When William Henry Sedge was born on 3 June 1889, in Cleveland, Klickitat, Washington, United States, his father, Henry Sedge, was 34 and his mother, Sarah Eleanor Plumley, was 27. He married Minnie Jensen on 12 June 1915, in Yakima, Washington, United States. He lived in Naches, Yakima, Washington, United States in 1920 and Election Precinct 41 East Naches, Yakima, Washington, United States in 1940. He died on 2 April 1964, in Yakima, Yakima, Washington, United States, at the age of 74, and was buried in Yakima, Yakima, Washington, United States.