Mina Gary is a fictional character from the novel "The Haunting of Hill House" by Shirley Jackson. She is known for her complex personality and her experiences in a haunted mansion, which explore themes of fear and psychological tension. In the story, Mina interacts with other characters, including Dr. John Montague and Eleanor Vance, as they investigate the supernatural occurrences at Hill House. Her character contributes to the overall atmosphere of suspense and mystery that defines the novel.