St. Bartholomew Parish (S.C.) and Christ Church Parish (S.C.) land owner; S.C. state Representative and state official. John Vanderhorst was the son of William Vanderhorst (d. 1767?) and Margaret McNabney. In 1785 he wed Dorothy Waring (d. 1786), daughter of Thomas Waring (d. 1824); Vanderhorst's sister Sabina was the wife of Joshua Toomer (1740-1796). John Vanderhorst's service in the Revolutionary War earned him land grants, and he also served as a justice of the peace, incorporator of the Santee Canal Co. (1786), and Secretary of State (1783-1787).
From the description of John Vanderhorst papers, 1774-1804 (bulk 1786-1804). (The South Carolina Historical Society). WorldCat record id: 35953537