NB Family bible says she was born April 20th 1792, however in the 1841 census her age is 45 putting her birth as 1796, but in the 1851 census her age is 58 putting her birth as 1793?
Letter to Joseph Platt Hall in 1868 says Sarah's father is Joseph Whitehead from Saddleworth Fold which is a street in Uppermill.
Family search ref for birth and father says Joseph but probably refers to different Sally Whitehead: https://familysearch.org/tree/person/LCZH-753/details?parents=LZ17-2G2_UNKNOWN
Likewise below probably refers to different Sally Whitehead:
England Births and Christenings, 1538-1975," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V5JN-JF3
: 30 December 2014), Sally Whitehead, Sally Whitehead; citing SADDLEWORTH,YORK,ENGLAND, reference ; FHL microfilm 558,358, 558,359.