Seeking any info on the following family found in Washington Co in 1850.

1850 Subdivision 4, Washington Co, TN, census, page 205:
RAMSEY
John, 46, NC
Mahala, 41, TN
Nancy, 16, TN
Elijah, 13, TN
Wyley?, 10, male, TN
Mary, 8, TN
Salina, 3, TN
Sarah NELSON, 70, NC

Is John Ramsey's wife Mahala nee Nelson, based on the Sarah Nelson listed in the household? Does anyone know anything about this family? Any help greatly appreciated. Cheryl