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.
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
