Who are the U.S. presidents that were not ever married?
James Buchanan.
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Calvin
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Andrew
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, Calvin Cooli
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, John
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge
Calvin Coolidge, Andrew Johnson, Calvin Coolidge, Calvin Coolid
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, James
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Franklin
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, Andrew Johnson,
Calvin Coolidge, Calvin Coolidge, Andrew Johnson, Calvin Coolid
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, William
William Henry Harrison, Rutherford B. Hayes, Calvin Coolidge,
Abraham Lincoln and Rutherford B. Hayes
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, Calvin Cooli
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, Calvin Cool
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Calvin
Franklin D. Roosevelt, Andrew Johnson, Calvin Coolidge, Calvin Coolidge
William Henry Harrison, Calvin Coolidge, Calvin Coolidge
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, Andrew Johnson,
Calvin Coolidge, Calvin Coolidge
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Andrew
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes, Calvin Cool
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, John
William Henry Harrison, Rutherford B. Hayes, Rutherford B. Hay
William Henry Harrison, Rutherford B. Hayes, Ulysses S.
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge
Calvin Coolidge, Calvin Coolidge, William Henry Harrison
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, Andrew Johnson
Franklin D. Roosevelt, Andrew Johnson, Andrew Johnson, Andrew Johnson, Andrew Johnson, Andrew Johnson
William Henry Harrison, Rutherford B. Hayes, Calvin Coolidge,
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, John Tyler,
William Henry Harrison, Rutherford B. Hayes, Calvin Coolidge and
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, James Madison,
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, James Madison
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, John Adams,
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, Benjamin Harrison,
Calvin Coolidge
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, John Tyler
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes, Andrew Johnson
Rutherford B. Hayes
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, Andrew Jackson
William Henry Harrison, Rutherford B. Hayes, Calvin Coolidge
William Henry Harrison, Rutherford B. Hayes
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, Calvin Cooli
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Calvin
Franklin D. Roosevelt, Andrew Johnson, Calvin Coolidge, Calvin Coolidge
William Henry Harrison, Calvin Coolidge, Calvin Coolidge
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge
William Henry Harrison
Woodrow Wilson, Ulysses S. Grant, Rutherford B. Haye
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Andrew
Rutherford B. Hayes and Rutherford B. Hayes
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, John
Woodrow Wilson, Rutherford B. Hayes, Calvin Coolidge,
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, Calvin Cool
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge
Calvin Coolidge
Woodrow Wilson, Rutherford B. Hayes, Ulysses S.
Theodore Roosevelt, Rutherford B. Hayes, William Howard Taft
Woodrow Wilson, Ulysses S. Grant, Ulysses S. Grant
William Henry Harrison, Calvin Coolidge, Calvin Coolidge, Andrew Johnson,
William Henry Harrison, Rutherford B. Hayes, Calvin Coolidge and
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, James
Calvin Coolidge, Calvin Coolidge
William Henry Harrison, Calvin Coolidge
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Franklin
Franklin D. Roosevelt, Andrew Johnson, Calvin Coolidge, Lyndon B.
William Henry Harrison, Rutherford B. Hayes
William Henry Harrison, Rutherford B. Hayes, Calvin Coolidge
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Benjamin
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, George
Calvin Coolidge, Calvin Coolidge, Calvin Coolidge, Ly
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes, Calvin Cool
Rutherford B. Hayes & Rutherford B. Hayes
Theodore Roosevelt, Rutherford B. Hayes
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, Benjamin Harrison
William Henry Harrison, Rutherford B. Hayes, Andrew Johnson
William Henry Harrison
William Henry Harrison, Rutherford B. Hayes, Abraham Lincoln
Theodore Roosevelt, Rutherford B. Hayes, Calvin Coolidge
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, Andrew Johnson
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, James Madison
Theodore Roosevelt, Rutherford B. Hayes, Rutherford B.
Calvin Coolidge, Calvin Coolidge, James Madison
Calvin Coolidge, Calvin Coolidge, William Henry Harrison
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, John Adams
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, John Tyler
William Henry Harrison, Rutherford B. Hayes, William Henry Harrison
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes, Andrew Johnson
William Henry Harrison, Calvin Coolidge, Calvin Coolidge
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge
William Henry Harrison, Rutherford B. Hayes, Rutherford B. Davis
Franklin D. Roosevelt
William Henry Harrison, Rutherford B. Hayes, Rutherford B. Cleveland
Calvin Coolidge
William Henry Harrison, Rutherford B. Hayes, Andrew Johnson, Rutherford
George Washington
William Henry Harrison, Rutherford B. Hayes, William Henry Harrison, Calvin Cool
Woodrow Wilson, Rutherford B. Hayes, Calvin Coolidge and
William Henry Harrison, Calvin Coolidge
Calvin Coolidge, Calvin Coolidge
William Henry Harrison, Rutherford B. Hayes, Calvin Coolidge 
Woodrow Wilson, Rutherford B. Hayes, Calvin Coolidge
Abraham Lincoln and Rutherford B. Hayes.
William Henry Harrison, Rutherford B. Hayes, Rutherford B. Hard
Calvin Coolidge, Calvin Coolidge, George Washington
Woodrow Wilson, Rutherford B. Hayes, Calvin Coolidge,
Millard Fillmore, Rutherford B. Hayes, Ulysses S
William Henry Harrison
William Henry Harrison, Rutherford B. Hayes, Andrew Johnson
William Henry Harrison, Rutherford B. Hayes, Abraham Lincoln
Franklin D. Roosevelt, Andrew Johnson, Calvin Coolidge, Calvin Coolidge
Harry S. Truman, Rutherford B. Hayes, Calvin Coolid
Rutherford B. Hayes and Calvin Coolidge
Harry S. Truman, Rutherford B. Hayes
Harry S. Truman, Rutherford B. Hayes and Rutherford B
William Henry Harrison, Rutherford B. Hayes, John Tyler
William Henry Harrison, Rutherford B. Hayes, James Madison
Woodrow Wilson, Rutherford B. Hayes
Woodrow Wilson, Rutherford B. Hayes, Franklin D. Roosevelt, Andrew
Woodrow Wilson, Ulysses S. Grant, William Howard Taft
Calvin Coolidge, Calvin Coolidge, James Madison
William Henry Harrison, Rutherford B. Hayes, William Henry Harrison
George Washington
Theodore Roosevelt, Rutherford B. Hayes, William Howard Taft
Calvin Coolidge, Calvin Coolidge, Andrew Johnson
Calvin Coolidge, Calvin Coolidge, Benjamin Harrison
Harry S. Truman, Rutherford B. Hayes and Calvin Coolid
Theodore Roosevelt, Rutherford B. Hayes, Abraham Lincoln
Theodore Roosevelt, Rutherford B. Hayes, William Henry Harrison
Calvin Coolidge
Calvin Coolidge, Calvin Coolidge, John Tyler
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes
Millard Fillmore, Rutherford B. Hayes
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, Calvin Cool
Woodrow Wilson, Rutherford B. Hayes, Franklin D. Roosevelt, Calvin
Franklin D. Roosevelt
William Henry Harrison
Harry S. Truman, Rutherford B. Hayes and William Howard Taf
Theodore Roosevelt, Rutherford B. Hayes, Richard Nixon
George Washington Dwight Eisenhower & Rutherford B. Hayes
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes, Calvin Cool
Woodrow Wilson, Rutherford B. Hayes, Franklin D. Roosevelt
Woodrow Wilson, Rutherford B. Hayes, Franklin D. Roosevelt, Benjamin
Theodore Roosevelt, Rutherford B. Hayes
Woodrow Wilson, Rutherford B. Hayes, Calvin Coolidge 
Theodore Roosevelt, Rutherford B. Hayes, Benjamin Harrison
Woodrow Wilson, Ulysses S. Grant, William Howard Taft, Andrew
Woodrow Wilson, Rutherford B. Hayes, Franklin D. Roosevelt, John
William Henry Harrison, Calvin Coolidge
Theodore Roosevelt, Rutherford B. Hayes, Calvin Coolidge
Franklin D. Roosevelt, Calvin Coolidge
Calvin Coolidge, Calvin Coolidge
Woodrow Wilson, Rutherford B. Hayes, Franklin D. Roosevelt, William
Woodrow Wilson, Ulysses S. Grant, Andrew Johnson and Rutherford B
Theodore Roosevelt, Rutherford B. Hayes, James Madison
Woodrow Wilson, Rutherford B. Hayes, Andrew Johnson, Rutherford
Millard Fillmore, Rutherford B. Hayes, William Howard Taft
Rutherford B. Hayes and Rutherford B. Hayes.
Theodore Roosevelt, Rutherford B. Hayes, Rutherford B.
Millard Fillmore, Rutherford B. Hayes, Calvin Coolidge
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes, James Madison
Woodrow Wilson, Ulysses S. Grant, Calvin Coolidge, Calvin
Woodrow Wilson, Rutherford B. Hayes, Calvin Coolidge and
George Washington
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, James Madison
Woodrow Wilson, Ulysses S. Grant, William Howard Taft, Benjamin
Woodrow Wilson, Rutherford B. Hayes, Calvin Coolidge
Woodrow Wilson, Ulysses S. Grant, William Howard Taft, William
Woodrow Wilson, Ulysses S. Grant, William Howard Taft, Calvin
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, John Adams
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, John Tyler
Harry S. Truman, Rutherford B. Hayes and William Henry Harrison
Franklin D. Roosevelt, Andrew Johnson, Rutherford B. Hayes, Andrew Johnson
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge
Franklin D. Roosevelt, Andrew Johnson, Calvin Coolidge
Rutherford B. Hayes and William Henry Harrison
Theodore Roosevelt, Rutherford B. Hayes, John Tyler
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge, Andrew Johnson
Franklin D. Roosevelt, Calvin Coolidge, Calvin Coolidge Jr.,
Woodrow Wilson, Rutherford B. Hayes, Andrew Johnson
Millard Fillmore, Rutherford B. Hayes, Rutherford B.
Woodrow Wilson, Rutherford B. Hayes, Benjamin Harrison
Woodrow Wilson, Rutherford B. Hayes, Abraham Lincoln
William Henry Harrison, Andrew Johnson, Andrew Johnson
Woodrow Wilson, Ulysses S. Grant, Franklin D. Roosevelt
Calvin Coolidge, William Henry Harrison
Theodore Roosevelt, Rutherford B. Hayes, William Henry Harrison &
Woodrow Wilson, Rutherford B. Hayes, James Madison
Rutherford B. Hayes and Rutherford B. Harding
Woodrow Wilson, William Henry Harrison, Calvin Coolidge
Theodore Roosevelt, Rutherford B. Hayes, William Henry Harrison, Andrew
Woodrow Wilson, Rutherford B. Hayes, John Tyler
Woodrow Wilson, Rutherford B. Hayes, William Henry Harrison
Calvin Coolidge
Rutherford B. Hayes & Rutherford B. Hayes 
Theodore Roosevelt, Rutherford B. Hayes, William Henry Harrison, Richard
Woodrow Wilson, Ulysses S. Grant, Rutherford B. Haye