, Auckland Infantry Regiment |
| Fate | Died of wounds |
| Age at death from cemetery records | 25 |
| Place of burial | Heilly Station Cemetery (Plot IV, Row I, Grave No 83), Mericourt-L'Abbe, France |
| Miscellaneous information from cemetery records | Parents: William Arthur and Mary Marriner, Northern Wairoa |
| Family/military connections | Brother (twin): 12/2342 Pte Charles Croxton MARRINER, Auckland Infantry Regiment, died of disease, 15 September 1919. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Auckland Infantry Batln/Fifth |