- Babbitt
- Baerman
- Bailey
- Baiza
- Baker
- Baladez
- Balderrama
- Baldwin
- Banasau
- Banks
- Banner
- Banse
- Barajas
- Barberio
- Barboza
- Barden
- Barker
- Barlow
- Barnes
- Barnett
- Baros
- Barreda
- Barrios
- Barrueta
- Bartel
- Bartell
- Bartholomew
- Bartlett
- Bass
- Bate
- Bates
- Battle
- Baumgartel
- Beasley
- Beckey
- Behnke
- Belinsky
- Belisle
- Bell
- Bella
- Bellah
- Bellamy
- Bellard
- Belletz
- Bellg
- Bellieu
- Bellinger
- Bellone
- Bellrichard
- Belovoskey
- Belton
- Beltran
- Belville
- Belvin
- Belz
- Bemporad
- Benavides
- Benavidez
- Bendele
- Bender
- Bendle
- Benedict
- Beneditz
- Beneke
- Benevidez
- Benfield
- Bengston
- Benjamin
- Benken
- Benn
- Benner
- Bennett
- Bennight
- Benson
- Bentley
- Bento
- Benton
- Berard
- Berardi
- Bercier
- Berez
- Berg
- Bergauer
- Berger
- Bergh
- Bergmann
- Bergum
- Berkey
- Berky
- Berlanga
- Berman
- Bermudez
- Bernal
- Bernard
- Bernhard
- Bernholtz
- Bernosky
- Bernstein
- Berry
- Bertagni
- Bertolacci
- Berzewski
- Besa
- Besch
- Besel
- Besich
- Besly
- Besteiro
- Beszczynski
- Betancourt
- Bethea
- Bethel
- Beuhler
- Beutnagel
- Beveridge
- Beverly
- Bevil
- Beyer
- Beza
- Bhaga
- Bhagani
- Bhakta
- Bhanot
- Biache
- Bianquini
- Biasiolli
- Biayobzcki
- Bice
- Bicoy
- Biediger
- Biegler
- Biela
- Bienfang
- Bierschwale
- Biesenbach
- Bigelow
- Biggers
- Biggs
- Bilbro
- Bilicek
- Billa
- Billbe
- Billimek
- Billings
- Billingsley
- Bilman
- Bimler
- Binford
- Bingham
- Biniewski
- Binion
- Biornstad
- Birch
- Bird
- Birdwell
- Biri
- Birmingham
- Birnkammer
- Biry
- Bisang
- Bishop
- Bissett
- Bitney
- Bitsis
- Bitter
- Bittle
- Bivins
- Bizzle
- Black
- Blackburn
- Blacklock
- Blackshear
- Blackwood
- Blaha
- Blair
- Blake
- Blakeley
- Blakeman
- Blakemore
- Blaker
- Blalock
- Blancas
- Blanchard
- Blanco
- Bland
- Blandford
- Blank
- Blankenship
- Blankley
- Blanks
- Blanton
- Blas
- Blasingame
- Blass
- Blau
- Blazich
- Blea
- Bledsoe
- Bleike
- Bless
- Blessing
- Blevins
- Blinn
- Bliquez
- Block
- Blocker
- Bloodgood
- Blount
- Blouse
- Bludau
- Blumenthal
- Blust
- Blystone
- Blythe
- Bobele
- Bocanegra
- Bock
- Bocklage
- Boddy
- Bodet
- Bodine
- Boeck
- Boeckner
- Boehl
- Boehle
- Boehm
- Boehme
- Boenig
- Boening
- Boenisch
- Boerger
- Boerm
- Boes
- Boesewetter
- Boffa
- Boffo
- Bogan
- Boggess
- Bogner
- Bohl
- Bohling
- Bohnert
- Boisvert
- Boje
- Bolado
- Boland
- Bolden
- Bolders
- Boldrick
- Bolds
- Boldt
- Boles
- Boley
- Boling
- Boll
- Bolling
- Bolt
- Bolte
- Bolton
- Bolz
- Boman
- Bomar
- Bomba
- Bombino
- Bomersbach
- Bomhack
- Bondesen
- Bondurant
- Bonewicz
- Bongiovi
- Bonham
- Bonilla
- Bonin
- Bonner
- Bonnette
- Bonnot
- Bonnville
- Bono
- Booher
- Booker
- Boone
- Booras
- Booth
- Boothe
- Booty
- Borchers
- Bordelon
- Borden
- Bordes
- Boren
- Borg
- Borjon
- Borrego
- Borrer
- Borroel
- Borth
- Bosch
- Bostick
- Botello
- Bothwell
- Botter
- Botzenhardt
- Boubel
- Bouchard
- Bouldin
- Boulet
- Boulware
- Bourdeau
- Bourgeois
- Bourgoin
- Bourland
- Boutin
- Bova
- Bovard
- Bowden
- Bowen
- Bowen-Oliver
- Bower
- Bowers
- Bowka
- Bowker
- Bowles
- Bowling
- Bowman
- Bowren
- Boyce
- Boyd
- Boyer
- Boyle
- Boysen
- Bozzo
- Bracken
- Brackey
- Bracy
- Bradberry
- Bradbury
- Braddick
- Braddock
- Bradfield
- Bradford
- Bradley
- Bradney
- Bradshaw
- Brady
- Bragd
- Bragg
- Braly
- Bramwell
- Branard
- Brand
- Brandl
- Brandt
- Branford
- Branigan
- Brann
- Brannan
- Brannen
- Bransford
- Branson
- Branstetter
- Brantley
- Branz
- Brasky
- Brassard
- Braswell
- Bratton
- Braun
- Braune
- Bravo
- Brawner
- Bray
- Brayden
- Braye
- Brazell
- Braziel
- Brazil
- Brecht
- Brehm
- Brehmer
- Breidenbach
- Breidenstein
- Breiten
- Breithaupt
- Breland
- Brell
- Bremer
- Bremner
- Brendler
- Brenek
- Brennan
- Brenner
- Breshears
- Breslin
- Brestel
- Brett
- Bretz
- Bretzke
- Brevard
- Brewer
- Brezina
- Brians
- Brice
- Bricker
- Bridgeforth
- Bridgeman
- Bridges
- Bridgewater
- Bridgman
- Briers
- Brietzke
- Brigante
- Briggs
- Brigham
- Bright
- Brightman
- Briley
- Brinegar
- Brink
- Briones
- Brisco
- Briscoe
- Briseno
- Brister
- Bristow
- Britt
- Britten
- Britton
- Brkich
- Broadus
- Brock
- Brockway
- Brodeen
- Broderick
- Brodigan
- Broft
- Brogan
- Brokaw
- Broker
- Broll
- Bromley
- Bronder
- Bronstad
- Brookes
- Brookins
- Brooks
- Broom
- Broome
- Brooner
- Brophy
- Brosch
- Brosnan
- Brosseau
- Brosted
- Brotherman
- Broussard
- Brower
- Brown
- Browne
- Brownfield
- Browning
- Brownlow
- Brownrigg
- Broyles
- Bruce
- Bruchmiller
- Bruggman
- Brulloths
- Brummel
- Brundrett
- Bruner
- Brunkenhoefer
- Brunnemann
- Bruno
- Bruns
- Brusenha
- Brushwood
- Bruznack
- Bryan
- Bryant
- Bryce
- Brymer
- Brysacz
- Brysch
- Bryson
- Buch
- Buchanan
- Buchholz
- Buchhorn
- Buck
- Buckholdt
- Buckley
- Buckner
- Bueche
- Buechner
- Buehring
- Buelter
- Bueno
- Buentello
- Buetera
- Buettner
- Buffin
- Buffington
- Bufford
- Buford
- Bugenhagen
- Bugg
- Bui
- Buitron
- Bukowski
- Buley
- Bulgrin
- Bull
- Bullock
- Bunce
- Bundick
- Bunge
- Buntley
- Bunton
- Burch
- Burchard
- Burchfield
- Burciaga
- Burge
- Burgenio
- Burger
- Burgess
- Burk
- Burke
- Burkett
- Burkhalter
- Burkhart
- Burkholder
- Burks
- Burnaford
- Burnam
- Burnett
- Burnette
- Burnham
- Burns
- Burrel
- Burrell
- Burrier
- Burriola
- Burris
- Burroughs
- Burstein
- Burton
- Burts
- Burwell
- Busacker
- Busch
- Bush
- Bushover
- Bussey
- Bussure
- Bustamante
- Bustamente
- Bustillo
- Bustillos
- Bustos
- Butcher
- Butler
- Butts
- Buu
- Buxkemper
- Byard
- Byars
- Byers
- Bynum
- Byrd
- Byrd-Carr
- Byrom
- Bys