| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|
| Chase | 421 | Cunedda | 14 | Caribert, Count of Laon | 1 | Cuthwine | 1 | Curli | 1 |
| Carver | 1 | Cassandra | 1 | Clotilde | 1 | Cynebald | 1 | Chatellerault, De | 1 |
| Cook | 15 | Capys | 1 | Chrotlind | 1 | Ceawlin | 1 | Cash | 1 |
| Challis | 36 | Callirhoe | 1 | ClovisIII, King of all Franks | 1 | Cynric | 1 | Conqueror', King of England | 1 |
| Clerke | 1 | Cain | 1 | ChildebertIII, King of all Franks | 1 | Cutha | 1 | Czcibor | 1 |
| Constable | 53 | Cainan | 1 | Clovis II, King of Neustria & | 1 | Carolingian, King of France | 1 | Chosciszko | 1 |
| Collee | 2 | Cosam | 1 | Childeric | 1 | Carolingian, Lord Courci | 1 | Connaught | 3 |
| Caroline | 1 | Caesar, Emperor of Rome | 1 | Chlotar III | 1 | Charles, "the Simple", King of France | 1 | Canmore, Earl of Huntington | 1 |
| Cunningham | 1 | Caesar, Consul of Rome | 1 | Chrodobertus | 1 | Chauve', Holy Roman Emperor | 1 | Clarice | 1 |
| Coffin | 2 | Cornelia | 1 | Charibert | 1 | Commings | 1 | Clare, Lord of Dunmow, De | 1 |
| Cooper | 1 | Cleopatra, Queen of Egypt | 1 | Clodoule, St. | 1 | Constantine, Count of Vienne | 1 | Clifford, De | 49 |
| Cummings | 1 | CaesarII, Emperor of Rome | 1 | Curtis | 10 | Carbonopsina | 1 | Cornouaille, de | 2 |
| Call | 1 | Cotta II | 1 | Capet, Duke of Burgundy | 2 | Constantine, Byzantine Emperor | 2 | Canhiart, Count of Cornuaille | 1 |
| Carriel | 2 | Cotta I | 1 | Capet | 25 | Carinthia, Holy Roman Emperor | 1 | Castilin, Count de Cornouaille | 1 |
| Carr | 1 | Caesar, Military Tribune | 1 | Chalons, De | 5 | Child', King of Germany | 1 | Chebre, Count de Cornouaille | 1 |
| Chase, Ensign | 1 | Caesar | 9 | Cunegonde | 1 | Carinthia | 2 | Constantine, Prince of Brittany | 1 |
| Colby | 62 | Crecitus, Preator of Rome | 1 | ConradI, Count of Auxerre | 1 | Charles, Holy Roman Emperor | 2 | Constantine, Prince of Cornouille | 1 |
| Collins | 4 | Crecitus | 2 | Conrad, Count of Auxerre | 1 | Christine | 6 | Concar, Count de Cornouaille | 1 |
| Craw, Le | 1 | Cossutia | 1 | Childebrand, Duke of Suabia | 1 | Cleves, de | 2 | Cador | 1 |
| Cousins | 3 | Canens | 1 | Chrodoald | 1 | Chaumontois, de | 1 | Corneu, High King of Britain | 1 |
| Colburn | 3 | Cronid", King of Latium | 1 | Childebrand, Count of Autun | 1 | Creil, de | 3 | Cyllin | 3 |
| Colliyson | 1 | Claudianus | 1 | Childebrand, Count of Autun, Lord of Perracy | 1 | Crépon, de | 8 | Caradoc | 4 |
| Compton | 3 | Caepio | 1 | Capet, King of France | 21 | Crépon, Forester of Arques, de | 1 | Caratacus, King of the Catuvellauni | 1 |
| Cooke | 7 | Caepio II | 1 | Capet, Princess of France | 23 | Capet, Count of Portugal | 1 | Caradoc, 'The Martyr' | 1 |
| Cantize | 2 | ClodemirIII, King Of The West Franks | 1 | Crespina | 1 | Cantule | 1 | Ceri | 1 |
| Carter | 4 | Caseander | 1 | Casere | 1 | Centull, Duke of Gascony | 1 | Conteville, De | 5 |
| Chapman | 1 | Clodmis | 1 | Ceolwulf | 1 | Carcasonne, De | 1 | Craon, de | 8 |
| Coolidge | 2 | Clorius | 1 | Cuthbert | 1 | Carcassonne, De | 1 | Crequy, de | 6 |
| Clough | 3 | Cloromir | 1 | Cynreow | 1 | Conan, Duke de Bretagne | 1 | Cleves | 1 |
| Clemens? | 1 | ClodomirIV, Duke of the West Franks | 1 | Centwine | 1 | Chalon, de | 3 | Carcassone | 1 |
| CharibertII, King of Aquitaine | 1 | CharibertI, King of Paris | 1 | Cundwalh | 1 | Camerino | 3 | Chaworth, de | 28 |
| Cambrai | 2 | Chlodomer | 1 | Coenwalh | 1 | Conant | 1 | Cogan, de | 6 |
| ChilpericI, King of Soissons Franks | 1 | Childebert | 1 | Creoda | 1 | Christianson | 1 | Caen, Earl of Gloucester, de | 1 |
| ChildericI, King of Franks | 1 | Chilperic | 1 | Cynewald | 1 | Crivits | 1 | Caennmor, King of Scotland | 1 |
| Clodius | 1 | Caratone | 1 | Cnebba | 1 | Campbell | 40 | Caennmor | 1 |
| ClodiusIV, King of the Franks | 1 | Claffo | 1 | Cerdic | 1 | Christensdatter | 1 | Conrad | 6 |
| ClodiusIII, King of the Franks | 1 | Charlemagne | 1 | Cenred | 1 | Curda | 1 | Confessor, King of England | 1 |
| ClodomirIV, King of the Franks | 1 | concubine | 13 | Cwenburh | 1 | Cheney | 6 | - | - |
| Cerwyd | 1 | Charles | 7 | Cuthburh | 1 | Corum | 1 | - | - |
| Crydon | 1 | Carolingian | 5 | Ceolwald | 1 | Corbet | 74 | - | - |
| Cynfarch, Dux Cornwall | 1 | Carloman | 8 | Cyneglis | 1 | Clare, Earl of Hertford & Gloucester, De | 1 | - | - |
