East Mingo Branch

… rises in SW Johnston County and flows S to join Black River in forming South River on the Cumberland-Sampson county line. For a part of its course, it forms the boundary between Johnston and Harnett Counties and between Harnett and Sampson Counties. Sometimes known as Mingo Swamp. Appears as Black Mingo on the Collet map, 1770. Mingo was an Indian word for a treacherous person. It was also frequently used as a slave name, appearing as such as early as 1680 in Albemarle County. See also Black Creek Swamp.