
A schoolteacher who became a stage actress (briefly), Lois Wilson entered films in 1916 at Paramount (her sisters, Diana Kane and Connie Lewis, also worked as actresses). Wilson played leading roles well into the sound era, and after she retired from the screen she worked sporadically in television and again appeared on stage.
Biography from Wikipedia, CC BY-SA. Credits and photos from TMDB.
The titles people know Lois from.
IMDb rating of each title on Cineora, by year.

as Alice Aldrich · 35 episodes

as Mrs. Wilson

1 episode

as Mrs. Lloyd Kennar

as Miss Jamieson

as Mrs. Ellen Creighton

as Alice Mathews
as Laura Dodacker

as Mary Davis

as Christine Saunders
as Florry Peasley

as Portia Prouty

as Paula Mathews

as Cornelia Quinn

as Performer in 'Bicycle Built for Two' Number (uncredited)

as Catherine Darwin
as The Painter's Jealous Wife

as Ruth

as Diane Holden

as Ruth Rutledge

as May Strickland

as Mrs. Billings

as Mary Grayson

as Marian

as Cynthia Meyrick

as Mary Tompkins

as Margaret Blake

as Celia Hathaway

as Mary Miller
The people who keep turning up in Lois’s titles.