William McConnel was a British industrialist and mill-owner from Lancashire, England. He founded the Aberdovey Slate Company that ran the Bryn Eglwys slate quarry from 1863 onwards and oversaw the construction of the associated Talyllyn Railway.
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- January 1, 1809
- Died
- January 1, 1902
