I have found this death which would fit in with Ralph being born around 1774:-
name: Ralph Meadowcroft
gender: Male
burial date: 07 Sep 1828
burial place: Oldham, Prestwich, Lancaster, England
age: 53
birth date: 1775
marital status: Unknown
indexing project (batch) number: B03944-4
system origin: England-EASy
source film number: 1545711
but for Ann Barlow there is another possibilty:-
parents: Abraham Barlow, Betty Barlow
name: Ann Barlow
event type: Baptism
christening date: 10 Feb 1782
christening place: Middleton, Lancashire
father's name: Abraham Barlow
mother's name: Betty Barlow
record set: RG4_1195
