| Regimental number | 3508 |
| Place of birth | Maidstone, Kent, England |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Warwick, Queensland |
| Marital status | Single |
| Age at embarkation | 20.4 |
| Height | 5' 5" |
| Weight | 113 lbs |
| Next of kin | Father, William Thomas Allchin, 17 Bremar Road, Grove Hill road, London, England |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Warwick Farm, New South Wales |
| Rank on enlistment | Private |
| Unit name | 31st Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/48/3 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A42 Boorara on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 31st Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Photo: Andrew Richardson |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Euripides', 21 July 1917; discharged (medically unfit: trench foot), Brisbane, 22 October 1917. Medals: British War Medal, Victory Medal Death attributed to War Service. |
| Date of death | |
| Age at death | 51 |
| Place of burial | Rookwood Necropolis, Sydney, New South Wales |
| Sources | NAA: B2455, ALLCHIN Reginald Sylvanus |
