| Regimental number | 80033 |
| Occupation | Steward |
| Next of kin | Wife, Mrs E A Armstrong, 21 Chapel Street, Timaru |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 42nd Reinforcements, A Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT No 109 Tofua on |
| Harbour records indicate that the actual date of sailing was 2 August 1918. | |
| Fate | |
| Age at death from cemetery records | 44 |
| Place of burial | Cannock Chase War Cemetery (Plot 4, Row H, Grave No 1), Staffordshire, England |
| Miscellaneous information from cemetery records | Parents: William Neil Armstrong and Elizabeth Ann Armstrong; Wife: Elizabeth Alice Armstrong |
| Sources | Nominal Rolls Vol. 4: Roll 88, p. 4 |