Mary Ann "Polly" Nichols (née Walker; 26 August 1845 – 31 August 1888) was one of the Whitechapel murder victims.
Her death has been attributed to the notorious unidentified serial killer Jack the Ripper, who is believed to have killed and mutilated at least five women, who may have worked as prostitutes, in the Whitechapel area of London from late August to early November 1888.
File:Mary Ann 'Polly' Nichols.jpg (cropped; published in many works on "Jack the Ripper" including Evans, Stewart P.; Skinner, Keith (2000). The Ultimate Jack the Ripper Sourcebook: An Illustrated Encyclopedia. London: Constable and Robinson. ISBN 1841192252, between pages 116 and 117