| Name | aka | Birth date | Birth location | Marriage date | Marriage location | Death date | Death location |
| Martha Connell | | | | November 1939 | Davidson County, Tennessee | October 1994 | |
| Rebecca Connell | | | | | | | |
| Robert Connell | | | | | | | |
| William Connell | | | | | | | |
| Conrad I of Luxemburg, Count of Luxemburg | | | | | | 1086 | |
| Conrad II, Holy Roman Emperor | | 990 | | | | June 4, 1039 | |
| Conrad III of Burgundy | | | | Abt. 983 | | | |
| Conrad of Argengau | | | | | | Aft. 862 | |
| Conrad of Auxerre, Count of Auxerre | | | | | | 876 | |
| Conrad of Lotharingia, Duke of Lotharingia | | | | 947 | | August 10, 955 | |
| Conrad I, Holy Roman Emperor | | | | | | 918 | |
| Constance of Arles & Toulouse | | Abt. 973 | Toulouse, France | | | July 25, 1032 | Melun |
| Constance of Burgundy | | | Burgundy, France | | | | |
| Constantine II of Alba, King of Scotland | | | | | | 877 | |
| Rev. A. T. Copeland | | | | | | | |
| Sybilla Corbet | | 1070 | France | WFT Est. 1099-1127 | | WFT Est. 1099-1164 | |
| Cormac macAilill O'D£nlainge, King of Leinster | | | | | | | |
| George John Cote | | | | July 9, 1971 | Baton Rouge, Louisiana | | |
| Dozier Courtney | | | Goshen, Ohio | | | | |
| Edward Courtney | | 1794 | Salem, Columbus County, Ohio | May 7, 1823 | | | |
| Phoebe Courtney | | November 6, 1840 | Ohio | March 10, 1863 | | July 17, 1875 | Bluffton, Indiana |
| Edward Cox | | | | | Alliance, Ohio | | |
| Edward Cox, Jr. | | | | | | | |
| Molly Cram | | | | | | | |
| Creoda of Wessex | | | | | | | |
| Savanah Jo Cress | | | | February 14, 1916 | Victor, Iowa | | |
| Crinan, Mormaer of Atholl | de Mormaer, Crinan, Grimus | Abt. 975 | Atholl, Perthshire, Scotland | Bef. 1008 | Atholl, Perthshire, England | 1045 | battle |
| Jasper James Croome | | April 18, 1989 | Chicago, Illinois | | | | |
| Lucille Matthews Croome | | September 7, 1992 | Bad Homburg, Germany | | | | |
| Philip Minturn Croome | | May 21, 1962 | Washington, D.C. | August 8, 1988 | Rutherford, California | | |
| Norma Constance Culpepper | | July 25, 1951 | Chattanooga, Tennessee | August 6, 1983 | Nashville, Tennessee | | |
| Eliza Ann Cummings | | August 26, 1811 | Plymouth, New Hampshire | March 21, 1830 | Plymouth, New Hampshire | August 11, 1893 | Chester, Vermont |
| Noah Cummings | | | | | | | |
| Frank S. Cummins | | | | | | | |
| Margaret Cummins | Cummins, Peg | March 14, 1906 | Des Moines, Iowa | November 12, 1921 | St. Louis, Missouri | December 5, 1982 | Wilmington, Delaware |
| Cundwalh | | | | | | | |
| Cunedda | | | | | | | |
| Cunigunde of Germany | | | | | | | |
| Dorothy Currie | | February 20, 1935 | | March 4, 1961 | | | |
| Cuthbert | | | | | | | |
| Cuthwine | | | | | | | |
| Cuthwulf | Cutha | | | | | | |
| Cynan ap Iago | | | | | | | |
| Cynan ap Rhodri | | | | | | | |
| Cynegth | | | | | | | |
| Cynfyn ap Gwerystan, King of Powys | | | | | | 1023 | |
| Cynreow | | | | | | | |
| Cynric of Wessex, King of Wessex | | | | | | 560 | |
| D£nkaing macTuathal O'Muiredaig, King Leinster | | | | | | 869 | |
| D£nlaing macÉndae Niae | | | | | | | |