| Regimental number | 213 |
| Place of birth | London, England |
| Other Names | Alan Seymour |
| Religion | Roman Catholic |
| Occupation | Surveyor |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Cousin, Mrs S.A. Young, Woitskai Street, Petrograd, Russia |
| Enlistment date | |
| Place of enlistment | Holsworthy, New South Wales |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, A Squadron |
| AWM Embarkation Roll number | 10/12/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A33 Ayrshire on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 14th Field Artillery Brigade |
| Fate | Returned to Australia |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |