CANADIAN ARMY
| Name | Rank | Number | Age on Enlistment | Date Enlisted | Date Discharged | Notes |
| Thomas George Twyman | unknown | 40506 | 32 years | 22nd September 1914 | unknown | |
| Henry John Twyman | unknown | 460406 | 18 years | 2nd June 1915 | unknown | Son of John H. Twyman. |
| Henry Twyman | unknown | 814741 | 26 years | 25th November 1915 | unknown | Son of Henry Twyman. |
| Stephen James Twyman | unknown | 772517 | 22 years | 26th December 1915 | 31st March 1918 | Buried in the Wanquentin Communal Cemetery. |