 She married Irish iron puddler Thomas Fitzpatrick (b.ca.1857), son of flour miller Patrick Fitzpatrick, at St Patrick's Chapel, York Road, Leeds, on 1 May 1876.They had two children, one named John (b.ca.1876), and in 1881 the Fitzpatrick family was boarding at New Yard, Workington, Cumberland.By the time of her 1882 trial, Mary was living in Lemon Street, Quarry Hill, and was separated from her husband, who had emigrated to America amid the negative pre-trial publicity.