William Walsh (7 November 1804 – 11 August 1858) was an archbishop of the Roman Catholic Archdiocese of Halifax.

[citation needed] Walsh became bishop of Halifax in 1845 and in 1852, was appointed archbishop of an expanded ecclesiastical province of Nova Scotia, also designated as Halifax.

[citation needed] On 15 September 1856, Walsh confirmed as Mi'kmaq Grand Chief Jacques-Pierre Peminuit Paul at St. Mary's Basilica (Halifax), Paul also receiving a medal from Pope Pius IX and a written endorsement from the Lt.

Governor, Sir John Gaspard Le Marchant.

This article about a Roman Catholic archbishop from Canada is a stub.