- Chinn, J. W. (Joseph W.), Jr., Judge, 1866-19361
- Clifton Mills, Clifton Forge, Virginia2
- Clinedinst, B. West (Benjamin West), 1859-19311
- Comegys, Harriet Clayton, 1840-19272
- Conlyn, Helen P. (Helen Pearson Chapman), 1876-19511
- Cooke, Giles B.1
- Copeland, Charles, 1867-19441
- Crosby, H. T. (Howard T.), 1880-19281
- Danton, V. E. (Van Eaton), Dr.1
- Darling, Philip G. (Philip Greenville), 1878-19481
- Dashiell, J. L. (James "Jimmy" Lambert), 1870-19503
- Dean's Studio1
- Dean-Kaylor Studio1
- Delaware Automobile Association1
- Delaware Barber Company1