US Congressman. He served in the United States House of Representatives from January 1945 to January 1947 as a representative from Washington's 1st Congressional District. Delacy was a 1932 graduate of the University of Washington in Seattle, where he obtained a masters degree in English. He began his career teaching English at his alma mater the following year, before resigning from the faculty staff in 1937 to pursue a career in politics. From 1937 to 1940 he served as a member of the Seattle City Council. Following the outbreak of the Second World War, he took a job at Todd Shipyards in Seattle as a machinist, where he also devoted time as the editor of the monthly "Bulletin of Machinists Union." In 1944 he was elected as a Democrat to fill the House seat vacated by Warren G. Magnuson, who had been appointed to the United States Senate following the resignation of Homer T. Bone. As a member of Congress, he served on the Naval Affairs Committee and was active in sponsoring labor legislation, public housing projects, while promoting peaceful U.S. policy initiatives in Southeast Asia and Central America. He was a strong critic and opponent over the elimination of price controls, and the creation of the House Committee on Un-American Activities. He was defeated for re-election after being branded as an Anti-American and Pro-Communist by his Republican challenger. In 1948 he moved to the Midwest where he served as Director of Ohio's Progressive Party for two years, before launching an unsuccessful campaign for the Ohio State Legislature as and Independent candidate. Following government service he worked as a carpenter in the Cleveland, Ohio area for eight years, before moving to Los Angeles, California in 1959, where he continued his career as a wood worker until his retirement in the mid 1960s. In 1975 he traveled to China by invitation of the Chinese Government, in recognition for his efforts in helping to improve Sino-American relations. He died from prostate cancer.