| Regimental number | 6410 |
| Place of birth | Crystal Brook, Stanley, South Australia |
| School | Crystal Brook Public School, South Australia |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Yarram, Victoria |
| Marital status | Single |
| Age at embarkation | 27.2 |
| Height | 5' 3" |
| Next of kin | Father, Ernest Charles Yon, Crystal Brook, South Australia |
| Previous military service | Nil (previously rejected for AIF enlistment) |
| Enlistment date | |
| Place of enlistment | Warragul, Victoria |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, 18th Reinforcement |
| AWM Embarkation Roll number | 23/38/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A20 Hororata on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 21st Battalion |
| Fate | Killed in Action |
| Place of death or wounding | France |
| Age at death | 31 |
| Age at death from cemetery records | 31 |
| Place of burial | Aeroplane Cemetery (Plot II, Row A, Grave 27), Ypres, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 95 |
| Miscellaneous information from cemetery records | Parents: Charles Alexander and Maria Jane YON |
| Family/military connections | Brothers: 62632 Pte Percival Edward YON, 23rd Bn, ship recalled owing to cessation of hostilities; 971 Pte Harry YON, 27th Bn, returned to Australia, 24 December 1918; 1932/5136 Pte Charles Albert YON, 27th Bn, returned to Australia, 1 November 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, YON Robert Henry |