| Regimental number | 11/2241 |
| Occupation | Carpenter |
| Next of kin | Father, Robert Thelwall, Aberdeen Road, Gisborne |
| Rank on embarkation | Trooper |
| Unit name | New Zealand Expeditionary Force, Details sailed on Horse Transport 'Dalmore', Wellington Mounted Rifles, B Squadron |
| Embarkation details | Unit embarked from Wellington on board Dalmore on |
| Family/military connections | Brother: 10/3406 Robert Cecil THELWALL |
| Sources | Nominal Roll Vol. 2: Roll 21, p. 41 |