| Regimental number | 26 |
| Place of birth | Brisbane Queensland |
| Other Names | Selwyn Ackworth |
| Religion | Presbyterian |
| Occupation | Chemist's assistant |
| Address | 'Elsdah', Hobb Street, Auchenflower, Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, David James Clarke, 'Elsdah', Hobb Street, Auchenflower, Brisbane, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 1 Australian General Hospital (November 1914) |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board Transport A55 Kyarra on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 14th Field Ambulance |
| Fate | Returned to Australia |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
