She appeared in 111 films between 1912 and 1949. She made her first film in 1913 for Solax and continued making films until 1921, mainly for Fox Film Corporation. Whitney came back to films in 1926 with a role in The Great Gatsby which would be her final silent film.
She continued working in film between 1931 and 1949 when she retired.
Whitney died in Los Angeles on August 27, 1969 at the age of 79. She is buried in an unmarked grave in Forest Lawn Memorial Park, next to her husband, Robert Emmett Keane.