| Regimental number | 25957 |
| Occupation | Farm hand |
| Next of kin | Father, Herbert Southgate, Rookery Farm, Tattingstone, Suffolk, England |
| Rank on embarkation | Rifleman |
| Unit name | New Zealand Expeditionary Force, New Zealand Rifle Brigade, 11th Reinforcements to 1st and 2nd Battalions, E Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 64 Devon on |
| Final rank | Rifleman |
| Final unit | 3rd Battalion, New Zealand Rifle Brigade |
| Fate | Killed in Action |
| Place of burial | No known grave |
| Commemoration details | Messines Ridge (New Zealand) Memorial, Zonnebeke, Belgium |
| Miscellaneous information from cemetery records | Parents: Mr & Mrs H. Southgate, England |
| Family/military connections | Brother: 22879 Pte Samuel SOUTHGATE, 2nd Bn, Otago Infantry Regiment, killed in action, 15 September 1916. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 41, p. 30 |