| Year | Debater | Record | Result |
|---|---|---|---|
| 1973 | Unknown | Did Not Clear | |
| 1971 | Claudia Scott, Herbert Kroon, Bettie Panka & Harold Kullberg | Unknown | Did Not Clear |
| 1969 | 7-3 | 5th Place | |
| 1964 | 6-4 | 8th Place | |
| 1963 | 8-2 | 1st Place | |
| 1962 | 4-6 | 15th Place | |
| 1960 | 4-2 | 4th Place | |
| 1958 | 5-1 | 5th Place | |
| 1957 | 4-2 | 5th Place | |
| 1955 | 5-1 | 2nd Place | |
| 1953 | 4-2 | 3rd Place | |
| 1952 | 4-2 | 4th Place | |
| 1951 | 2-4 | 7th Place | |
| 1950 | George Enfield, John Grundfilder, Jim Taylor & Jeanne A. Powers | 5-1 | 2nd Place |
| 1949 | John Gruenfelder, Richard Hotchkiss, Wendell Johnson & James Taylor | 3-3 | 3rd Place |
| 1948 | Joan Aaberg & Marilyn Mason | 4-0 | 1st Place |
| 1947 | Stephen Babcock & Waldo Johnston | 2-2 | Unknown |
| 1946 | Roderick McGrew & Gary Witt | 3-1 | 1st Place |
| 1945 | N/A | Semifinalist | |
| 1944 | Marion Chesborough & John Zell | N/A | Finalist |
| 1943 | Herbert Clark, Thomas Hughes, Ted Rix (Alt) & John Zell (Alt) | N/A | Champion |
| 1942 | Blaine Evans & Thomas Hughes | N/A | Finalist |
| 1941 | Thomas Hughes & Robert Rieke | N/A | Finalist |
| 1940 | N/A | Semifinalist | |
| 1939 | N/A | Semifinalist | |
| 1937 | N/A | Quarterfinalist | |
| 1936 | Bob Lloyd, Bob Gentz & Leas Schmichert | N/A | Champion |
| 1933 | Cornelius Votca, Fred Bordwell & Virginia Schnepf | N/A | Champion |
| 1928 | N/A | Champion | |
| 1908 | Earl King, Walter Koeppen & Margaret Marsh | N/A | Quarterfinalist |