what else were they in?
Marjorie Main achieved popularity as a comedienne especially well know for her role as Ma Kettle - for which she received an Academy Award nomination for best supporting actress (in The Egg and I).
You may recognize her as:
Ma Kettle in the ten Ma and Pa Kettle movies.
Mrs. Hittaway in The Long, Long Trailer
Esme in Summer Stock
Sonora Cassidy in The Harvey Girls
Katie in Meet Me in St. Louis
Mrs. Strable in Heaven Can Wait
Mrs. Dolley in Another Thin Man
Mrs. Martin in Stella Dallas