Name the two presidents born with different names?

No two U.S. Presidents to date have been born in the same month and year. Only one pair of U.S. Presidents were born less than a month apart: George W. Bush was born 22 days after Donald Trump.

Nine pairs of U.S. Presidents to date have been born within a year of each other. In order, they are...

1. 22 days - Donald Trump (June 14, 1946) & George W. Bush (July 6, 1946)
   
2. 44 days - George W. Bush (July 6, 1946) & Bill Clinton (August 19, 1946)
3. 45 days - Andrew Johnson (December 29, 1808) & Abraham Lincoln (February 12, 1809)
4. 66 days - Donald Trump (June 14, 1946) & Bill Clinton (August 19, 1946)
   
5. 111 days - George H.W. Bush (June 12, 1924) & Jimmy Carter (October 1, 1924)
   
6. 118 days - Andrew Jackson (March 15, 1767) & John Quincy Adams (July 11, 1767)
7. 160 days - Ulysses S. Grant (April 27, 1822) & Rutherford B. Hayes (October 4, 1822)
8. 186 days - Richard Nixon (January 9, 1913) & Gerald Ford (July 14, 1913)
   
9. 261 days - Woodrow Wilson (December 28, 1856) & William H. Taft (September 15, 1857)