1850 census of Fleming Co., Ky, division 2, enumerated 17 Aug, lists as family #114:
Christopher Ham, 30, laborer; Rebecca, 28; Juelda, 5; Mary M., 3; James S., 10/12. All born in Ky.

1860 census of Rowan Co., Ky, Morehead P.O., enumerated 17 July, lists on p. 20 as family #155/159:
Christopher Ham, 40, farmer; Rebecca, 39, housewife; Jurilda, 13; Marinda, 11; James S., 9; Robert E., 6; Manerva A., 4; Betsy E., 1. All born in Kentucky.

1870 census of Rowan Co., Ky, Pine Grove precinct, enumerated 22 June, lists on p. 3 as family #20:
Ham, Christopher, 50, farmer; Rebecca, 48; James, 20; Robert, 18; Minerva, 16; Elizabeth, 13; Columbus, 9; John, 7. All born in Kentucky.

1880 census of Rowan Co., Ky, Morehead precinct, enumerated in June, lists on p. 22 as family #167/178:
Ham, Christopher, 55, farmer; Rebecca, 53, wife; Columbus, 20, son; John, 17, son; Granville, 10, grandchild. All born Ky Ky Ky.

1900 census of Rowan Co., Ky, Pine Grove precinct, lists with their daughter Elizabeth and her husband John P. Ham:
Christopher, boarder, 80, b. Apr 1820; Rebecca, 72, b. Jan 1828, boarder, married 50 years, mother of 7 children, 5 living. All born Ky Ky Ky.