| Year | Debater | Record | Result |
|---|---|---|---|
| 1915 | Hazel Willis, Alex Brown & Ray Cohen | N/A | Finalist |
| 1912 | Abraham Levin, Homer Pfeiffer & Henry Madsen | N/A | Finalist |
| 1911 | Arthur Hawkins, Abraham Levin & Virgil Peters | N/A | Finalist |
| 1910 | Einer Berg, William Kahler & Gladys Marshall | N/A | Semifinalist |
| 1908 | Quentin David, Fred McCarthy & Ethel Willis | N/A | Quarterfinalist |
| 1906 | Belle Blumenfeld, Eugene Coyne & Benjamin Harmon | N/A | Champion |
| 1905 | Belle Blumenfield, Harold Knapp & William Knapp | N/A | Quarterfinalist |