George Washington, the "Father of Our Nation," is also the father of American Foxhounds, with over 30 hounds listed in his journals.
Thomas Jefferson started a breeding program for Briards, a breed he discovered while serving as minister to France.
Theodore Roosevelt owned a Saint Bernard, a Pekingese, a Chesapeake Bay Retriever, a Manchester Terrier, and a Bull Terrier.
Franklin D. Roosevelt's Scottish Terrier, Fala, reportedly received more fan mail than many presidents.
John F. Kennedy owned a Welsh Terrier, an Irish Wolfhound, a German Shepherd Dog, an English Cocker Spaniel, and a Standard Poodle.
Richard Nixon owned a Cocker Spaniel named Checkers, a Yorkshire Terrier, a Poodle, and an Irish Setter.
Joe Biden and his wife, Dr. Jill Biden, brought their two German Shepherd Dogs, Champ and Major, to the White House in 2021.