| Year | Debater | Record | Result |
|---|---|---|---|
| 1968 | 2-8 | 24th Place | |
| 1965 | 4-6 | 16th Place | |
| 1962 | 4-6 | 13rd Place | |
| 1961 | 4-6 | 14th Place | |
| 1958 | 2-4 | 13rd Place | |
| 1957 | 5-1 | 1st Place | |
| 1950 | Sue Churchill, Leonard Kujawa, Vernon Simola & Marguis Ward | 4-2 | 3rd Place |
| 1949 | Sue Churchill, Beverly Evans, Vernon Simula & Marquis Ward | 6-0 | 1st Place |
| 1938 | Carl Diesen & Herbert Anway | N/A | Champion |
| 1921 | N/A | Unknown | |
| 1920 | Ralph Holmberg, Harry Kaner & Frances O'Meara | N/A | |
| 1919 | Belle Stapleton, Klara Kalseth & Miriam Hall | N/A | Quarterfinalist |
| 1918 | Frances Cochrane, Miriam Hall & Reynold Newman | N/A | Champion |