I did find a record of a William Mitchell b. 1854 in MO. He was living in TX. in 1880 in the household of a Benjamin T. Duval. Apparently he was working for Mr. Duval as William is listed as a laborer. His marital status at that time was single. This record states that William's parents were both born in TN. This was in McClennan, TX. 1880. Doris