| Regimental number | 17646 |
| Place of birth | Maitland New South Wales |
| Religion | Methodist |
| Occupation | Telegraph messenger |
| Address | Coff's Harbour, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Alfred John King, Nana Glen, via South Grafton, New South Wales |
| Enlistment date | 5 December 1916 |
| Rank on enlistment | Sapper |
| Unit name | Sanitary Section 1, Engineer Reinforcements, March, 1917 |
| AWM Embarkation Roll number | 22/17/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A15 Port Sydney on 9 May 1917 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | 1st Signal Squadron Australian Mounted Division |
| Fate | Returned to Australia 3 July 1919 |
| Miscellaneous details (Nominal Roll) | *second given name two spellings Dadkin and Dodkin |