- Howe, George1
- Howe, William Bell White, 1823-18941
- Huan, Celia1
- Hubbard Brothers1
- Hudson, Eugene1
- Huger, Alfred1
- Huger, Arthur M.1
- Huger, Cleland Kinloch1
- Huger, D.E.1
- Hul-cee, H.J.1
- Hutchinson, T.H.1
- I. L. Falk & Company1
- Immigration Society of Newberry County (S.C.)1
- Ippoliti, Richard1
- Irving, John B.1
- Izlar, James Ferdinand, 1832-19121
- J.H. Norwood, United States Internal Revenue, First Collection District, South Carolina1
- J.J. Wardlaw, Henry Summer1
- J.S. Schofield & Son1
- J.T. Barron, Special Deputy and Legate1