Representative from Massachusetts (1928-1971); Speaker of the House of Representatives (1962-1971).
Oral History Interviews (1977): McCormack completed one interview for the John F. Kennedy Library on 3/30/1977, where he discusses his memories of Congress, his close working relationship with Samuel Taliaferro Rayburn, and the relationship between the legislative and executive branches of government during the John F. Kennedy administration, among other issues. In addition, McCormack also completed one interview for the Lyndon Baines Johnson Library in 1968.