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 ...