Mary Garwood married John Pickess on May 13, 1817, in Dedham, Essex. John died in 1839.
She remarries to James Garwood on July 30, 1848. Stating her father is Thomas Garwood.
In 1851, I find them living together in Dedham, Essex, 1851 census. Mary says she is 52 years old and born in Stratford, Suffolk.
In 1841, when she was Mary Pickess, she is 40 years old.
I can't find Mary after 1851, James Garwood dies in 1852.
The Pickess family is originally from Horton, Suffolk.