Namesakes
Louise of Savoy
(a.k.a. Louisa) (f) 1461-1503 
Saints
Ludovica Albertoni
(a.k.a. Louisa) (f) 1473-1533
Saints
Wilhelmine of Prussia
(a.k.a. Louisa) (f) 1774-1837
Other Royalty 1815-1837 Netherlands (queen consort)
Louisa Adams
(f) 1775-1852
American First Ladies 1825-1829
Marianne of the Netherlands
(a.k.a. Louisa) (f) 1810-1883
Other Royalty 1815-1883 Netherlands (princess)
Louisa Musgrove
(f)
Fictional Characters from Books 1818 Persuasion
Louisa May Alcott
(f) 1832-1888
Notable Writers
Victoria, Princess Royal
(a.k.a. Louisa) (f) 1840-1901
Other Royalty 1840-1901; 1888 United Kingdom; German Empire; Prussia (princess/empress consort/queen consort)
Louisa Gradgrind
(f)
Fictional Characters from Books 1854 Hard Times
Wieteke van Dort
(a.k.a. Louisa) (f) 1943-
Notable Actors and Entertainers (comedian/actor)
Jean Louisa Kelly
(f) 1972-
Notable Actors and Entertainers (actor)
Rebecca Ferguson
(a.k.a. Louisa) (f) 1983-
Notable Actors and Entertainers (actor)