Catherine Copenhaver Mercer and Barton W.S. Mercer Click for full size Description Catherine Copenhaver Mercer (1828-1907) and Barton W.S. Mercer (1824-1895). She was the granddaughter of Samuel Copenhaver, brother of Frederick Copenhaver. Collection Copenhaver FamilyFamily HistoryFamily Photos Identifier sbrl:2240 Subject Mercer, Catherine Copenhaver Mercer, Barton W.S. ©2025 Smyth County Public Libraries. All rights reserved.