| Name | Birth date | Birth location | Death date | Death location |
| COATNEY, Mattie | WFT Est. 1864-1899 | | WFT Est. 1898-1980 | |
| COCKERILL, Claiborne W. | 1854 | Adams County, Ohio | November 03, 1880 | San Antonio, Texas |
| COCKERILL, Nancy Bell | April 24, 1875 | Cass County, Missouri | March 22, 1958 | Long Beach, California |
| COFFIN, Abraham Lincoln | November 10, 1860 | Hancock County, Indiana | November 11, 1947 | Hancock County, Indiana |
| COFFIN, Dwight J. | January 19, 1898 | Hancock County, Indiana | 1974 | Indianapolis, Indiana |
| COFFIN, Ellis G. | October 28, 1892 | Hancock County, Indiana | 1976 | Chicago, Illinois |
| COFFIN, father of abraham lincoln | WFT Est. 1809-1838 | | WFT Est. 1863-1923 | |
| COFFIN, Hilda J. | July 02, 1896 | Hancock County, Indiana | June 15, 1994 | Lebanon, Indiana |
| COFFIN, Joan Lee | Private | | | |
| COFFIN, John A. | November 07, 1901 | Hancock County, Indiana | June 22, 1933 | Indianapolis, Indiana |
| COFFIN, Judith | Private | | | |
| COFFIN, Lena | April 07, 1888 | Hancock County, Indiana | 1988 | |
| COFFIN, Lora | January 21, 1891 | Hancock County, Indiana | July 25, 1974 | Hancock County, Indiana Hancock County Hospital |
| COFFIN, Marjorie Mae | September 18, 1910 | Hancock County, Indiana | July 20, 1993 | Venice, Florida |
| COFFIN, Martha J. | September 04, 1894 | Hancock County, Indiana | September 25, 1987 | Washington D. C. |
| COFFIN, Maxine | Private | | | |
| COFFIN, Mildred A. | April 13, 1906 | Hancock County, Indiana | WFT Est. 1934-1995 | Lebanon, Indiana |
| COFFIN, Seth C. | January 18, 1904 | Hancock County, Indiana | 1976 | Florida |
| COFFIN, Sylvia | August 01, 1889 | Hancock County, Indiana | February 26, 1971 | |
| COLBERT, Jamiee Jill | Private | | | |
| COLBERT, Jonathan Spencer | Private | | | |
| COLBERT, Teralyn Marie | Private | | | |
| COLBERT, Terrance Lee | Private | | | |
| COLE, Nancy | Abt. 1805 | | Unknown | |
| COLLING, Brian | Private | | | |
| COLLING, Charles W | Private | | | |
| COLLING, Douglas | Private | | | |
| COLLING, Lese J. | Private | | | |
| COLLING, Scott | Private | | | |
| COLOMA, Unknown | Private | | | |
| CONDRY, John H. | | | Unknown | |
| CONKLIN, Mary | WFT Est. 1830-1853 | | WFT Est. 1873-1942 | |
| CONLEY, ?husband of beverly chinn? | Private | | | |
| CONNER, Delilla Belle | WFT Est. 1841-1865 | | WFT Est. 1884-1954 | |
| CONNER, Osa M. | Private | | | |
| CONRAD, Mona | Private | | | |
| CONWAY, Ann | 1718 | Prince George County, Virginia | April 1796 | Hampshire County, Virginia |
| CONWAY, Dennis | WFT Est. 1667-1696 | | WFT Est. 1721-1781 | |
| COOK, Thomas | WFT Est. 1799-1819 | | WFT Est. 1844-1905 | |
| COOL, ? 2 of clarence & edna? | Aft. 1860 | | Unknown | |
| COOL, ? 3 of clarence & edna? | Aft. 1860 | | Unknown | |
| COOL, ? 4 of clarence & edna? | Aft. 1860 | | Unknown | |
| COOL, ? 6 of clarence & edna? | Aft. 1860 | | Unknown | |
| COOL, ?1 of clarence & edna? | Aft. 1860 | | Unknown | |
| COOL, Alvina | Aft. 1860 | ? | Unknown | ? |
| COOL, Clarence | Aft. 1845 | ? | Unknown | ? |
| COOL, Clyde | Aft. 1845 | ? | Unknown | ? |
| COOL, Herbert | Aft. 1830 | ? | Unknown | ? |
| COOL, Jessie | Aft. 1845 | | Unknown | |
| COOPER, Bertha Grace | October 19, 1882 | | January 10, 1960 | |