| Regimental number | 2/1820 |
| True Name | SEYMOUR, William |
| Address | 98 Cook Street, Auckland |
| Marital status | Single |
| Next of kin | Father, Walter Seymour, Mokai, Rotorua Line |
| Rank on embarkation | Gunner |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, 5th Reinforcements, New Zealand Field Artillery |
| Embarkation details | Unit embarked from Wellington on board Maunganui on |
| Final rank | Corporal |
| Final unit | New Zealand Field Artillery |
| Fate | Killed in Action |
| Place of burial | Cite Bonjean Military Cemtery (Plot IV, Row B, Grave No. 36), Armentieres, France |
| Miscellaneous information from cemetery records | Mother: Mrs K. Seymour, Mokai, Rotorua |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Field Artillery/Fifth |