| Regimental number | 4393 |
| Place of birth | Abbotsford, Melbourne, Victoria |
| True Name | YOULDEN, Clarence |
| School | Box Hill State School, Victoria |
| Religion | Presbyterian |
| Occupation | Turner |
| Address | Springfield Road, Box Hill, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Aunt, Mrs E Youlden, Springfield Road, Box Hill, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 22nd Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/39/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT RMS Orontes on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 22nd Battalion |
| Other details from Roll of Honour Circular | 'Pte C. Youlden made attempts to go to the War at the age of sixteen, being rejected and sent home from Camp several times, he did not succeed in getting away until he made his ninth attempt.' (details from mother) |
| Fate | Died of wounds |
| Age at death | 18 |
| Place of burial | Heilly Station Cemetery ((Plot V, Row E, Grave No. 15), Mericourt-L'Abbe, France |
| Panel number, Roll of Honour, Australian War Memorial | 98 |
| Other details |
War service: Egypt, Western Front Medals: British War Medal, Victory Medal |