From Wikipedia, the free encyclopedia Marguerite Churchill (December 26, 1910 – January 9, 2000) was an American film actress appearing in more than 25 films with a career spanning from 1929 to 1952. She is best known today as John Wayne's first leading lady, in The Big Trail (1930). She was the daughter of a producer who owned a chain of theaters, but he died when she was ten years old. She was educated in New York City at the Professional Children's School and the Theatre Guild Dramatic Scho...