Banns of Marriage Between William Slingsby and Mary Horn
St Wilfrid, Calverley, Yorkshire
3 April 1859

Date Apr 3, 10 and 17
Name and Surname William Slingsby Mary Horn
Residence Idle Idle

NB - There is no evidence that the marriage happened.

Source: Ancestry - West Yorkshire, England, Church of England Marriages and Banns, 1813-1935