Trégunc 29910 - Bretagne
- Boudenant
- Boudoin
- Bouedec
- Bouer
- Bougeard
- Bouhet
- Boulay
- Boulic
- Boulliat
- Bour
- Bourbigot
- Bourc'his
- Bourdin Le Moel
- Bourdon
- Bourgeais
- Bourgy
- Bourles
- Bourlès
- Bourvellec
- Bourzeix
- Bouteille
- Bouter
- Bouzec
- Boyer
- Braband
- Briard
- Briatte
- Briend
- Briffault
- Brinquin
- Briotet
- Brochard
- Broussine
- Brunel
- Brunet
- Bruno
- Bruyant
- Bréhonnet
- Bucquoy
- Burban
- Burke
- Burlot
- Butez
- Buzin
- Béghin
- Bériet
- Cabaillot
- Cadou
- Caffiers
- Calafato
- Callard
- Calloch
- Cam
- Campion
- Cancouet
- Caravati
- Cariou Le Tellier
- Cariou-fouchs
- Carlier
- Caro
- Carouer
- Carriere Moliere
- Carriou Ouarné
- Carrouer
- Castel
- Castilla
- Castric
- Castro Barea
- Caudal
- Caudiu
- Cavezian
- Cerfon
- Cerland
- Chabrolle
- Chaillon
- Chaillou
- Chaintreau
- Champay
- Champenoit
- Champion
- Chanel
- Chaney
- Charles
- Charpin
- Charton
- Chatelier
- Chater
- Chauchard
- Chaudré
- Chauvin
- Chesneau
- Chevalier
- Chevallier
- Chibanova
- Chouet
- Choussy
- Ciminato
- Claquin
- Clarus
- Claude