Mary Jane Kelly (c. 1863 – 9 November 1888), also known as "Marie Jeanette" Kelly, "Fair Emma", "Ginger" and "Black Mary", is widely believed to be the fifth and final victim of the notorious unidentified serial killer Jack the Ripper, who killed and mutilated prostitutes in the Whitechapel area of London from late August to early November 1888. She was about 25 years old, and living in poverty at the time of her death.