The Cockayne Mound is one of the few remaining intact prehistoric mounds in Marshall County and is recorded as site 46MR26 in the archaeological files of the West Virginia Division of Culture & History. In January 2005, Jamie Vosvick and Chris Jackson of Archaeological Consultants of the Midwest excavated a narrow slit trench at the base of the mound to determine whether it was cultural in origin. Although no artifacts were collected, examination of the mound's profile suggested that it dated to the prehistoric period. Because no artifacts were recovered and no radiocarbon assay could be obtained, the specific Woodland prehistoric period in which the mound was constructed cannot be determined with certainty. A concretion stone used by prehistoric Indians to mix powders and oils to make paint was found within the farmhouse, and a nutting stone reflecting a diet that included berries and nuts was found in the back yard of the smaller Cockayne House. The mound was reunited to the Cockayne Property in 2005 through the efforts of Governor Bob Wise, Senators Jeffrey Kessler and Larry Edgell, and Delegates Scott Varner and Kennneth Tucker.