Who was the Vice-President of the United States in 1861?

John C. Breckinridge (born January 16, 1821 in Lexington, Kentucky; died May 17, 1875 in Lexington, Kentucky) succeeded William R. King as the fourteenth Vice-President of the United States, serving between March 4, 1857 and March 4, 1861.

Following the end of John C. Breckinridge's term as Vice-President, Hannibal Hamlin (born August 27, 1809 in Paris, Maine; died July 4, 1891 in Bangor, Maine) served as the fifteenth Vice-President of the United States, serving between March 4, 1861 and March 4, 1865.