Three US president's last names have started with A. John Adams, John Quincy Adams, and Chester A. Arthur.
=Franklin a. peirce=
Two presidents: James Madison and James Monroe.
Richard M. Nixon is the only US President with a last name that begins with the letter N.
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8 presidents
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Barrack H. Obama is the current U.S. president. He is the only U.S. president with a name that starts with the letter O.
The last five presidents have signed more than 100 executive orders.
5
24,346,229 as of the last count of 2011
0. That includes First Names also.
Two: George and George W.