William Welsh was a merchant, ship owner and politician in Prince Edward Island. He represented Queen's County in the House of Commons of Canada from 1887 to 1896 as an Independent Liberal and then Liberal member. Welsh represented 4th Queens in the Legislative Assembly of Prince Edward Island from 1873 to 1878 as a Liberal member.
- Occupation
- politician, merchant, ship-owner
- Position held
- member of the House of Commons of Canada, member of the House of Commons of Canada
- Citizenship
- Canada
- Born
- November 22, 1822
- Died
