George Osmond Hyde, 86, a retired chief administrative law judge with the Agriculture Department who was also active with the Church of Jesus Christ of Latter-day Saints, died of a stroke Nov. 3 at the home of his son in Beaverton, Ore.

Mr. Hyde, who lived in Kensington, was visiting when he was stricken. He was born in Downey, Idaho. During World War I, he served in the Army in Europe. After the war, he went to England on a mission for the Mormon church.

He moved to Washington about 1922 and received a law degree from George Washington University in 1926. He was an attorney with Agriculture during the 1930s.

He went to work for the war frauds section of the Justice Department in 1943 and was appointed chief counsel to the old House Food Investigating Committee in 1945. After the war, he was assigned to Tokyo as a prosecutor at the war crimes trials. He later returned to Agriculture as an administrative law judge and retired in 1969.

Mr. Hyde was supervisor of the baptistry at the Washington Temple of the Morman church in Kensington from 1974 to 1984. He also had performed weddings at the temple and was a music and choir director.

Survivors include his wife of 61 years, Lona Stratford Hyde, of Kensington; five daughters, Marian Brady of Baker, Ore., Lona Mae Lauritzen of Salt Lake City, Joanne Kuttler of Moscow, Idaho, Edna Lou Harper-Smith of Lake Forest, Calif., and Adele Larsen of Bountiful, Utah; a son, George O. Jr., of Beaverton; a brother, Rosel, of Washington; a sister, Erma Brim of Downey; 26 grandchildren, and 24 great-grandchildren.