1850 census of Mason Co., Virginia, enumerated 23 Sep, lists as family #958/973:
Thomas Holly, 38, farmer; Nancy, 38; William C., 15; Ellen F., 11; Mary M., 9; Thomas H., 6; Eliza J., 3; Nancy S., 6/12. All born in Virginia.

1860 census of Mason Co., Virginia, district 2, enumerated 27 June, lists on p. 67 as family #489/463:
Thos Holly, 47, farmer; Nancy, 47; Wm C., 25; Mary M., 19; Thos H., 15; Eliza J., 12; Nancy S., 10; Cariba, 8. All born in Virginia.

1870 census of Greenup Co., Kentucky, precinct 3, Lynn P.O., enumerated 30 June, lists on p. 24 as family #177/172:
Holley, Thomas, 56, farming, b. West Virginia; Nancy, 56, b. East Virginia; Thomsa, 24; Eliza J., 22; Nancy S., 18; Cass, 15. All children born in West Virginia.

Their son William is two households below.

1880 census of Greenup Co., Ky, Liberty precinct 3, enumerated 15 June, lists on p. 26 as family #218/223:
Holley, Thos, 67, farmer, b. Va Va Va; Nancy, 68, wife, b. Va Va Va; Cass, 24, dau, b. Va Va Va; Crase (or Cruse), Nancy E., 12, servant, b. Ky Va Va.