Namesakes
American First Ladies:
1 first lady
Dolley Madison 1809-1817 
American Presidents:
1 president
James Madison 1809-1817
Fictional Characters from Television:
1 character
Cody Madison 1989 Baywatch
Olympic Medalists:
1 gold
(gold) Helene Madison 1932 swimming - 100 m freestyle; swimming - 400 m freestyle; swimming - 4x100 m freestyle relay