| Date of birth | |
| Place of birth | Mount Barker South Australia |
| Religion | Congregational |
| Occupation | Bank officer |
| Address | East Perth, Western Australia |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, William Charles Ryder, 2 Norbert Street, East Perth, Western Australia |
| Enlistment date | |
| Rank on enlistment | Lieutenant |
| Unit name | 28th Battalion, 18th Reinforcement |
| AWM Embarkation Roll number | 23/45/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A34 Persic on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 28th Battalion |
| Promotions |
Lieutenant Unit: 28th Battalion Promotion date: |
| Fate | Effective abroad (still overseas) |
| Family/military connections | Brother: 2768 Lance Corporal Norman Charles RYDER, 44th Bn, returned to Australia, 1 June 1919. |