Is there presidential blood flowing through your veins? If your ancestors have been in the United States for more than 100 years, your chances are pretty good - especially if you have New England, Quaker or Southern ancestry. Presidents in the family tree actually aren't as rare as many people think - it is estimated that more than 100 million Americans can claim a genetic link to one of the 42 U.S. presidents. Learn how to trace your family tree back to the White House with this step by step guide to researching presidents in the family tree.

For even more President's Day fun, check out these Presidential Surname Meanings and Origins to learn which U.S. President's name translates to "great warrior" and whose means "ugly head," or see if there is a U.S. President buried near you.