Hi:
My side of the family does not take in Sarah 1803, but I was able to check out the family tree on ancestry.ca and I found:
Sarah's birth name was Sally and she changed it to Sarah when she got married to Marshall Hill in 1824.
Her Parents were
Maher-shalal-hash-baz Wakelin
Born Apr 16, 1755, Lewknor, Oxfordshire
Died Jul 10, 1814, Aston Rowant, Oxfordshire
Mary Croxford
Born Jun 12, 1768, Aston Rowant, Oxfordshire
Died Mar 25, 1851, Aston Rowant, Oxfordshire
Marriage St. Martins, Oxford, Oxfordshire Sep 25, 1798
On the Wakelin Side:
Grandparents (Married 1752) They had 13 children
Adam Wakelin
Born 1727 Mar 10th Lewknor, Oxfordshire
Died Mar 30, 1795 Ashton Rowant Oxfordshire
Mary Croxford
Born 1734 Sep 13th Lewknor, Oxfordshire
Died Aug 30, 1793 Ashton Rowant, Oxfordshire
Great Grandparents on the Wakelin side: (Married 1719) (9 children)
John Wakelin
Born: Oct 17, 1696 Lewknor, Oxfordshire
Died: no info
Mary Bayley
Born: Adwell, Oxfordshire
Died: 1738
Great Great Grandparents on the Wakelin side: (1 child)
James Wakland
Born May 3, 1658 Great Hasaley, Oxfordshire
Died: 1716
Ann (no other info)
This family tree is quite large. The children are all listed and the mothers side of the family is also recorded.
Hope this helps