| Year | Debater | Record | Result |
|---|---|---|---|
| 2002 | Rachael LeRette & Andrew Olson | 2-4 | Did Not Clear |
| 2001 | William Azuz & Rachael LeRette | 0-6 | Did Not Clear |
| 1998 | Nick Hern & Ilona Moore | 3-3 | Did Not Clear |
| 1996 | Erik Lanson & Steward Nelson | 1-5 | Did Not Clear |
| 1993 | Anne Nelson & Nathan Salminen | 2-2 | Octafinalist |
| 1992 | Brenna Nelson & Nathan Salminen | 1-3 | Did Not Clear |
| 1992 | Ben Johnson & Anne Nelson | 0-4 | Did Not Clear |
| 1991 | Brenna Nelson & Sherry Rovinsky | 2-2 | Octafinalist |
| 1984 | Judy Grew & Bruce Messelt | 4-0 | Finalist |
| 1983 | 2-2 | Octafinalist | |
| 1982 | 4-0 | Semifinalist | |
| 1982 | 3-1 | Octafinalist | |
| 1981 | 4-0 | Octafinalist | |
| 1980 | 4-0 | Octafinalist | |
| 1972 | Unknown | Did Not Clear | |
| 1971 | Unknown | Did Not Clear | |
| 1964 | 4-6 | 17th Place | |
| 1963 | 7-3 | 5th Place | |
| 1962 | 7-3 | 8th Place | |
| 1960 | 3-3 | 10th Place | |
| 1956 | 1-5 | 16th Place | |
| 1951 | 5-1 | 2nd Place | |
| 1943 | Dorothy Grinden & Nahmine Horwitz | N/A | Finalist |
| 1940 | N/A | Semifinalist | |
| 1933 | N/A | Semifinalist | |
| 1932 | Phil Mayer, William Polski & Lester Shervy | N/A | Finalist |
| 1931 | Marvin Pennington, Philip Mayer & Fee Chinn | N/A | Semifinalist |
| 1929 | John Blood, Haldore Hanson & Lawrence Rudberg | N/A | Finalist |
| 1925 | N/A | Unknown | |
| 1923 | N/A | Unknown | |
| 1922 | N/A | Champion | |
| 1903 | Alfred G. Evans, Joe Harrison & Stanley Stand | N/A | Quarterfinalist |
| 1902 | Esther Searle, Sumner Smith & Louis Zalk | N/A |