WILDER, Sampson & Mary Polly

Need to determine date of death and where Mary Polly Adams Wilder, b. abt 1783, who died after 1840 and before 1850 census, is buried. Children were Polly, Elizabeth (Maples), Sampson, John (also of Woodville, Ala in 1840), John, Joseph, Solomon, Jesse Wilder.