Trivia: Who was the only U.S. President to never marry?
James Buchanan
Andrew Jackson
Millard Fillmore
James Monroe
The correct answer is James Buchanan
So why is this answer correct? : There may be some constitutional requirements for being elected President of the United States, but being married isn’t one of them. Still, every former President tied the knot except James Buchanan, who remained a lifelong bachelor.