My g grandmother, Catherine DUNN, age 25, shown on 1850 Morgan Co census un der household of William BRISCO, m Claiborn WHITWORTH 01apr1855 Marshall co. Their dau, Mary Jane WHITWORTH m Augustus Washington LAWRENCE 03mar 1878 in Blount Co.Any information on parents, siblings, places, dates as well as relationship to BRISCO line greatly appreciated. Will share informaation and expenses.