Namesakes
American First Ladies:
3 first ladies
Nellie Taft (a.k.a. Louise) 1909-1913 
Ellen Wilson (a.k.a. Louise) 1913-1914
Lou Hoover 1929-1933
Belgian Prime Ministers:
1 prime minister
Guy Verhofstadt (a.k.a. Louise) 1999-2008
Emmy Award Winners:
1 actress
(actress) Kirstie Alley (a.k.a. Louise) 1991 Cheers
Fictional Characters from Books:
1 character
Scout Finch (a.k.a. Louise) 1960 To Kill a Mockingbird
Fictional Characters from Movies:
1 character, 1 hero
Ellen Ripley (a.k.a. Louise) 1979 Alien
Claire McLeod (a.k.a. Louise) 1996 McLeod's Daughters
Fictional Characters from Plays and Musicals:
1 character
Louise Bigelow 1945 Carousel
Fictional Characters from Television:
12 characters
Michelle Stevens (a.k.a. Louise) 1978 Dallas
Ilene Markham (a.k.a. Louise) 1991 Home Improvement
Libby Kelly (a.k.a. Louise) 1993 Grace Under Fire
Amy MacDougall Barone (a.k.a. Louise) 1996 Everybody Loves Raymond
Debra Barone (a.k.a. Louise) 1996 Everybody Loves Raymond
Andell Wilkerson (a.k.a. Louise) 1996; 1999 Moesha; The Parkers
Louise Grant 2000 Gilmore Girls
Claire McLeod (a.k.a. Louise) 2001 McLeod's Daughters
Allison DuBois (a.k.a. Louise) 2005 Medium
Gretchen Morgan (a.k.a. Louise) 2005 Prison Break
Audrey Raines (a.k.a. Louise) 2001; 2014 24; 24: Live Another Day
Kimmy Gibbler (a.k.a. Louise) 1987; 2016 Full House; Fuller House
Hall-of-Famers:
1 baseball
(baseball) Effa Manley (a.k.a. Louise) 2006
Nobel Prize Winners:
1 literature
(literature) Louise Glück 2020
Notable Actors and Entertainers:
24 actors, 2 actor/models, 2 presenters, 1 actor/dancer, 1 entertainer
Loie Fuller 1862-1928
Esther Ralston (a.k.a. Louise) 1902-1994
Louise Brooks 1906-1985
Gypsy Rose Lee (a.k.a. Louise) 1911-1970
Cicely Tyson (a.k.a. Louise) 1924-2021
Elmarie Wendel (a.k.a. Louise) 1928-2018
June Squibb (a.k.a. Louise) 1929-
Louise Fletcher 1934-2022
Irène Tunc (a.k.a. Louise) 1934-1972
Louise Sorel 1940-
Sondra Locke (a.k.a. Louise) 1944-2018
Andrea Martin (a.k.a. Louise) 1947-
Kirstie Alley (a.k.a. Louise) 1951-2022
Loes Luca 1953-
Katey Sagal (a.k.a. Louise) 1954-
Patty Brard (a.k.a. Louise) 1955-
Amy Sedaris (a.k.a. Louise) 1961-
Mary-Louise Parker 1964-
Thea Gill (a.k.a. Louise) 1970-
Louise Lombard 1970-
Anne Dudek (a.k.a. Louise) 1975-
Sarah Chalke (a.k.a. Louise) 1976-
Amy Acker (a.k.a. Louise) 1976-
Caroline Flack (a.k.a. Louise) 1979-2020
Andrea Riseborough (a.k.a. Louise) 1981-
Gemma Atkinson (a.k.a. Louise) 1984-
Jenna Coleman (a.k.a. Louise) 1986-
Cara Theobold (a.k.a. Louise) 1990-
Danielle Macdonald (a.k.a. Louise) 1991-
Lennon Stella (a.k.a. Louise) 1999-
Notable Artists:
1 sculptor/painter
Louise Bourgeois 1911-2010
Notable Athletes:
1 basketball
(basketball) Tully Bevilaqua (a.k.a. Louise) 1972-
Notable Filmmakers:
1 director
Sam Taylor-Johnson (a.k.a. Louise) 1967-
Notable Musicians:
6 singers, 3 musicians
Adelaide Hall (a.k.a. Louise) 1901-1993
Aretha Franklin (a.k.a. Louise) 1942-2018
Anneke Grönloh (a.k.a. Louise) 1942-2018
Patti LaBelle (a.k.a. Louise) 1944-
Patty Brard (a.k.a. Louise) 1955-
Madonna (a.k.a. Louise) 1958-
Jackie Fox (a.k.a. Louise) 1959-
Gabrielle (a.k.a. Louise) 1969-
Lennon Stella (a.k.a. Louise) 1999-
Notable Politicians and Statespeople:
2 politicians
Sarah Palin (a.k.a. Louise) 1964-
Marianne Thieme (a.k.a. Louise) 1972-
Notable Writers:
2 authors, 2 poets, 1 poet/author
Louise Bogan 1897-1970
Margery Allingham (a.k.a. Louise) 1904-1966
Louise Glück 1943-
Louise Erdrich 1954-
A. L. Kennedy (a.k.a. Louise) 1965-
Olympic Medalists:
7 gold, 5 bronze, 5 silver, 2 silver/gold, 1 bronze/gold, 1 bronze/silver, 1 silver/bronze
(silver) Louise Otto 1912 swimming - 4x100 m freestyle relay
(gold) Mary Carew (a.k.a. Louise) 1932 4x100 m relay
(silver/bronze) Katherine Rawls (a.k.a. Louise) 1932; 1936 diving - springboard; swimming - 4x100 m freestyle relay
(bronze) Lily Carlstedt (a.k.a. Louise) 1948 javelin throw
(gold) Marie Corridon (a.k.a. Louise) 1948 swimming - 4x100 m freestyle relay
(bronze/silver) Marie-Louise Linssen-Vaessen 1948; 1952 swimming - 100 m freestyle; swimming - 4x100 m freestyle relay
(bronze) Marilee Stepan (a.k.a. Louise) 1952 swimming - 4x100 m freestyle relay
(gold) Mildred McDaniel (a.k.a. Louise) 1956 high jump
(bronze/gold) Jane Barkman (a.k.a. Louise) 1968; 1972 swimming - 200 m freestyle; swimming - 4x100 m freestyle relay
(gold) Melissa Belote (a.k.a. Louise) 1972 swimming - 100 m backstroke; swimming - 200 m backstroke; swimming - 4x100 m medley relay
(silver) Linda Jezek (a.k.a. Louise) 1976 swimming - 4x100 m medley relay
(gold) Louise Ritter 1988 high jump
(gold) Cindy Brown (a.k.a. Louise) 1988 basketball
(silver) Louise Currey 1996 javelin throw
(bronze) Louise Jöhncke 2000 swimming - 4x100 m freestyle relay
(silver) Tanith Belbin (a.k.a. Louise) 2006 figure skating
(silver) Tully Bevilaqua (a.k.a. Louise) 2008 basketball
(bronze) Beth Storry (a.k.a. Louise) 2012 field hockey
(bronze) Kate Richardson-Walsh (a.k.a. Louise) 2012 field hockey
(silver/gold) Victoria Pendleton (a.k.a. Louise) 2008; 2012 cycling - track
(silver/gold) Kami Craig (a.k.a. Louise) 2008; 2012 water polo
(gold) Jamie Anderson (a.k.a. Louise) 2014 snowboarding
Oscar Award Winners:
1 actress
(actress) Louise Fletcher 1976 One Flew Over the Cuckoo's Nest
Other Leaders:
1 president
President Marie-Louise Coleiro Preca 2014- Malta
Other Royalty:
7 princesses, 1 queen
Paulina of Orange-Nassau (a.k.a. Louise) 1800-1806 Netherlands
Marianne of the Netherlands (a.k.a. Louise) 1815-1883 Netherlands
Sophie of the Netherlands (a.k.a. Louise) 1824-1897 Netherlands
Luise of Prussia (a.k.a. Louise) 1838-1923 Prussia
Viktoria Luise of Prussia (a.k.a. Louise) 1892-1980 Prussia
Juliana of the Netherlands (a.k.a. Louise) 1948-1980 Netherlands
Anne, Princess Royal (a.k.a. Louise) 1950- United Kingdom
Märtha Louise of Norway 1971- Norway
Pulitzer Award Winners:
1 literature
(literature) Louise Erdrich 2021 The Night Watchman
Rock and Roll Hall-of-Famers:
2 musicians
Aretha Franklin (a.k.a. Louise) 1987
Madonna (a.k.a. Louise) 2008
Saints:
2 blessed, 2 saints
Blessed Louise of Savoy 1461-1503
Saint Louise de Marillac 1591-1660
Saint Louise of Omura ?-1628
Blessed Louise Therese de Montaignac de Chauvance 1820-1885