I see something that looks promising.This info is on the 1880 census of Denton County TX.
W. C. Smart, age 41, born LA, farmer Abbe D. Smart, age 34, born MO They have two nieces living with them. Nancy age 14 and Missouri age 13 born TX
I see a Thomas Wakefield as a step-son to a Jas. D. Mitchell with a wife named Tennessee.They are living inCallahan County TX and Thomas is 17 born TX.It shows his father born in LA.Tennessee is age 40, born LA.