| Full name: | Alfred David Thomas Marks |
| Born: | 16th December 1869, Swansea, Glamorgan, Wales |
| Died: | 24th November 1946, Newport, Monmouthshire, Wales |
| Biography: | Solicitor, Llandudno (1896-1908); Senior Classical Master, Barry County School, Glamorgan (1909-17); Classical Master, Newport High School for Boys, Monmouthshire (1918-34) |
| Education: | Friars' School, Bangor; Gonville and Caius College, Cambridge |
| Relations: | Brother: JJ Marks; Sister-in-law: EM Edge |
| Teams: | Llandudno (Miscellaneous: 1890-1896); All teams |
| Lists of matches and more detailed statistics | |