A look at past elections shows that only four sitting House members have been on Democratic or Republican tickets since 1900, one of them a Speaker of the House.
1908 Rep. James Sherman of New York, Republican
President Taft and Vice President James S. Sherman stand during their inauguration parade. Sherman had previously served in the House from 1887 to 1903, with a two-year gap between 1891 and 1893.
1932 Speaker John Nance Garner of Texas, Democrat
Then Presidential candidate Franklin D. Roosevelt stands with John Nance Garner, his running mate, on Roosevelt's private train. He previously served as the 44th Speaker of the House.
1964 Rep. Bill Miller of New York, Republican
Senator Barry Goldwater, R-Arizona, right, republican presidential nominee, and his vice presidential running mate, Rep. William E. Miller of New York, appears together on Capitol Hill in Washington, August 14, 1964.
1984 Rep. Geraldine Ferraro of New York, Democrat
Geraldine Ferraro was a member of the House from 1979 to 1985.
2012 Rep. Paul Ryan of Wisconsin, Republican
Mitt Romney and vice presidential running mate Rep. Paul Ryan, R-Wis.
(AP Photo/Mary Altaffer)
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