Harris family Washington county Tennessee

Looking for info on thomas and sarah Harris who birthed first son james in 1814 Washington county Tennessee according to the
Records of the.latter day saints re ords. Thomas was born in Tennessee 1787. They moved to st. Clair county alabama and show up on the 1850 60 and 70 census there. Sarah (the mother) last name is unknown. I am a DIRECT descendant of Thomas and james his son.