A special quilting exhibit, “Threads of Our History: Quilts of Mathews Virginia,”  will debut at the Mathews Museum, October 5 and will be on exhibit  through the end of December. These quilts are from a private collection of an old Mathews family, going back over a century.   Mathews is a small, rural southern county sitting on the Chesapeake Bay. The quilts  reflect their utilitarian use, in a geographic area that was fairly isolated until the 1950s. The quilts honor a southern tradition of quilting when…