Six presidents have lived into their 90s. The first one, John Adams, was the longest-lived president for nearly two centuries, until Ronald Reagan outlived him.
Our current oldest ex-president is Jimmy Carter at 95 years old.
Four presidents had no Vice President: John Tyler, Millard Fillmore, Andrew Johnson and Chester Arthur.
Sara Taylor, the daughter of President Zachary Taylor, married a future president and was the daughter of a president. She was the wife of Jefferson Davis, the future president of the Confederacy, but she died of malaria after being married only 3 months.
Our tallest president was Abraham Lincoln at 6 feet four inches.
Our shortest president was James Madison, at 5 feet and 4 inches and 100 pounds.