Her oldest son, influenced by Lettie's generosity, created the Joseph B. Whitehead Foundation as a memorial to his father. A special collection in the Robert W. Woodruff Library at Emory University holds many of Lettie's papers and writings.
Lettie's most senior child, influenced by her benevolence, created the Joseph B. Whitehead Foundation as a tribute to his father. The Robert W. Woodruff Library at Emory University houses a notable collection of Lettie's documents and writings.