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|Puisne Justice of the Supreme Court of Canada|
September 29, 1977 – April 22, 1988
|Nominated by||Pierre Trudeau|
|Preceded by||Wilfred Judson|
|Succeeded by||John Sopinka|
Willard Zebedee Estey
October 10, 1919
|Died||January 25, 2002(aged 82)|
|Relations||James Wilfred Estey, father|
Estey was born in Saskatoon, Saskatchewan. He was the son of James Wilfred Estey, a puisne justice of the Supreme Court of Canada, and Muriel Baldwin. He studied at the University of Saskatchewan earning a BA in 1940 and an LL.B in 1942. He joined the armed forces and fought during World War II, including acting as a Canadian Observer with US forces during the battle for Okinawa. Upon returning to Canada went to study at Harvard Law School and received a LL.M in 1946.
From 1946 he taught at the University of Saskatchewan and then moved to Ontario the following year to practice law. In 1973, he was appointed to the Court of Appeal for Ontario and two years later was named Chief Justice of the High Court of Justice of Ontario. He became Chief Justice of Ontario in 1976. He was appointed to the Supreme Court of Canada in 1977 to replace Wilfred Judson.
Willard Estey retired from the Supreme Court of Canada in 1988.
Estey was appointed a trustee of the Stanley Cup in 1984 on the nomination of Red Dutton, succeeding Clarence Campbell. In 1985, he was appointed as Commissioner of Inquiry into the collapses of the Canadian Commercial Bank and the Northland Bank, both of which had been closed by the Canadian government that year. His report, Report of the Inquiry into the Collapse of the CCB and Northland Bank, was issued in 1986.
- In 1977 he was awarded an honorary Doctor of Laws from Wilfrid Laurier University.
- In 1979 he was awarded an honorary Doctor of Laws from University of Toronto.
- In 1984 he was awarded an honorary Doctor of Laws from the University of Saskatchewan.
- In 1990 he was made a Companion of the Order of Canada.
- Labatt Breweries v. Canada (Attorney General),  1 S.C.R. 914
- Law Society of Upper Canada v. Skapinker,  1 S.C.R. 357
- R. v. Canadian Dredge & Dock Co.  1 S.C.R. 662
- Multiple Access Ltd v McCutcheon  2 SCR 161
- "The Canadiah Army Pacific Force, 1944-1945" (PDF). Retrieved 24 February 2015.
- Government of Canada Publications, Report of the Inquiry into the Collapse of the CCB and Northland Bank. Retrieved 2015-12-18.
| Chancellor of Wilfrid Laurier University
John E. Cleghorn
| Stanley Cup Trustee