Given that the United States used to be a colony of the United Kingdom, it should come as no surprise that many presidents in the history of the United States come from England. Specifically, they are of English descent. George Washington actually has some French blood in his background. Even though he is mostly English, there is some French ancestry as well. In addition, John Adams is also of English descent. Thomas Jefferson, who served as the third president of the United States, is also of English descent. Of note, both John Adams and Thomas Jefferson have some Welsh in their blood. Therefore, they are a bit different from George Washington, who was both English and French.
James Buchanan was unique when compared to the other presidents of the time. He actually did not have any English blood in his veins, but he does have some Scottish blood instead. Therefore, he is still from the United Kingdom. Abraham Lincoln is a mixture of English, Scottish, and Welsh descent. He led the United States to victory during the American Civil War. Ulysses S Grant, who took over after Andrew Johnson, also had a significant amount of English blood in his veins. He was also of Scottish descent. There is a saying among presidents of the United States, as many of them can trace their roots directly back to the United Kingdom.
This is certainly a matter of some debate, as it is subjective. Theodore Roosevelt is arguably the most diverse president in the history of the United States, as his blood is a mixture of multiple places. In essence, the melting pot of his ancestry represents the diversity of the United States as well. For example, he is a mixture of Dutch, English, French, and German ancestry. In addition, his blood can be traced to multiple parts of the United Kingdom as well. For example, he also has Welsh and Scottish ancestry as well. Of course, many people also know that Barack Obama has African blood in his veins. He can trace his roots back to Kenya, in addition to numerous other places. Examples include England, France, Germany, Switzerland, Wales, and Ireland.
Of course, the presidents of the United States have to have been born in the United States, but the overwhelming majority of presidents of the United States can trace their roots back to England. This is because the United States used to be a colony of the British Empire. That being said, there are a few presidents who do not necessarily have any English blood in their veins. Examples include John F Kennedy, who was Irish, Woodrow Wilson, who is Scottish, James Buchanan, who is Scottish, Martin Van Buren, who is Dutch, and James K Polk, who is Scottish.