| Regimental number | 218 |
| Place of birth | Castlemaine, Victoria |
| School | State School, Victoria |
| Religion | Presbyterian |
| Occupation | Labourer |
| Address | 12 Weller Street, Geelong West, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, John Maddern, 12 Weller Street, Geelong West, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, A Company |
| AWM Embarkation Roll number | 23/38/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 21st Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Pozieres, Somme Sector, France |
| Age at death | 20.8 |
| Place of burial | Pozieres British Cemetery (Plot III, Row H, Grave No. 9), Ovillers-La-Boisselle, France |
| Panel number, Roll of Honour, Australian War Memorial | 94 |
| Miscellaneous information from cemetery records | Parnts: John and Henrietta Priscilla MADDERN, 7 Western Stret, Geelong West, Victoria. Native of Castlemaine, Victoria |