| Regimental number | 291 |
| Date of birth | |
| Other Names | CULLAN, William Douglas |
| Religion | Church of England |
| Occupation | Electrical engineer |
| Address | 'Myanoshta', Pennant Hills Road, Normanhurst, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, William E Cullam, 'Myanoshta', Pennant Hills Road, Normanhurst, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 12th Light Horse Regiment, B Squadron |
| AWM Embarkation Roll number | 10/17/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A29 Suevic on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | Australian Flying Corps |
| Promotions |
2nd Lieutenant Unit: FLY Promotion date: Lieutenant Unit: FLY Promotion date: |
| Fate | Returned to Australia |