| Regimental number | 7/379 |
| Address | c/o C G Newton, Hawarden |
| Marital status | Single |
| Next of kin | Martin Mounsey, Butterwick, Bampton, North Penrith, Westmorland, England |
| Rank on embarkation | Trooper |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Main Body, Canterbury Mounted Rifles |
| Embarkation details | Unit embarked from Lyttelton on |
| The Canterbury Mounted Rifles Regiment, Main Body, embarked on board two ships, HMNZT 4 'Tahiti' and HMNZT 11 'Athenic'. It is not possible from the Nominal Roll to determine on which ship an individual embarked. | |
| Final rank | Trooper |
| Final unit | Canterbury Mounted Rifles Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 25 |
| Place of burial | 7th Field Ambulance Cemetery (Plot II, Row B, Grave No 3), Gallipoli, Turkey |
| Miscellaneous information from cemetery records | Parents: Martin and Jane Mounsey, Butterwick, Bampton, Penrith, England |
| Family/military connections | Brother: 9466 Lance Corporal Tom MOUNSEY, 1st Bn, Border Regiment, British Army, killed in action, 11 June 1915. |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Canterbury Mounted Rifles/Main Body |