| Regimental number | 640 |
| Place of birth | Blackall Queensland |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Lillirie, Oakey, Queensland |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Mother, Mrs Agnes Grey Affleck, Lillirie, Oakey, Queensland |
| Enlistment date | 11 November 1914 |
| Date of enlistment from Nominal Roll | 11 November 1914 |
| Rank on enlistment | Private |
| Unit name | 5th Light Horse Regiment, C Squadron |
| AWM Embarkation Roll number | 10/10/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A34 Persic on 21 December 1914 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 5th Light Horse Regiment |
| Fate | Returned to Australia 10 March 1916 |
| Family/military connections | Brothers: 555 Pte Claude Stanley AFFLECK, 5th Light Horse Regiment, returned to Australia, 3 September 1915; 2373 Sergeant Alexander James AFFLECK MM, 45th Bn, returned to Australia, 15 June 1919. |
