Mary Kate Danaher is a fictional character from the 1952 film The Quiet Man, directed by John Ford. She is portrayed by actress Maureen O'Hara and is known for her strong-willed and spirited personality. The character is the daughter of a local farmer in Ireland and becomes the love interest of the film's protagonist, Sean Thornton, played by John Wayne. In the story, Mary Kate's character embodies traditional Irish values and the complexities of love and family honor. Her relationship with Sean is central to the plot, highlighting themes of cultural identity and personal freedom. The film remains a classic, celebrated for its picturesque portrayal of Irish life and romance.