You may use this search to find persons admitted to United States citizenship by the U.S. courts in South Carolina from 1790 to 1800.
[xyz-ips snippet=”south-carolina-naturalizations”]
Record of Admissions to Citizenship District of South Carolina 1790-1906 (National Archives Microfilm Publication M1183, roll 1); Records of the District Courts of the United States, Record Group 21; National Archives Building, Washington, DC.
More information about South Carolina can be found in the books:
Carolina Scots: An Historical and Genealogical Study of Over 100 Years of Emigration
and:
Heads of Families South Carolina: First Census of the U S 1790