Namesakes
Regan
(f) 
Fictional Characters from Plays and Musicals c. 1605 King Lear
Shakespearian Characters King Lear
Regan Harrison
(m) 1977-
Olympic Medalists 2000 swimming - 4x100 m medley relay (silver)
Regan MacNeil
(f)
Fictional Characters from Movies 1973 The Exorcist
Regan McLeod
(f)
Fictional Characters from Television 2001 McLeod's Daughters