Of the 45 presidents, 10 have a last name in common with another president. These names and the relationships (if any) are shown below. In addition, two presidents share a middle name with the last name of a prior president, Ronald Wilson Reagan and Bill Jefferson Clinton. For further information about the names of all the US presidents visit our home page
| Presidents with Shared Names | Relationship |
|---|---|
| John Adams and John Quincy Adams | father and son |
| William Henry Harrison and Benjamin Harrison | grandfather and grandson |
| Andrew Johnson and Lyndon Johnson | none, Andrew and Lyndon Johnson were not related |
| Theodore Roosevelt and Franklin D. Roosevelt | 5th cousins (Theodore Roosevelt was also the uncle of FDR's wife, Eleanor) |
| George Bush and George W. Bush | father and son |