| Regimental number | 4828 |
| Place of birth | Port Melbourne, Victoria |
| School | Box Hill State School, Victoria |
| Other training | Central Business College and Australia Coaching College, Victoria |
| Religion | Baptist |
| Occupation | Clerk |
| Address | 171 Station Street, Box Hill, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 7" |
| Weight | 154 lbs |
| Next of kin | Father, Mr E Maddocks, 171 Station Street, Box Hill, Victoria |
| Previous military service | Served for 4 years in the Senior Cadets, 48th Infantry, Citizen Military Forces.. |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | 8th Battalion, 15th Reinforcement |
| AWM Embarkation Roll number | 23/25/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A18 Wiltshire on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 59th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Pozieres, Somme Sector, France |
| Age at death | 20.8 |
| Age at death from cemetery records | 22 |
| Place of burial | Ration Farm Military Cemetery (Plot VI, Row H, Grave No. 47), La Chapelle d'Armentieres, France |
| Panel number, Roll of Honour, Australian War Memorial | 168 |
| Miscellaneous information from cemetery records | Parents: Edward and Elizabeth Ann MADDOCKS, 173 Station Street, Box Hill, Victoria, Australia |
| Other details |
War service: Egypt, Western Front Taken on strength, 59th Bn, Duntroon Plateau, 20 April 1916, and reverted to the ranks. Embarked Alexandria to join the British Expeditionary Force, 18 June 1916; disembarked Marseilles, France, 29 June 1916. Posted missing, 19 July 1916. Court of Enquiry, held in the field, 29 August 1917, pronounced fate as 'Killed in Action, 19 July 1916'. Handwritten note on Form B103: 'Presume Buried In No Man's Land approx 5J90 43 to 5K02.5.1 Sheet Hazebrouck 5A'. Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, MADDOCKS John Henry |