don't think so, at least not directly of any sorts.
all human kinds are related somehow.
this is definitely that kind of relation too distant to account for.
EDIT: Actually they probably are. My mom's family are Buchanan's and we pretty much all trace our ancestry back to Scotland. I know President Buchanan was a Great Uncle to my family. (He didn't have any kids). So it might be a little stretch, but they are most likely related somehow.
Heck No completely different people
The are cousins by james'mothers side of the family
According to the IMDb, Pat Buchanan is 6'1".
Pat Buchanan was born on November 2, 1938.
Pat Buchanan was born on November 2, 1938.
Pat Buchanan sought the Presidency, but was never elected President.
Pat Buchanan has never been President of the United States.
Pat Buchanan is 79 years old (birthdate: November 2, 1938).
No.
15th president JAMES BUCHANAN
James Buchanan was a member of the Democratic Party.
President James Buchanan is buried at Woodward Hill Cemetery in Lancaster, PA . There is a James Buchanan Cemetery near Nashville. TN , which is named after a different James Buchanan.