| Regimental number | 17/382 |
| Date of birth | |
| Place of birth | Timaru |
| Religion | Church of England |
| Address | Olry Station, Hastings |
| Marital status | Single |
| Height | 5' 8.25" |
| Weight | 154 lbs |
| Next of kin | Mother, Mrs E Caswell, Albury, Canterbury |
| Previous military service | Nil |
| Rank on embarkation | Trooper |
| Unit name | New Zealand Expeditionary Force, 8th Reinforcements, New Zealand Veterinary Corps |
| Embarkation details | Unit embarked from Wellington on board SS Willochra on |
| Final rank | Private |
| Final unit | 2nd Battalion, Wellington Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 33 |
| Place of burial | No known grave |
| Commemoration details | Messines Ridge (New Zealand) Memorial, Belgium |
| Miscellaneous information from cemetery records | Parents: Mark and Ellen Caswell, 24 Regent Street, Timaru |
| Family/military connections | Brothers: 17/380 Pte James Walter CASWELL, 2nd Bn, Wellington Infantry Regiment, commenced return to New Zealand, 15 March 1919; 6/4008 Pte George Arthur CASWELL, 2nd Bn, Canterbury Infantry Regiment, killed in action, 21 September 1916; 7/29 Trooper Henry CASWELL, Anzac Mounted Division Headquarters, commenced return to New Zealand, 6 March 1919; 11/2055 Gunner Francis CASWELL, 3rd NZ Field Artillery Brigade, commenced return to New Zealand, 24 July 1919. |
| Other details |
War service: Egypt, Western Front Disembarked Suez, 20 December 1915. Admitted to 2nd NZ Field Ambulance, 6 May 1917; transferred to Casualty Clearing Station, 7 May 1917; to 12th Australian Field Ambulance, 30 May 1917; to Divisional Rest Station, 31 May 1917; rejoined Bn, 12 June 1917. Killed in action, 23 June 1917. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Veterinary Corps/Eighth |
| Sources | Archives New Zealand (Wellington), Agency AABK, Series 18805 |