Most descendants of this family from about 1880 forward go by the name Cox, probably largely due to the influence of the very large clan of descendants of Matthew Cox & Lucy Dickerson in Floyd Co.

1850 census of Floyd Co., Virginia, district 15, enumerated 4 Sep, lists as family #896:
John Cox, 46, farmer, b. Carroll Co; Nancy, 45, b. Smyth Co.; Jackson, 21, b. Carroll Co.; Jefferson, 19; Mahala, 17; Frances, 14; Louisa, 11; Hyram, 9; Demaris, 4; Martha, 1. Jefferson through Martha born in Floyd Co.

1860 census of Floyd Co., Virginia, Indian Valley, enumerated 2 Aug, lists on p. 136 as family #985/918:
John Cock, 52, farmer; Nancy, 51; Louisa, 21; Hyram, 18; Demeris, 14; Martha, 10. All born in Virginia.

1870 census of Floyd Co., Virginia, Indian Valley & Burks Fork district, enumerated 29 Aug, lists on p. 33 as family #217/205:
Cock, Nancy, 61, keeping house; Hiram E., 27, farmer. Both born in Virginia.