John was born in 1739. John Gregory ... [1]
A birth c1851 would make this John too young to be William’s father, and the christening given below is more likely to belong to William’s brother since both this christening and William’s list the parents as John and Ann with the father’s occupation as butcher. The original profile has this John’s christening as 1839, and this date has thus been reinstated. There are a number of christenings which might match this date, although none in Radcliffe.
"England Births and Christenings, 1538-1975," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NPXG-R82 : 11 February 2018, John Gregory in entry for John Gregory, 04 Aug 1751); citing , index based upon data collected by the Genealogical Society of Uta...
Have you taken a DNA test? If so, login to add it. If not, see our friends at Ancestry DNA.