|The Honourable Mr. Justice
|Puisne Justice of the Supreme Court of Canada|
September 29, 1977 – April 22, 1988
|Preceded by||Wilfred Judson|
|Succeeded by||John Sopinka|
|Born||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. 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.
- 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
|Chancellor of Wilfrid Laurier University
John E. Cleghorn
|Stanley Cup Trustee