Elizabeth Speer (Buchanan’s mother): Born on 17 Mar 1767 in Adams County, Pennsylvania. Elizabeth Speer Buchanan was made a U.S. citizen upon founding of the United States of America. Therefore, Buchanan’s mother was a U.S. citizen at the time of his birth.
Andrew Jackson and both parents ‘grandfathered’ under Article 1, Section 2, clause 5 (’presidential eligibility’) because born ‘jus soli’ prior to adoption of the U.S. Constitution.
Jessie Janet Woodrow (b. 1826 in England) was a naturalized U.S. citizen upon marriage to Wilson’s father, Joseph Ruggles Wilson, born in Ohio in 1822. Her citizenship pre-dates Wilson’s birth.
BARACK HUSSEIN OBAMA’S FATHER WAS A KENYAN NATIONAL IN THE UNITED STATES ON A TEMPORARY STUDENT VISA - UNDISPUTED FACT AND IN VIOLATION OF THE NATURAL BORN CITIZENSHIP REQUIREMENT FOR U.S. PRESIDENTS!
Hulda Minthorn Hoover (Canadian citizen) married Jesse Hoover in 1870. The marriage made her a naturalized U.S. citizen. Herbert Hoover was born in California in 1874.