Chatham County, North Carolina in 1771 from Orange County. It had been named in 1758 for William Pitt, 1st Earl of Chatham, who served as British Prime Minister from 1766 to 1768 and opposed harsh colonial policies. In 1907, parts of Chatham County and Moore County were combined to form Lee County. While not devoted to large plantations, the county was developed for small farms, where slave labor was integral to the owners' productivity and success. By 1860 one-third of the county population were African Americans, chiefly enslaved. George Moses Horton, Historic Poet Laureate of Chatham County, (1797?-1883) lived most of his life enslaved
Earl of Seaforth would have been the 6th earl, helped the British government during the rising of 1745, and was a member of parliament for some years. His son Kenneth Mackenzie was created Baron of Ardelve and Viscount Fortrose in the Peerage of Ireland in 1766 and Earl of Seaforth in 1771, also in the Peerage of Ireland. However, these peerages became extinct when he died in August 1781. Although there were still heirs to the older earldom, this remained under attainder. Kenneth raised the regiment of Highlanders, the 78th (later known as 72nd) in 1778, known later as the 1st battalion of