Morgan Co. marriage records list marriage of Frank Lewis Jr., and Mary Peyton on 21 Feb 1839 by Joseph Nickell.

1850 census of Morgan Co., Ky, enumerated 30 July, lists on p. 6 as family #35:
Francis Lewis Jr., 33, farmer; Mary, 31; Lucinda, 10; Malinda, 9; Francis, 8 (m); Daniel, 2. All born in Kentucky.

1860 census of West Liberty, Morgan Co., Ky, enumerated 5 June, lists on p. 5 as family #27/26:
Francis M. Lewis, farmer, 43; Mary, 40; Lucinda A., 20; Malinda J., 19; Francis M., 17; Daniel A., 12; Nancy E., 9; Mary F., 8; Henry C., 6; Clerinda, 3; Adaline, 8/12; Harvey Forman, 25, laborer, b. Va. (All others born in Ky.)

Mary and the four of the children appeared twice in the 1870 census, once with Malinda, and once with Francis Marion:

1870 census of West Liberty, Morgan Co., Ky, enumerated 23 Aug, lists on p. 33 as family #210/212:
Lewis, Mary, 50; Malinda J., 29; Nancy E., 19; Henry C., 16; Clarinda, 13; Adaline, 10. All born in Ky.
(The next household is Daniel A. Lewis age 22 with wife Mary A. 17.)

1870 census of Blair’s Mills, Morgan Co., Ky, enumerated 23 July, lists on p. 11 as family #82/78:
Lewis, Mary, 50; Marion, 25, works on farm; Elizabeth, 18; Clay, 14; Clarinda, 11; Adaline, 9. All born in Ky.

1880 census of West Liberty, Morgan Co., Ky, enumerated 9 June, lists on p. 21 as family #179:
Lewis, Polly, 59, mother; Jane, 39, daughter; Elizabeath, 33, daughter; Clearindia, 23, daughter, John, 9/12, born Aug, son. All born Ky Ky Ky. (Actually, the relationship fields are blank, but there is a single long wiggley line down from lines 7 through 50 apparently intended to function as a ditto indicator.)