Ancestry of US presidents, approximately up to ~10 generations in the past. 0° 39 13 12 Ancestry of US Presidents: List of countries and examples: England: 39 Scotland: 22 Abraham Lincoln Jimmy Carter James Monroe Woodrow Wilson Ronald Reagan Northern Ireland: 13 Thomas Jefferson Wales: 19 Millard Fillmore William Howard Taft Andrew Jackson George Washington Ireland: 13 James Buchanan John F. Kennedy Germany: 12 William McKinley George H.W. Bush France: 13 Joe Biden Ulysses S. Grant Calvin Coolidge Netherlands: 11 Andrew Johnson Dwight D. Eisenhower Donald Trump Martin van Buren Switzerland: 5 Theodore Roosevelt Denmark: 4 Franklin D. Roosevelt Warren G. Harding Herbert Hoover Harry Truman Barack Obama James Madison Zachary Taylor Lyndon B. Johnson Czechia: Estonia: George W. Bush Franklin Delano Roosevelt Kenya: Barack Obama Spain: Poland: Gerald Ford Sweden: Herbert Hoover Lyndon B. Johnson Kaynak