| Regimental number | 2531 |
| Place of birth | Inverloch, Victoria |
| Religion | Church of England |
| Occupation | Motor cycle trade |
| Address | Hastings, Victoria |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, O'Shannasy, Police Station, Hastings, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 6th Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/23/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A64 Demosthenes on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 58th Battalion |
| Fate | Killed in Action |
| Miscellaneous details (Nominal Roll) | *Spelt Alan Neil O'Shannassy on NR |
| Age at death from cemetery records | 21 |
| Place of burial | Rue-Petillon Military Cemetery (Plot I, Row K, Grave No. 125), France |
| Panel number, Roll of Honour, Australian War Memorial | 166 |
| Miscellaneous information from cemetery records | Parents: Peter and Sara O'SHANNASSY, Pakenham, Victoria |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
