On May 13, 1880, Mallinson married Elizabeth Annie Bracewell, the eldest daughter of the "Old Master" Christopher Bracewell, amid scenes of unparalleled public interest in Earby Wesleyan Chapel, Skipton.
The Labour gains came in the wards of Craven, Vivary Bridge and Whitefield, while the Conservatives took the seats of Barrowford, Earby, Foulridge and Reedley.