Roger I. McDonough (born September 29, 1892, died November 25, 1966) was an American judge. He served on the Utah Supreme Court from 1938 to 1966. He was the Chief Justice of the Utah Supreme Court from 1947 to 1948 and from 1954 to 1959, and was called upon by President Harry S. Truman to serve on emergency fact-finding boards to help settle labor disputes in the steel and railroad industries.Roger I. McDonough was born September 29, 1892, in Park City, Utah. He was the son of Irish immigrants Bartley and Minnie Power McDonough. Upon graduation from Park City High School, he was hired to teach history and geography in the Park City Schools, and eventually was made principal of the Jefferson School.