Several Nix mentions in Barnwell County, Probate Court, Index to Wills and Probate Records, 1787-1958.
In Camden District, a deed from Thomas Fletchall to Ambrose Nix. The property contained an old plantation, and may have been the site of Fletchall's Fort, a settler's fort active during the early 1760's.
In Chester District, a deed from Ambros Nix and his wife Hannah to Hazel Hardwick for 256 acres.
Two mentions of Valentine Nix's property on Johns' Creek in the plats of David Hopkins and Leonard Pratt (listed under Camden District).