1960s – Arthur Ravenel, Jr., South Carolina State Representative, later U.S. Representative from South Carolina (1987–1995)
1960s – James F. Byrnes, former Governor of South Carolina (1951–1955) and United States Secretary of State (1945–1947)
1960 – Claude R. Kirk, Jr., later Governor of Florida (1967–1971)
1960 – Charlton Lyons
1961 – Perle Mesta, former United States Ambassador to Luxembourg (1949–1953)
1962 – Dave Treen, later U.S. Representative from Louisiana (1973–1980) and Governor of Louisiana (1980–1984)
1962 – Jack M. Cox, former Texas State Representative
1962 – James D. Martin, later U.S. Representative from Alabama (1965–1967)
1962 – Ronald Reagan, while an actor and former Screen Actors Guild president.
1962 – Floyd Spence, South Carolina State Representative, later a U.S. Representative from South Carolina (1971–2001)
1963 – Rubel Phillips, former Mississippi Public Service Commissioner
1963 – Stanford Morse, Mississippi State Senator
1963 – James H. Boyce
1964 – Alfred Goldthwaite, Alabama State Representative
1964 – Clarke Reed
1964 – Howard Callaway, later U.S. Representative from Georgia (1965–1967) and United States Secretary of the Army (1973–1975)
1964 – Iris Faircloth Blitch, former Georgia U.S. Representative (1955–1963)
1964 – Charles W. Pickering, later Mississippi State senator and Judge of the United States District Court for the Southern District of Mississippi (2004)
1964 – Strom Thurmond, while U.S. senator from South Carolina (1954–2003)
1965 – Albert W. Watson, while U.S. Representative from South Carolina (1963–1971) (resigned before switching parties and regained his seat in a special election)
1965 – Roderick Miller, Louisiana State Representative
1966 – Marshall Parker, South Carolina State Senator
1966 – Joseph O. Rogers, Jr., South Carolina State Representative
1966 – Thomas A. Wofford, former U.S. Senator from South Carolina (1956)
1966 – Len E. Blaylock, later U.S. Marshal for the Eastern District of Arkansas (1975–1978)
1966 – Jerry Thomasson, Arkansas State Representative
1966 – Henry Grover, Texas State Representative
1967 - Thad Cochran, U.S. Senator from Mississippi 1978-present, US Representative from Mississippi's 4th District
1967 – William E. Dannemeyer, later U.S. Representative from California (1979–1992)
1967 – Allison Kolb, former Louisiana State Auditor (1952–1956)
I am out of space in the text box to continue this list! As you can see, a LOT more than one.