| Year | Debater | Record | Result |
|---|---|---|---|
| 1970 | 4-6 | 18th Place | |
| 1967 | 5-5 | 14th Place | |
| 1966 | 4-6 | 18th Place | |
| 1964 | 1-9 | 24th Place | |
| 1963 | 0-10 | 23rd Place | |
| 1962 | 0-10 | 24th Place | |
| 1961 | 3-7 | 20th Place | |
| 1959 | 3-3 | 11st Place | |
| 1958 | 3-3 | 10th Place | |
| 1956 | 2-4 | 14th Place | |
| 1955 | Unknown | Unknown | |
| 1936 | N/A | Quarterfinalist | |
| 1935 | Francis Norman, Mary Robbins & Paul Sharp | N/A | Champion |
| 1929 | Deborah Ekrem, Margaret Fosmark, Carol Lillo, Margaret Pratt, Robert Thompson & Sue Thorson | N/A | Champion |
| 1928 | N/A | Unknown | |
| 1923 | N/A | Unknown | |
| 1921 | N/A | Champion | |
| 1920 | George Hagen, James Montague, Keith Sanberg & Robert Cowan | N/A | Quarterfinalist |
| 1919 | Harold Robbins, Clarence Fylling & Keith Sanberg | N/A | Finalist |
| 1918 | Mildred Strander, Albert Mills & Maurice Mills | N/A | Quarterfinalist |
| 1913 | Ruth Lindell, Edmind Sylvester & Donald Hughes | N/A | |
| 1912 | Harry Sylvester, Leslie Lee & Walter Baumgartel | N/A | Champion |