How many last names were shared by us presidents?

Answer 1

There were two Adams (John and John Quincy, father and son), two Harrisons (William and Benjamin, grandfather and grandson), two Johnsons (Andrew and Lyndon, no relation), two Roosevelts (Theodore and Franklin, distant cousins), and two Bushes (George and George W., father and son).

Answer 2

William Henry Harrison and Benjamin Harrison John Adama and John Quincey Adams Andrew Johnson and Lyndon B. Johnson George Bush and George W. Bush Theodore Roosevelt and Franklin Roosevelt

Answer 3

the Johnsons

Answer 4

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Answer 5

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