They were Filmore, Pierce, and Buchanan.
3
3
3
Millard Fillmore and Benjamin Harrison both took second wives after they left office as President.
well there was the fatty and so that's 3.
White House Office of Management and Budget is the office that sends the presidents budget to Congress.
There were six Presidents who were unwed when they entered office. The only President to never marry was James Buchanan. Grover Cleveland married for the first time while he was in office. Thomas Jefferson, Andrew Jackson, Martin Van Buren, and Chester Arthur did not have wives while in office because of previous death.
The Oval Office
The President's office is called the Oval Office.
No, there is no rule about that. As it turns out, most American presidents did get married, and usually long before they were elected to the presidency. But several were widowers, several married while in office, and at least one-- James Buchanan (the 15th president)-- never married at all.
All but Jefferson, VanBuren, Buchanan, Cleveland, and Arthur were married when they took office. Jefferson, VanBure and Arthur were widowers. Jackson's wife was alive when he was elected but died before he took office. Arthur was never elected president.