Namesakes
Fictional Characters from Song Titles:
2 characters
(character) Kathleen 2009 Kathleen 
(character) Kathleen 2014 Kathleen
Fictional Characters from Television:
2 characters
Abby O'Neil (a.k.a. Kathleen) 1997 Dharma & Greg
Kathleen Topolsky 1999 Roswell
Notable Actors and Entertainers:
13 actors, 1 actor/comedian
Colleen Moore (a.k.a. Kathleen) 1899-1988
Kay Medford (a.k.a. Kathleen) 1919-1980
Kathleen Ryan 1922-1985
Kathleen Crowley 1929-2017
Kathy Bates 1948-
Kathleen Turner 1954-
Kathleen Quinlan 1954-
Kathy Griffin 1960-
Kate Walsh 1967-
Molly Ringwald (a.k.a. Kathleen) 1968-
Renée Zellweger (a.k.a. Kathleen) 1969-
Emily Mortimer (a.k.a. Kathleen) 1971-
Kathleen Robertson 1973-
Kathleen Rose Perkins 1974-
Notable Athletes:
1 skating, 1 swimming
(skating) Bonnie Blair (a.k.a. Kathleen) 1964-
(swimming) Katie Ledecky 1997-
Notable Filmmakers:
1 producer
Kathleen Kennedy 1953-
Notable Musicians:
2 singers
Nina Simone (a.k.a. Kathleen) 1933-2003
Kathleen Aerts 1978-
Notable Scientists and Inventors:
1 anthropologist
Kathy Reichs 1948-
Notable Writers:
4 authors
Katherine Mansfield (a.k.a. Kathleen) 1888-1923
Kathleen E. Woodiwiss 1939-2007
Kathy Reichs 1948-
J. K. Rowling (a.k.a. Kathleen) 1965-
Olympic Medalists:
3 gold, 2 bronze, 2 bronze/gold, 1 bronze/silver, 1 silver
(bronze) Kathleen Russell 1928 swimming - 4x100 m freestyle relay
(silver) Audrey Brown (a.k.a. Kathleen) 1936 4x100 m relay
(bronze/gold) Kathy Ellis 1964 swimming - 100 m butterfly; swimming - 100 m freestyle; swimming - 4x100 m freestyle relay; swimming - 4x100 m medley relay
(bronze/silver) Kathy Hammond 1972 400 m; 4x400 m relay
(bronze/gold) Bonnie Blair (a.k.a. Kathleen) 1988; 1992; 1994 speed skating
(gold) Kathleen Nord 1988 swimming - 200 m butterfly
(gold) Amanda Borden (a.k.a. Kathleen) 1996 artistic gymnastics
(bronze) Kathleen MacLeod 2012 basketball
(gold) Katie Ledecky 2012 swimming
Oscar Award Winners:
2 actresses
(actress) Kathy Bates 1991 Misery
(actress) Renée Zellweger (a.k.a. Kathleen) 2004; 2020 Cold Mountain; Judy
Rock and Roll Hall-of-Famers:
1 musician
Nina Simone (a.k.a. Kathleen) 2018