| 2004 | New York: Sen. Zell Miller (Ga.) |
| 2000 | Philadelphia: Sen. John McCain (Ariz.), Gen. Colin Powell (Ret.) and Sec. Condoleezza Rice |
| 1996 | San Diego: Rep. Susan Molinari (N.Y.)
|
| 1992 | Houston: Sen. Phill Gramm (Texas) |
| 1988 | New Orleans: Gov. Thomas Kean (N.J.) |
| 1984 | Dallas: Treasurer Katharine Ortega |
1980 | Detroit: Gov. Guy Vander Jagt (Mich.) | | 1976 | Kansas City: Sen. Howard Baker, Jr. (Tenn.) |
| 1972 | Miami Beach: Indianapolis Mayor Richard Lugar (Ind.) and Anne Armstrong (Texas) |
| 1968 | Miami Beach: Gov. Daniel Evans (Wash.) |
1964 | San Francisco: Gov. Mark O. Hatfield (Ore.) | 1960 | Chicago: Rep. Walter Judd (Minn.) | 1956 | San Francisco: Gov. Arthur Langlie (Wash.) | 1952 | Chicago: Gen. Douglas MacArthur | 1948 | Philadelphia: Gov. Dwight Green (Ill.) | 1944 | Chicago: Gov. Earl Warren (Calif.) | 1940 | Philadelphia: Gov. Harold Stassen (Minn.) | 1936 | Cleveland: Sen. Frederick Steiwer (Ore.) | 1932 | Chicago: Sen. L.J. Dickinson (Iowa) | 1928 | Kansas City: Sen. Simeon Fess (Ohio) | 1924 | Cleveland: Rep. Theodore E. Burton (Ohio) | 1920 | Chicago: Sen. Henry Cabot Lodge (Mass.) | 1916 | Chicago: Sen. Warren G. Harding (Ohio) |
