| PATRONYME | FREQUENCE |
| ABCRAL | 1 |
| ADOYER | 2 |
| ALAINMAT | 6 |
| ALANET | 1 |
| ALAVAT | 1 |
| ALEMAT | 2 |
| ALEMENT (L') | 1 |
| ALER | 23 |
| ALES | 2 |
| ALEVAT | 1 |
| ALFAT | 1 |
| ALLAIN | 10 |
| ALLANOU | 1 |
| ALLEE | 1 |
| ALLES | 2 |
| ALLEVAT | 1 |
| ALLI | 1 |
| ALLY | 1 |
| ALMAT | 1 |
| ALPHAT | 1 |
| ALVAT | 3 |
| ALY | 3 |
| ANDRE | 40 |
| ANDREAU | 1 |
| ANDREFF | 3 |
| ANNAS | 1 |
| ARSUL | 3 |
| ARTUR | 2 |
| AUBIN | 1 |
| AUFFRAY | 3 |
| AUFFRET | 10 |
| AUGEL | 1 |
| BAIL (LE) | 32 |
| BAILLE (LE) | 2 |
| BANNER | 1 |
| BANNER (LE) | 36 |
| BANNIER | 8 |
| BANTAS | 5 |
| BARATER (LE) | 1 |
| BARBIER (LE) | 3 |
| BARBU (LE) | 6 |
| BAROTER (LE) | 1 |
| BARRIER (LE) | 1 |
| BARS (LE) | 59 |
| BARSE (LE) | 4 |
| BARZ (LE) | 3 |
| BASTARD (LE) | 4 |
| BATAR | 2 |
| BATARD | 5 |
| BATARD (LE) | 1 |
| BAUDET | 5 |
| BAUDOUR (LE) | 12 |
| BAZIL | 1 |
| BEAUCOULEUR | 17 |
| BEAUDOUR (LE) | 9 |
| BEAUVIR | 25 |
| BECHEC (LE) | 6 |
| BECOUARN | 70 |
| BELEC | 2 |
| BELEC (LE) | 1 |
| BELEGUIC (LE) | 3 |
| BELLEC | 3 |
| BELLEC (LE) | 6 |
| BELLEGUIC (LE) | 7 |
| BELLET | 1 |
| BENIAC | 1 |
| BER (LE) | 8 |
| BEREZAY | 4 |
| BERGOT | 1 |
| BERNARD | 9 |
| BERROCHE | 1 |
| BERTELOT | 4 |
| BERTHELOT | 15 |
| BERTHO | 1 |
| BERTHOU | 1 |
| BERVET (LE) | 7 |
| BIAN (LE) | 64 |
| BIANNIC (LE) | 4 |
| BIHAN (LE) | 216 |
| BIHANNIC (LE) | 1 |
| BINET | 1 |
| BINIGUET (LE) | 1 |
| BISIEN | 3 |
| BITER (LE) | 3 |
| BIZIEN | 9 |
| BLA (LE) | 1 |
| BLAIS | 8 |
| BLAIS (LE) | 4 |
| BLAISE | 4 |
| BLAIZ | 1 |
| BLAS | 1 |
| BLAS (LE) | 1 |
| BLEIZ (LE) | 6 |
| BLEVIN | 1 |
| BLOA (LE) | 1 |
| BLOAS (LE) | 1 |
| BLOND (LE) | 1 |
| BLOT | 1 |
| BLOUIN | 19 |
| BOANNER (LE) | 4 |
| BODOUR (LE) | 1 |
| BOENER (LE) | 2 |
| BOENNER (LE) | 2 |
| BOESART | 1 |
| BOETAR | 3 |
| BOISAR | 1 |
| BOISAREL DE | 1 |
| BOIVIN | 1 |
| BOIZARD | 2 |
| BOLLOCH (LE) | 6 |
| BON (LE) | 2 |
| BONER (LE) | 16 |
| BONHER (LE) | 4 |
| BONHOM (LE) | 2 |
| BONHOMME (LE) | 9 |
| BONNER (LE) | 33 |
| BONNOIS (LE) | 2 |
| BONOM (LE) | 4 |
| BONOME (LE) | 1 |
| BOONER (LE) | 2 |
| BOONNER (LE) | 1 |
| BOQUEHO | 5 |
| BORGNE (LE) | 1 |
| BOUCAM (LE) | 2 |
| BOUCHER (LE) | 1 |
| BOUCHERIE | 1 |
| BOUDER (LE) | 2 |
| BOUEDEC (LE) | 1 |
| BOUGAULT (LE) | 1 |
| BOUIL (LE) | 19 |
| BOUJAVEL | 1 |
| BOULAY | 2 |
| BOULBIN (LE) | 11 |
| BOULIC | 4 |
| BOULIOU | 10 |
| BOULLIC | 2 |
| BOULLIOU | 2 |
| BOURBIN (LE) | 2 |
| BOURCHIS (LE) | 1 |
| BOURDONNEC (LE) | 3 |
| BOUREL | 2 |
| BOURGES | 2 |
| BOURSEC (LE) | 1 |
| BOUT | 10 |
| BOZEC (LE) | 5 |
| BRAS (LE) | 3 |
| BRASIC (LE) | 3 |
| BRE | 11 |
| BREANT | 16 |
| BREE | 4 |
| BREHAN | 2 |
| BREHANT | 12 |
| BREIL DU | 1 |
| BRETEQUIN | 3 |
| BRETON (LE) | 27 |
| BRIAND | 3 |
| BRIANT | 4 |
| BRIDOU | 1 |
| BRIEN | 4 |
| BRIEND | 16 |
| BRIENT | 144 |
| BRIGAND (LE) | 1 |
| BRIGANT (LE) | 2 |
| BRIOU | 1 |
| BRIS (LE) | 16 |
| BROCHER (LE) | 7 |
| BROUDER (LE) | 4 |
| BROUSTER (LE) | 5 |
| BRUAL | 2 |
| BRUZIC | 1 |
| BUAN (LE) | 1 |
| BUCHON | 19 |
| BUDO | 1 |
| BURIERE | 1 |
| BURLOT | 1 |
| CABALA | 1 |
| CABO | 3 |
| CADELEC (LE) | 9 |
| CADELLEC (LE) | 6 |
| CAER (LE) | 6 |
| CAILLET | 3 |
| CAIN (LE) | 6 |
| CAIRE (LE) | 1 |
| CALONDERFF | 1 |
| CALVE | 9 |
| CALVE (LE) | 4 |
| CALVEZ | 2 |
| CALVEZ (LE) | 11 |
| CAM (LE) | 65 |
| CAMAR | 1 |
| CAMIO | 1 |
| CAMIOU | 2 |
| CAMUS | 2 |
| CAMUS (LE) | 1 |
| CAN (LE) | 7 |
| CAOUESSIN (LE) | 1 |
| CAOUSSIN (LE) | 2 |
| CAPITAINE (LE) | 7 |
| CARCAILLET | 8 |
| CARDUNEL (LE) | 1 |
| CARDUNER (LE) | 1 |
| CARER (LE) | 1 |
| CAREZ | 1 |
| CARIO | 8 |
| CARIOU | 96 |
| CARO | 10 |
| CAROFF | 1 |
| CAROS | 1 |
| CAROU | 1 |
| CARRO | 1 |
| CARSUNEL (LE) | 1 |
| CARTE (LA) | 1 |
| CARVENEC | 1 |
| CARVENEC (LE) | 45 |
| CARVENNEC (LE) | 51 |
| CASTAIGN (LE) | 2 |
| CASTAIN (LE) | 5 |
| CASTAING (LE) | 3 |
| CASTEL | 8 |
| CASTRAIGN (LE) | 2 |
| CASTRAIGNE (LE) | 5 |
| CASTRAIN (LE) | 19 |
| CASTRAING (LE) | 27 |
| CASTRAINGN (LE) | 2 |
| CASTRIN (LE) | 1 |
| CAULET | 2 |
| CAUSSAINT (LE) | 1 |
| CAVALAN | 18 |
| CAVALLAN | 5 |
| CAVELAN | 4 |
| CAVERO | 1 |
| CAVOSIN (LE) | 2 |
| CAVOSSIN (LE) | 2 |
| CERF (LE) | 12 |
| CERFF (LE) | 7 |
| CHA (LE) | 1 |
| CHAIX (LE) | 1 |
| CHALONNY (LE) | 1 |
| CHALONY (LE) | 2 |
| CHAMBRIN | 19 |
| CHAPEL | 4 |
| CHARLES | 1 |
| CHAUDELER (LE) | 18 |
| CHAUDELLER (LE) | 8 |
| CHE (LE) | 3 |
| CHEE (LE) | 1 |
| CHELVEDER (LE) | 2 |
| CHENAY (LE) | 1 |
| CHENE (LE) | 1 |
| CHENEZ (LE) | 3 |
| CHESNAY (LE) | 2 |
| CHEVALIER (LE) | 4 |
| CHEVALLIER (LE) | 6 |
| CHEVANCE | 4 |
| CHEVER (LE) | 20 |
| CHEVERCHE DE | 1 |
| CHEVOIR (LE) | 97 |
| CHEVOIR (LE) KE | 1 |
| CHEVRANCE | 4 |
| CHODELER (LE) | 4 |
| CHODELLER (LE) | 5 |
| CHOLLET | 1 |
| CHOUENET | 1 |
| CHOUIN | 2 |
| CHRESTEN | 1 |
| CLAUROUX | 1 |
| CLAUROUX DE | 5 |
| CLECH (LE) | 99 |
| CLECHEN (LE) | 4 |
| CLEFF (LE) | 2 |
| CLEHEN (LE) | 8 |
| CLERC (LE) | 5 |
| CLEREC | 3 |
| CLEREC (LE) | 6 |
| CLEUIOU | 2 |
| CLEUYO | 1 |
| CLEYO | 2 |
| CLOAREC (LE) | 2 |
| CLOIREC (LE) | 3 |
| CLOROUX DE | 1 |
| CLUTHOT | 1 |
| COAT (LE) | 1 |
| COATELLEC DE | 1 |
| COATTAREL DE | 3 |
| COCHARD (LE) | 19 |
| COCHART (LE) | 12 |
| COCQ (LE) | 46 |
| COETNEMPREN DE | 1 |
| COLEER (LE) | 10 |
| COLET | 20 |
| COLIN | 11 |
| COLIO | 2 |
| COLIOU | 1 |
| COLLAS | 2 |
| COLLEER (LE) | 2 |
| COLLET | 26 |
| COLLIN | 10 |
| COLLIOU | 1 |
| COLLOEC (LE) | 8 |
| COLOEC (LE) | 6 |
| COMPTE (LE) | 1 |
| COMTE (LE) | 1 |
| CONAN | 51 |
| CONEN | 20 |
| CONNAN | 17 |
| CONNEN | 7 |
| CONNIAC (LE) | 1 |
| CONNIAT (LE) | 6 |
| CONTELLEC (LE) | 8 |
| COQ (LE) | 6 |
| COQU (LE) | 13 |
| COQUIEC (LE) | 1 |
| COQUIL | 2 |
| COQUU (LE) | 8 |
| COR | 10 |
| COR (LE) | 5 |
| CORBEL | 92 |
| CORBIER | 3 |
| CORBIERE | 4 |
| CORBIN | 3 |
| CORBIOU | 1 |
| CORE | 5 |
| CORLAI | 1 |
| CORLAIX | 1 |
| CORLAY | 3 |
| CORNAU | 2 |
| CORNEC (LE) | 12 |
| CORNER (LE) | 1 |
| CORNO | 2 |
| CORNOU | 2 |
| COROUGE | 1 |
| CORRE | 10 |
| CORRE (LE) | 171 |
| CORSON | 2 |
| CORVESIER (LE) | 10 |
| CORVEZIER (LE) | 7 |
| COS | 4 |
| COS (LE) | 1 |
| COSPEN | 27 |
| COTTIN | 9 |
| COUFFON | 16 |
| COUFON | 11 |
| COUPLANT | 54 |
| COUPLENT | 4 |
| COURCOUL | 15 |
| COURQUEUX | 2 |
| COURSON | 6 |
| COURTES (LE) | 2 |
| COURTOIS (LE) | 2 |
| COUSIN | 2 |
| COVESSIN (LE) | 1 |
| COZ | 4 |
| COZ (LE) | 2 |
| COZCASTEL (LE) | 1 |
| COZLEER (LE) | 12 |
| COZLER (LE) | 4 |
| COZOU | 25 |
| CREN (LE) | 28 |
| CRENAN | 22 |
| CRENN (LE) | 5 |
| CREURER (LE) | 149 |
| CROISIC | 2 |
| CRONIN | 1 |
| CUISINEDUGUILLY | 1 |
| CUN (LE) | 21 |
| CUNCF (LE) | 1 |
| CUNF (LE) | 5 |
| CUNFF (LE) | 1 |
| DAGORN | 19 |
| DAGORNE | 6 |
| DALMAR | 4 |
| DALMART | 1 |
| DANA (LE) | 2 |
| DARSELLE | 2 |
| DAULOUDET | 1 |
| DAVA (LE) | 1 |
| DAVID | 1 |
| DAYSRE | 1 |
| DEBREIL | 1 |
| DELALANDE | 1 |
| DELOU | 1 |
| DENIS | 9 |
| DENYS | 1 |
| DERIEN | 19 |
| DERNOT | 1 |
| DERRIEN | 15 |
| DESCHAMPS | 1 |
| DESJAN | 1 |
| DESLAURIERS | 1 |
| DETAP | 1 |
| DIHOLEN (LE) | 1 |
| DIOUREN (LE) | 2 |
| DIOUREZ (LE) | 1 |
| DITEZ | 1 |
| DIVESAT (LE) | 1 |
| DOLLO | 3 |
| DOLLOU | 1 |
| DOLO | 3 |
| DOLOU | 1 |
| DOMALAIN | 1 |
| DOMALIN | 1 |
| DORE | 1 |
| DORE (LE) | 1 |
| DORIS | 1 |
| DOUAREC (LE) | 33 |
| DOUCEN (LE) | 1 |
| DREAU (LE) | 6 |
| DRENAS | 4 |
| DRENIAR (LE) | 1 |
| DREZENE DU | 1 |
| DRILLET | 7 |
| DU (LE) | 9 |
| DUAULT (LE) | 1 |
| DUFF (LE) | 3 |
| DUFRESNE | 1 |
| DULAY | 1 |
| DUMINE | 1 |
| DUPUIS | 1 |
| DURAND | 4 |
| DURET | 3 |
| ECUYER (L') | 1 |
| ELART | 1 |
| ELIEN | 6 |
| ELLIEN | 18 |
| ENTEMPL | 1 |
| EOUSAN | 1 |
| ERABY | 10 |
| ESCUYER (L') | 1 |
| ESTIEN | 1 |
| ESTIENNE | 5 |
| ETIENNE | 2 |
| EVEN | 2 |
| EVENNO | 26 |
| EVENNOU | 5 |
| EVENO | 39 |
| EVENOU | 61 |
| FAGOT (LE) | 1 |
| FARCY | 2 |
| FAREM | 2 |
| FARON | 6 |
| FAUCON | 2 |
| FAVENNEC | 2 |
| FEGER | 16 |
| FERLICOT | 1 |
| FETAR | 1 |
| FEUVRE (LE) | 4 |
| FEUVRIER | 1 |
| FEVRE (LE) | 23 |
| FEVRIER | 10 |
| FICHANT | 1 |
| FICHANT (LE) | 1 |
| FICHE DE LA | 1 |
| FICHOU | 11 |
| FILETIER (LE) | 1 |
| FIQUER | 1 |
| FITS (LE) | 1 |
| FLATTECON | 1 |
| FLEM (LE) | 34 |
| FLEURIOT | 1 |
| FLOCH (LE) | 188 |
| FLOCHMOAN (LE) | 31 |
| FLOCHMOANE (LE) | 6 |
| FLOCHMOIN (LE) | 1 |
| FLOHOU | 1 |
| FLOURIOT | 15 |
| FLOURY | 1 |
| FOCCON | 4 |
| FOCON | 1 |
| FOESON | 1 |
| FOLL | 1 |
| FOLOT | 1 |
| FORBAN | 1 |
| FORBAN (LE) | 31 |
| FORT (LE) | 3 |
| FOUGERON | 1 |
| FOUILLER (LE) | 2 |
| FOULEER (LE) | 1 |
| FOURMANGE | 7 |
| FOURMANGER | 29 |
| FRANC | 2 |
| FRANCE | 28 |
| FRANS | 13 |
| FRIEC (LE) | 3 |
| FUR (LE) | 2 |
| FURET | 1 |
| GAC (LE) | 1 |
| GAL (LE) | 29 |
| GALL (LE) | 28 |
| GALLAIS | 2 |
| GALLIC (LE) | 29 |
| GALLO (LE) | 6 |
| GALLOET | 5 |
| GALLOU (LE) | 7 |
| GALLOUET | 15 |
| GALOUET | 7 |
| GANON DE | 1 |
| GARERES (LE) | 5 |
| GARF (LE) | 9 |
| GARFF (LE) | 121 |
| GARFFIC (LE) | 1 |
| GARIC | 1 |
| GARIGNON (LE) | 23 |
| GARLOUET DU | 1 |
| GARO (LE) | 1 |
| GARRIGOT | 1 |
| GASCON (LE) | 1 |
| GAUDE | 1 |
| GAUDET | 1 |
| GAUFFENIE | 1 |
| GAULTIER | 51 |
| GAUTHIER | 1 |
| GAUTIER | 80 |
| GAZON | 1 |
| GEFFRE | 1 |
| GEFFROY | 34 |
| GEGOU | 3 |
| GELIN | 6 |
| GENDRO | 1 |
| GENDROU | 3 |
| GEORD | 2 |
| GEORT | 5 |
| GERIN | 3 |
| GESLIN | 3 |
| GICQUEL | 1 |
| GIGOREL | 1 |
| GILARD | 9 |
| GILART | 1 |
| GILLARD | 11 |
| GILLART | 3 |
| GIRAUT | 1 |
| GLEIO | 4 |
| GLEIOU | 3 |
| GLUOUT | 1 |
| GOA (LE) | 1 |
| GOALEC (LE) | 16 |
| GOALLEC (LE) | 36 |
| GOAREGUER (LE) | 2 |
| GOARIN | 6 |
| GOASCOIN (LE) | 2 |
| GOASCOING (LE) | 4 |
| GOASTINO DE | 1 |
| GOBERT | 1 |
| GODE | 1 |
| GOE (LE) | 3 |
| GOES (LE) | 6 |
| GOEZ (LE) | 2 |
| GOFF (LE) | 113 |
| GONIDEC (LE) | 76 |
| GORGET | 1 |
| GOTTER | 2 |
| GOUAREGUER (LE) | 1 |
| GOUARIN | 3 |
| GOUE (LE) | 11 |
| GOUES (LE) | 1 |
| GOUEZ (LE) | 11 |
| GOUEZOU | 5 |
| GOUGEON | 1 |
| GOUGET | 2 |
| GOUIC (LE) | 1 |
| GOUIEC | 1 |
| GOUIEC (LE) | 1 |
| GOUJON | 2 |
| GOUNIDEC (LE) | 5 |
| GOUPIL | 11 |
| GOURANTON | 1 |
| GOURIO | 1 |
| GOURIOU | 16 |
| GOURLOU (LE) | 1 |
| GOUS (LE) | 10 |
| GOUSSE (LE) | 1 |
| GOUSTEL | 1 |
| GOUSTET | 1 |
| GOUX (LE) | 14 |
| GOUZ (LE) | 13 |
| GOUZCHON (LE) | 1 |
| GRANDJAN | 1 |
| GRESOS | 4 |
| GROSOS | 4 |
| GUAER (LE) | 1 |
| GUE (LE) | 2 |
| GUEGAN | 5 |
| GUEGUEN | 1 |
| GUEN (LE) | 26 |
| GUENANEN | 27 |
| GUENEC (LE) | 4 |
| GUENGAMP | 1 |
| GUENNEC (LE) | 19 |
| GUERENEUR (LE) | 1 |
| GUERIN | 7 |
| GUERMEGUET (LE) | 1 |
| GUERNEVEZ (LE) | 5 |
| GUERVEUR (LE) | 2 |
| GUERVILLY | 11 |
| GUERVILY | 9 |
| GUERVINIAT (LE) | 1 |
| GUETTE (LE) | 1 |
| GUETTIER | 1 |
| GUEVEL (LE) | 4 |
| GUEVELLEC | 1 |
| GUEZ (LE) | 5 |
| GUEZENNEC | 2 |
| GUEZO | 7 |
| GUEZOU | 14 |
| GUIADER (LE) | 10 |
| GUIARD | 5 |
| GUIART | 9 |
| GUIBORE | 1 |
| GUIDEVAU | 12 |
| GUIDEVEAU | 2 |
| GUIDEVO | 2 |
| GUIDUHAULT | 1 |
| GUILLAUME | 7 |
| GUILLEME (LE) | 1 |
| GUILLEMOT | 23 |
| GUILLERM | 1 |
| GUILLERMIC | 1 |
| GUILLERMO | 9 |
| GUILLO | 2 |
| GUILLOSO | 1 |
| GUILLOSOU | 1 |
| GUILLOSSO | 1 |
| GUILLOSSOU | 1 |
| GUILLOU | 34 |
| GUILLOU (LE) | 1 |
| GUILLOUS (LE) | 3 |
| GUILLOUX | 5 |
| GUILLOUX (LE) | 6 |
| GUINGAMP | 3 |
| GUIOMAR | 15 |
| GUIOMARCH | 4 |
| GUIOMARD | 1 |
| GUIOT | 14 |
| GUYADER (LE) | 12 |
| GUYARD | 1 |
| GUYDEVAU | 3 |
| GUYDEVEAU | 1 |
| GUYDEVO | 1 |
| GUYOMAR | 16 |
| GUYOMARCH | 3 |
| GUYOMARD | 3 |
| GUYOMART | 2 |
| GUYOT | 5 |
| GYLART | 1 |
| GiLARD | 1 |
| HABEC | 1 |
| HACQUART | 1 |
| HAMON | 33 |
| HAMONIOU | 3 |
| HARBEC | 1 |
| HARCOAT | 3 |
| HARCOET | 1 |
| HARDY (LE) | 34 |
| HARSCOET | 133 |
| HARSCOEUT | 1 |
| HARSCOUET | 17 |
| HAUTERUE | 1 |
| HELART | 1 |
| HELARY | 84 |
| HELIEN | 1 |
| HELLARY | 26 |
| HELLO | 3 |
| HELLOU | 1 |
| HELMOT | 28 |
| HELO | 1 |
| HELOU | 1 |
| HENAF (LE) | 3 |
| HENAFF (LE) | 23 |
| HENAN (LE) | 6 |
| HENANF (LE) | 5 |
| HENAUF (LE) | 1 |
| HENRY | 40 |
| HERB | 1 |
| HERBERS | 5 |
| HERBERTZ | 2 |
| HERBERZ | 1 |
| HERISSON | 42 |
| HERMONET | 1 |
| HERMOT | 6 |
| HERNO | 1 |
| HERNOT | 1 |
| HERRY | 6 |
| HERVAU | 3 |
| HERVE | 58 |
| HERVEZ | 3 |
| HERY | 2 |
| HIDRIO | 4 |
| HIDRIOU | 3 |
| HILIEN | 3 |
| HILION | 20 |
| HILLIEN | 1 |
| HILLION | 10 |
| HILLY | 1 |
| HILY | 1 |
| HINGANT | 2 |
| HOERVE (LE) | 1 |
| HOSTELIER (L') | 5 |
| HOUART | 8 |
| HOUSSAY (LA) | 1 |
| HUET | 9 |
| HUON | 6 |
| HUONIC | 1 |
| HYDRIOU | 2 |
| ILIEN | 7 |
| ILLIEN | 11 |
| ILLY | 3 |
| ILY | 2 |
| INCONNU | 7 |
| JAC | 13 |
| JACQ | 16 |
| JACQUERIOU | 7 |
| JAFFRAY | 11 |
| JAFFRE | 2 |
| JAG | 6 |
| JAGU | 1 |
| JAILLE DE LA | 1 |
| JAN | 26 |
| JAN (LE) | 1 |
| JANNIC | 1 |
| JAOUANART | 1 |
| JAOUANNART | 3 |
| JAOUANNO | 2 |
| JAOUANNOU | 1 |
| JAOUENARD | 1 |
| JAOUENART | 2 |
| JAOUENNOU | 1 |
| JAOUENOU | 1 |
| JAOUNARD | 2 |
| JAOUNNO | 1 |
| JAUEN | 4 |
| JAUENARD | 5 |
| JAUENO | 1 |
| JAUENOU | 2 |
| JAUET | 1 |
| JAUHANNARD | 1 |
| JAUHANNO | 1 |
| JAUNEARD | 1 |
| JEAN | 5 |
| JEAN (LE) | 1 |
| JECQUEL | 4 |
| JEGO | 11 |
| JEGOU | 161 |
| JENDRO | 1 |
| JEQUEL | 13 |
| JEZEQUEL | 3 |
| JOANNARD | 1 |
| JOANNART | 1 |
| JOANNO | 3 |
| JOANNOU | 1 |
| JOLIF (LE) | 1 |
| JONARD | 1 |
| JONCOUR (LE) | 23 |
| JORD | 6 |
| JORT | 2 |
| JOS | 4 |
| JOSSE | 63 |
| JOUAN | 6 |
| JOUANARD | 7 |
| JOUANART | 4 |
| JOUANNART | 17 |
| JOUANNAU | 3 |
| JOUANNI | 1 |
| JOUANNIC | 1 |
| JOUANNO | 1 |
| JOUANNOU | 3 |
| JOUANNY | 1 |
| JOUBIN | 1 |
| JOUENARD | 4 |
| JOUENART | 3 |
| JOUENNO | 1 |
| JOUENNOU | 4 |
| JOUENO | 2 |
| JOUENOU | 2 |
| JOUET | 1 |
| JOUHAN | 1 |
| JOUHANNO | 1 |
| JOUHANNOU | 2 |
| JOUHANO | 2 |
| JOUHANOU | 1 |
| JOURAND | 3 |
| JOURNE DU | 1 |
| JOVENOU | 1 |
| JULLOU | 1 |
| JULO | 6 |
| JULOU | 5 |
| KERABY DE | 1 |
| KERAMBLOCH | 1 |
| KERARDY | 1 |
| KERAUTEN DE | 1 |
| KERBASQUER DE | 1 |
| KERBELEC | 1 |
| KERED | 1 |
| KERET | 1 |
| KERGAL | 1 |
| KERGALL | 1 |
| KERGOCQ | 1 |
| KERGUEN | 1 |
| KERGUS | 17 |
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