Names
- Copper Range Company.1
- Cotter, William Edward, 1893-1957.1
- Couzens, James, 1872-1936.2
- Cramton, Louis C. (Louis Convers), 1875-1
- Cramton, Louis Convers, 1875-1966.1
- Crane, Flavius J. B., 1812-1886.1
- Crary, Isaac Edwin, 1804-1854.2
- Crosby, Elizabeth Caroline, 1888-1
- Curtis, Charles.1
- Curtis, George William, 1824-1892.1
- Curtis, John Green, 1844-19131
- Curtis, John Green, 1844-1913.1
- Curtiss, Ralph Hamilton, 1880-1929.1
- Cushing, Caleb, 1800-1879.1
- Cutcheon, Sullivan M., 1843-1900.1
- D'Ooge, Martin Luther, 1839-19151
- D'Ooge, Martin Luther, 1839-1915.2
- Dame, Gilman Marston, 1866-1939.1
- Danforth, George, -1856.1
- Daniels, Josephus, 1862-1948.1