Thank you, Laurie , for bringing this website to my attention. Mind you, just because the site is by a medical professional, errors can occur. What surprises me, for example, is that Jimmy Carter’s blood type wasn’t listed though it is public record and easy to find. Same thing with Eisenhower. Here is the one page showing blood types of Presidents: https://doctorzebra.com/prez/g_roster.htm Here are the highlights: JFK: AB+ (with a “?” attached) If not sure, why post it? Doesn’t his dog tag state O+? Ronald Reagan: O positive (Nancy was as well) (I previously posted about Ronald Reagan as newspapers reported his blood type after his assassination attempt in 1981) Both George and Barbara Bush are O-positive George W. Bush: … Continue reading Ronald and Nancy Reagan, George and Barbara Bush all had blood type O positive