Dawson was elected as a Republican to the Eightieth Congress (January 3, 1947 – January 3, 1949).
He was an unsuccessful candidate for reelection in 1948 to the Eighty-first Congress.
Dawson was elected to the Eighty-third, Eighty-fourth, and Eighty-fifth Congresses (January 3, 1953 – January 3, 1959).
Dawson voted in favor of the Civil Rights Act of 1957.[1]
He was an unsuccessful candidate for reelection in 1958 to the Eighty-sixth Congress.
He served as vice president of Zions First National Bank from 1959 to 1969.
He was a resident of Salt Lake City, Utah, until his death on November 7, 1981.
He was interred in Kaysville Cemetery, Kaysville, Utah.
(1994) "Dawson, William Adams" article in the Utah History Encyclopedia. The article was written by Doris F. Salmon and the Encyclopedia was published by the University of Utah Press. ISBN 9780874804256. Archived from the original on March 21, 2024 and retrieved on April 13, 2024.