Namesakes
American First Ladies:
1 first lady
Lucy Ware Hayes 1877-1881 
Fictional Characters from Books:
3 characters, 2 heroes
Lucy Steele 1811 Sense and Sensibility
Lucy Westenra 1897 Dracula
Lucy Pevensie 1950 The Lion, the Witch and the Wardrobe
Lucy 1990 Lucy
Lucy Sullivan 1996 Lucy Sullivan Is Getting Married
Fictional Characters from Movies:
1 character
Lucy 2002 I'm with Lucy
Fictional Characters from Song Titles:
6 characters
(character) Lucy 1967 Lucy in the Sky with Diamonds
(character) Lucy 1978 Almost Lucy
(character) Lucy Jordan 1979 The Ballad Of Lucy Jordan
(character) Lucy 2009 Lucy
(character) Lucy 2009 Lucy
(character) Lucy 2010 Lucy
Fictional Characters from Television:
8 characters
Lucy Ricardo 1951 I Love Lucy
Lucy Ewing 1978 Dallas
Lucy Knight 1994 ER
Lucy Weston 1994 Heartbreak High
Lucy Camden 1996 7th Heaven
Lucy Hatcher 1997 The Practice
Lucy Dotson 2002 Sue Thomas: F.B.Eye
Quinn Fabray (a.k.a. Lucy) 2009 Glee
Notable Actors and Entertainers:
9 actors, 2 presenters
Kate Jackson (a.k.a. Lucy) 1948-
Nigella Lawson (a.k.a. Lucy) 1960-
Davina McCall (a.k.a. Lucy) 1967-
Lucy Lawless 1968-
Lucy Liu 1968-
Lucy Russell 1972-
Lucy Punch 1977-
Lucy Hale 1989-
Lucy Dixon 1989-
Lucy Fry 1992-
Lucy Boynton 1994-
Notable Artists:
1 photographer
Claude Cahun (a.k.a. Lucy) 1894-1954
Notable Writers:
1 author
Lucy Maud Montgomery 1874-1942
Olympic Medalists:
2 gold
(gold) Lucy Morton 1924 swimming - 200 m breaststroke
(gold) Albina Osipowich (a.k.a. Lucy) 1928 swimming - 100 m freestyle; swimming - 4x100 m freestyle relay
Other Fictional Characters:
1 character
Lucy van Pelt 1952 comic strip
Saints:
6 saints, 3 blessed
Saint Lucy 283-304
Saint Lucy ?-300
Saint Lucia the Chaste (a.k.a. Lucy) ?-1420
Blessed Lucia Brocadelli of Narni (a.k.a. Lucy) 1476-1544
Blessed Lucy de Freitas ?-1622
Blessed Lucy Chakichi ?-1622
Saint Lucia Filippini (a.k.a. Lucy) 1672-1732
Saint Lucy Pak Hui-sun 1800-1839
Saint Lucy Yi Zhenmei 1815-1862