Served on the Iowa Supreme Court from April 12, 1972, until he resigned January 31, 1986.
Born at Fort Dodge, Iowa, April 13, 1933, he was graduated from Villanova University in 1955. Following service in the United States Navy (1955 to 1958) he was graduated from the Georgetown University Law school in 1960. He worked one year as a law clerk for Chief Judge Harvey Johnsen at the U.S. Court of Appeals for the Eighth Circuit before returning to Fort Dodge where he engaged in private practice from 1961 to 1968. During this period he also was an Assistant County Attorney of Webster County from 1963 to 1966. In 1968 he was appointed Judge of the District Court and continued to serve in this capacity until coming on the Supreme Court.
Since his resignation from the court, Justice McCormick has engaged in the practice of law in Des Moines.