Namesakes
Fictional Characters from Television:
1 character, 1 hero
Piper Halliwell 1998 Charmed 
Piper Chapman 2013 Orange Is the New Black
Notable Actors and Entertainers:
3 actors
Piper Laurie 1932-
Piper Perabo 1976-
Piper Curda 1997-
Notable Athletes:
1 skating
(skating) Piper Gilles 1992-