1880 Marriage solemnized at the Parish Church in the Parish of Calverley in the County of York
| Number | 448 | |
| When Married | March 14th. 1880 | |
| Name and Surname | John Henry Mackwell | Harriet Slingsby |
| Age | 19 | 19 |
| Condition | Bachelor | Spinster |
| Rank or Profession | Overlooker | Drawer |
| Residence at the time of Marriage | Windhill | Windhill |
| Father's Name and Surname | Joseph Mackwell | Abram Slingsby |
| Rank or Profession of Father | Delver | Delver |
Married in the Parish Church according to the Rites and Ceremonies of the Established Church after Banns by me, Christopher George Wilkinson Curate
| This Marriage was solemnized between us | John Henry Mackwell |
| Harriet Slingsby | |
| in the Presence of us | X the mark of of Martha Hoyle |
| James Margerison |
GRO Ref: M1880 - Bradford 9b 174