Do you have absolute proof John Ayres married Sarah Smith Nov 20 1759.
I have never found the marriage record.Of all children attributed to them,the only
one that shows Jon Ayers & Sarah being there parents is Robert Ayers Baptised
Oct 20 1775,died Oct 11 1777,his father John Ayers,mother Sarah.
Ambrosden,Oxfordshire,England.
England,Select Births and Christenings 1538-1975
So it looks possible.