Hannah Harness Decker
Birth 1755
West Virginia, USA
Death unknown
Pickaway County, Ohio, USA
Married 1774 Hampshire Co WVA
DOD: after 17 Apr 1823
Copy of a family letter says that Hannah died 1817, however, son, Jacob Decker, bequeathed "unto my mother, Hannah Decker, my bay mare commonly called the "fly." His will was written 17 Apr 1823 and proved 9 Jun 1823, so Hannah was alive in 1823.
Also:
Daughter: Susannah Decker DOB 23 Nov 1792 Hampshire Co WVA DOD 13 Jun 1858 Pickaway Co OH Married : Isaac Millar
https://www.findagrave.com/memorial/131964760/hannah-decker