| Regimental number | 1568 |
| Religion | Church of England |
| Occupation | Station overseer |
| Address | Murray Street, Camden, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Alfred Siddons, Murray Street, Camden, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 6th Light Horse Regiment, 12th Reinforcement |
| AWM Embarkation Roll number | 10/11/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT SS Hawkes Bay on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 6th Light Horse Regiment |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Surname spelt SIDDINS Given name Allan John |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
