Bess McNeill is a fictional character from the short story "The Yellow Wallpaper" by Charlotte Perkins Gilman. She is depicted as a young woman who struggles with mental health issues, particularly postpartum depression. Bess is often confined to her home and faces societal pressures that exacerbate her condition. In the story, Bess's experiences reflect the challenges faced by women in the late 19th century, particularly regarding their autonomy and mental well-being. Her character serves as a critique of the treatment of women during this period, highlighting the importance of understanding and addressing mental health.