Belz 56550 - Bretagne
- Baptiste
- Barbet
- Bardet
- Barichard
- Baron
- Baudet
- Bauer
- Bauvois
- Beauchamp
- Beaupré
- Beaurain
- Bedier Lerays
- Bedouet
- Begasse
- Begoc
- Begot
- Bellec
- Belorgey
- Belzflore
- Benoist
- Bernard
- Berndt
- Bernimolin Paturieaux
- Besnard
- Bet
- Bevan
- Bian
- Bielak
- Bigi
- Billereau
- Blanquet
- Blondel
- Blosse
- Blot
- Bodevin
- Bodiou
- Boileau
- Boitel
- Boll
- Bolou
- Bonci
- Bonnec
- Bonnet
- Bonnier
- Bonniere
- Bonvalot
- Boscher
- Botherel
- Bothorel
- Boucher
- Boudot
- Bougault
- Bouilly
- Boujeant
- Boulle
- Bourbon
- Bourdon
- Bourgeault
- Bourhis
- Bourvic
- Bouvier
- Boyer
- Braconnier
- Brassart
- Breut
- Briand
- Brice
- Bringtown
- Brocq
- Bruant
- Brunou
- Buhnemann
- Buleon
- Burban
- Burgaud
- Burguy
- Busseret
- Busson
- Cail
- Cailloce
- Calloc'h
- Calvet
- Cano
- Canon
- Cappan
- Caradec
- Carballo
- Carincotte
- Cario
- Carrer
- Carroll
- Carréric
- Cartade
- Carton
- Caudan
- Cendrier
- Chabrol
- Chachay
- Chamaillard
- Champy

