| Regimental number | R971 |
| Date of birth | |
| Place of birth | Burwood, New South Wales |
| Religion | Methodist |
| Occupation | Commercial traveller |
| Address | Ormond Street, Ashfield, New South Wales |
| Marital status | Widower |
| Age at embarkation | 26 |
| Next of kin | Father, J B Youdale, Ormond Street, Ashfield, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 7th Light Horse Regiment, 19th Reinforcement |
| AWM Embarkation Roll number | 10/12/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board RMS Mongolia on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | Royal Flying Corps |
| Other details from Roll of Honour Circular | Born 11 January 1888. Enlisted in A.I.F. on 8 January 1915 and was posted to 5th Reinforcements 7th Light Horse Regiment on 6 August 1915. Promoted to Sergeant 13 August 1915 and S.S.M on 14 November 1915. Returned to Australia on 20 January 1916 and re-embarked for Egypt on 12 August 1916. Discharged from A.I.F. to Royal Flying Corps (R.F.C.) on 20 February 1917 as a Second Lieutenant. Became a Pilot Officer on 9 April 1917 posted to No.37 Reserve Squadron. Despatched to France 2 June 1917 and posted to No.9 Squadron on 5 June 1917. Served on temporary duty with No.27 Squadron from 27 June to 2 July 1917. Was transferred to no.21 Squadron as Captain and Flight Commander on 21 September 1917. Wounded in the face on 4 October 1917 but returned to duty 5 October 1917. Killed in action 23 December 1917. Awarded the Military Cross (London Gazette 26 September 1917), and two Bars, (first on 27 October 1917 and second on 4 February 1918, posthumously). All gazetted. |
| Fate | Killed in Action |
| Place of death or wounding | France |
| Age at death | 29.11 |
| Place of burial | No known grave |
| Commemoration details | Arras Flying Services Memorial, France |
| Miscellaneous information from cemetery records | Commemorated (window) in Ashfield Uniting (formely Methodist) Church, New South Wales. Parents: John Beaumont Youdale and Rebecca Youdale, 'Coniston', 43 Ormond Street, Ashfield, New South Wales |
| Family/military connections | Brothers: 1812 Sergeant Eric Maitland YOUDALE, Australian Army Pay Corps, returned to Australia, 4 July 1919; [10646] Lt Roy Harold YOUDALE, Australian Flying Corps, returned to Australia, 6 May 1919; 10688 Company Quartermaster Sergeant Stanley Robert YOUDALE, 3rd Divisional Train, discharged, 24 April 1919. |
| Other details |
War service: Egypt, Gallipoli, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |