My own brick wall are the father and son Johnstons, James and John. Know more than the following? Who was James Johnston? Where did he come from? Any ideas? John Johnston, born 14 Oct 1784 in Horry County, South Carolina; died 03 Sep 1853 in Barbour County, Alabama78. He was the son of 68. James Johnston. He married Celia Floyd Abt. 1806 in Horry County, South Carolina