James Buchanan (1857 - 1861), the nation's 15th President, was a life-long bachelor.|


BONUS QUESTION:

Who is the only U.S. President to have been married in the White House?

Answer:

President Grover Cleveland, a 47-year-old bachelor upon his first inauguration in 1885, was married in a White House ceremony on June 2, 1886 to 21-year-old Frances Folsom.  He was the only President married in the White House and the only President to have been elected to two non-consecutive terms.