According to Alabama Marriage records a Frances LOWE married Prior LEWIS, November 7 1861 in Marion County AL.
Abijah and her husband Phillip CARNES were still residing in Marion County AL in 1900. Frances LEWIS is also in the household, listed as Mother in Law.
It does not appear from other census records that the family actually moved to Texas till around 1916.
There is no evidence that these folk were Indian as they are consistently listed as white on all records.
The Alabama Coushatta left the southeast in the early 1800s and established a reservation in Polk County TX in 1854.