In Nicola Marschall, Designer of the First Confederate Flag, Department of Archives and History Historical and Patriotic Series No. 12, reference is made to Mattie in the context of a visit in the Louisville home of the Marschalls: "I found the wife of his youth much younger than himself, a charming and most interesting woman. A native Alabamian related to the first and most gifted families in Alabama and the South, she recalled as but yesterday the old days in Marion, Alabama..."
