| Regimental number | 72427 |
| Place of birth | Australia |
| Occupation | Bootmaker |
| Next of kin | Father, John Millar Sinclair, Mulberry Street, Kaikorai Valley, Dunedin |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 37th Reinforcements, A Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 103 Maunganui on |
| Final rank | Rifleman |
| Final unit | 2nd Battalion, New Zealand Rifle Brigade |
| Fate | Killed in Action |
| Age at death from cemetery records | 29 |
| Place of burial | Le Quesnoy Communal Cemetery Extension (Plot I, Row A, Grave No 7), France |
| Miscellaneous information from cemetery records | Parents: John and Elizabeth Sinclair, Mulberry Street, Kaikorai Valley, Dunedin |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Rolls Vol. 4: Roll 82, p. 7 |