Do you have a Dublin address from Mary Janes marriage certificate,it may help to locate the death/burial of her father.
Glasnevin Trust,Genealogy has three likely candidates which can be viewed on line for a fee of 3euro each.
also remember ages at death are not always accurate.
John Bisitt age 68 in 1873 (as spelt)
John Bissett age 65 in 1876
John Bissett age 28 in 1883