Mary Pearcey (26 March 1866 – 23 December 1890) was an English woman who was convicted of murdering her lover's wife, Mrs. Phoebe Hogg, and child, Tiggy, on 24 October 1890 and hanged for the crime on 23 December of the same year. The crime is sometimes mentioned in connection with Jack the Ripper, and Pearcey has been posited as a Ripper...