ROBT. E LEE

further information:
Wikipedia
There had been two other ships with this name.

Chandelier from Robt. E. Lee in PORT GIBSON EPISCOPAL CHURCH, Port Gibson, Miss
original photo 1880 at Cairo, Illinois
maybe ROBT. E. LEE (AI researched), second boat unknown, both at Halliday Warfboat
AI optimized

possible other boats (maybe):

NATCHEZ, JAMES HOWARD, CITY OF VICKSBURG, J. M. WHITE