The death certificate of their son Columbus gives his mother’s maiden name as Moore. The birth record for their son California gives his mother’s maiden name as Elizabeth Parsons, and the death certificate of their son Ulysses Grant gives his mother’s maiden name as Betty Parsons. And Thompson and Elizabeth’s marriage record gives her surname as Akdins, although there is no indication whether it is a first marriage or not, so it may be the name of a previous husband.

Morgan Co., Ky marriage records list the marriage on 15 Apr 1852 of Thompson Lewis, age 21, born in Lawrence Co., Ky, and Elizabeth Adkins, age 21, born in Morgan Co., Ky, by William Barker.

1860 census of Morgan Co., Ky, district 1, West Liberty P.O., enumerated 19 June, lists on p. 29 as family #176/174:
Thompson Lewis, 27, farmer; Elizabeth, 31; California, 5; Elizabeth, 7/12. All born in Virginia.

1870 census of Elliott Co., Ky, precinct 1, Sandy Hook P.O., enumerated 8 June, lists on p. 3 as family #17:
Thompson Lewis, 37, farmer; Elizabeth, 39; California, 14, son; Elizabeth, 7, dau; George, 6; Columbus, 5; Grant, 3; Howard, 2. All born in Kentucky.

(The format of this census records most families surname first, causing the household to be indexed as Thompsons.)

1880 census of Elliott Co., Ky, Martinsburg precinct, enumerated 4 June, lists on p. 7 as family #51:
Lewis, Thompson, 50, farmer; Elizabeth, 53, wife; Elizabeth M., 19, dau; George W., 17, son; Columbus, 14, son; U. S. Grant, 13, son; James, 7, son. All born Ky Ky Ky.

1900 census of Elliott Co., Ky, Sandy Hook precinct, enumerated 8 June, lists on p. 7B as family #112/113:
Lewis, Thomas, 70, b. Mar 1830, farmer; Elizabeth, wife, 73, b. Jan 1827, married 50 years, mother of 13 children, 5 living; George W., son, 37, b. Mar 1863, single, farm laborer; John W., grandson, 14, b. May 1886. All born Ky Ky Ky.

The preceding household is headed by their son Grant.