Marian Ainslee (1896 – 1966) was an American screenwriter and researcher[1] active during Hollywood's silent film era.

Her first job out of school was as a newspaper reporter in Jefferson City, Missouri, where she interviewed politicians.

Discouraged by salaries she encountered in journalism, she moved to Hollywood to try screenwriting.

[3] After getting her start as a script clerk,[4] Ainslee became one of MGM's top title writers during the 1920s and early 1930s, linked closely to producer Irving Thalberg.

[5] When Thalberg died, she briefly retired from screenwriting, anad in 1938, she signed with RKO and wrote Carefree.