Namesakes
Fictional Characters from Movies:
1 hero
Billie Jean Davy 1985 The Legend of Billie Jean 
Fictional Characters from Song Titles:
1 character
(character) Billy Davy 1997 Billy Davy's Daughter
Notable Scientists and Inventors:
1 chemist
Humphry Davy 1778-1829
Olympic Medalists:
1 bronze
(bronze) Nadia Davy 2004 4x400 m relay
Saints:
1 blessed
Blessed John Davy ?-1537