Why did all of these Democrats switch to the GOP from 1960 to 1990?
early 1960s – Arthur Ravenel, Jr. of South Carolina, before running for the South Carolina Senate
1960s – James F. Byrnes of South Carolina, after endorsing many Republicans in the 1950s and 1960s
1961 – Charlton Lyons to run for Louisiana's 4th congressional district seat
1961 - Billy J. Guin of Shreveport, to support Charlton Lyons for Congress
1962 - Dave Treen, later became U.S. Representative for Louisiana (1973-1980) and Governor of Louisiana (1980-1984)
1962 – Jack M. Cox, to run for Governor of Texas; losing to later Republican convert John B. Connally, Jr.
1962 – James D. Martin, to run for the U.S. Senate from Alabama
1962 – Ronald Reagan of California, while an actor and former Screen Actors Guild president 
1962 – Floyd Spence, while a South Carolina state Representative; ran for the House of Representatives as a Republican and lost, later elected to the state senate before making a successful run for the House
1964 – Strom Thurmond, while U.S. senator from South Carolina switched to the Republican party on September 16, 1964.
1964 - Howard Callaway, in order to run successfully as U.S. Representative from Georgia.
1965 – Albert Watson, while U.S. Representative from South Carolina (resigned before switching parties and re-won his seat in a special election)
1965 – Arlen Specter of Pennsylvania, while running for Philadelphia District Attorney; in 2009, he switched back to Democrat .
1965 – Roderick Miller (LA) after unsuccessfully run for judgeship in 1964
1966 – Thomas A. Wofford, before write-in campaign for State Senator from South Carolina
1966 – Len E. Blaylock, to support Winthrop Rockefeller for Governor of Arkansas
1966 – Jerry Thomasson of Arkansas, switched from Democrat to Republican while an state Representative to run for Attorney General of Arkansas
1966 – Henry Grover of Texas, switched from Democrat to Republican while a state Representative before successfully running for Texas Senate.
1967 – William E. Dannemeyer, while serving as a superior court judge before returning to the California State Assembly
1967 – Allison Kolb of Louisiana, while seeking a political comeback running unsuccessfully for state Treasurer, lost 1956 Democratic primary for state auditor
1968 – William Reynolds Archer, Jr., while a member of the Texas House of Representatives
1968 – Will Wilson, former Texas Attorney General switched to support Richard M. Nixon in the 1968 presidential election
1968 - Comptroller General of Georgia James L. Bentley switched to Republican.
 1970s1970 – Jesse Helms, two years before running for the U.S. Senate from North Carolina
1970 – A. C. Clemons, while serving in the Louisiana Senate
1970 – William Oswald Mills, before running for U.S. Representative from Maryland
1970 - Bob Barr, was U.S. Representative from Georgia from 1995-2003.
1971 – Tillie K. Fowler
1972 – Robert R. Neall, before serving in the Maryland House of Delegates. He switched back to Democrat in 1999
1972 – Trent Lott, prior to running for the House of Representatives from Mississippi. He was administrative assistant to Rules Committee chairman William Colmer, who endorsed Lott as his successor despite Lott's party switch.
1973 – Mills E. Godwin Jr., Democratic governor of Virginia from 1966 to 1970, moved to the Republican Party and was reelected, serving as governor again from 1974 to 1978.
1973 – Michele Bachmann, US Representative from Minnesota. She switched parties in her senior year of college
1973 – Samuel I. Hayakawa, three years before running for the U.S. Senate from California
1973 – John Connally, not then in office; six years before he sought the Republican presidential nomination
1975 – Elizabeth Dole, while employed by the Federal Trade Commission
1975 – John Jarman, while U.S. Representative from Oklahoma. He had served for 24 years in the House and said he was fed up with the Democratic party, which had been "taken over by liberals". He retired in 1976.
1977 – A. J. McNamara, while serving in the Louisiana House
1977 – Lane Carson while serving in the Louisiana House
1978 – Robert G. Jones, after leaving the Louisiana Senate
1978 – Chris Smith, managed the unsuccessful 1976 New Jersey Senate primary campaign of Democrat, Steve Foley, switch parties to run for U.S. Rep. in 1978 (lost)/ran again 1980 (Won) still holds office .
late 1970s – Thomas Bliley, after being Mayor of Richmond, Virginia, and before election to U.S. House of Representatives
late 1970s – Michael F. "Mike" Thompson, while serving in the Louisiana House
1979 – Charles Grisbaum, Jr., member of the Louisiana House from Jefferson Parish
1979 – Ed Scogin, member of the Louisiana House from St. Tammany Parish
 1980s1980s – S. S. DeWitt, after having left the Louisiana House of Representatives
1980 – Sam Yorty, While trying to make political comeback bid for the Republican n
1980 – Mac Collins, while county commissioner
1980 – Jim Donelon, to run for Congress in a special election
1980 – Jesse Monroe Knowles, while serving near the end of his term in the Louisiana Senate
1980 – Frank D. White, to run for governor of Arkansas
1980s – J.C. "Sonny" Gilbert, after having left office as a member of both houses of the Louisiana legislature
1981 – Bob Stump, while U.S. Representative from Arizona
1981 – Eugene Atkinson, while U.S. Representative from Pennsylvania
1982 – Condoleezza Rice, changed to Republican cites influence of her father, who switched from Democrat to Republican after being denied voting registration by the Democratic registrar (Al) 1952.
1983 – Jimmy Fitzmorris, to attempt to regain the office of Lieutenant Governor of Louisiana
1983 – Phil Gramm, while U.S. Representative from Texas (resigned before switching parties and re
1983 – Bob Martinez, while mayor of Tampa, Florida
1984 – V.J. Bella, while serving in the Louisiana House of Representatives
1984 – Andy Ireland, while U.S. Representative from Florida
1984 – H. Edward Knox; became an independent in 2005
1985 – Jeane Kirkpatrick, while U.S. Ambassador to the United Nations 
1985 – Edward J. King, former governor of Massachusetts
1985 – Dexter Lehtinen, while serving in the Florida House of Representatives
1985 – Kent Hance, former U.S. Representative, after losing the Democratic U.S. Senate nomination in Texas
1985 – Jock Scott, near the end of his tenure in the Louisiana House of Representatives
1985 – Carole Keeton Strayhorn, former Texas Comptroller of Public Accounts (she ran for Texas Governor as an independent in 2006)
1986 – William Bennett, while U.S. Secretary of Education
1986 – Richard Baker,
1986 – Charles T. Canady, while serving in the Florida House of Representatives
1986 – Frank Rizzo, before running for Mayor of Philadelphia in 1987
1986 – James David Santini, before running for U.S. Senator from Nevada
1987 – Paul Hardy, before running for Lieutenant Governor of Louisiana
1987 – Roy Moore, prior to being appointed to an Alabama circuit judgeship
1988 – Jim McCrery, while running for U.S. Representative from Louisiana. He had been a staff member for Buddy Roemer, but switched parties before the special election after Roemer was elected governor.
1988 – David Duke, prior for running for a seat in the lower house of the Louisiana state legislature
Mike Johanns, was The Governor of Nebraska (1999-2005), United States Secretary of Agriculture (2005-2007) and in 2009 became the United Staes Senator for Nebraska.
1989 – Bill Grant, while U.S. Representative from Florida
1989 – Tommy F. Robinson, while U.S. Representative from Arkansas
1989 – Rick Perry, before running for Agriculture Commissioner of Texas
1989 – W. Fox McKeithen, while Louisiana Secretary of State