Mary Tomlinson, professionally known as Marjorie Main, was an American character actress and singer of the Classical Hollywood period, best known as a Metro-Goldwyn-Mayer contract player in the 1940s and 1950s, and for her role as Ma Kettle in 10 Ma and Pa Kettle movies. Main started her career in vaudeville and theatre, and appeared in film classics, such as Dead End (1937), The Women (1939), Dark Command (1940), The Shepherd of the Hills (1941), Meet Me in St. Louis (1944), and Friendly Persuasion (1956).

Ma and Pa Kettle are comic film characters of the successful film series of the same name, produced by Universal Studios, in the late 1940s and 1950s. “The hillbilly duo have their hands full with a ramshackle farm and a brood of rambunctious children. When the future comes a-callin' in the form of modern houses, exotic locales, and newfangled ideas, Ma and Pa must learn how to make the best of it with luck, pluck, and a little country charm.”