- Babb
- Babcock
- Babes
- Baccetti
- Baccus
- Bach
- Bacharach
- Bachelder
- Backlund
- Backman
- Backschies
- Baclawski
- Bacon
- Bader
- Badgeley
- Badon
- Badran
- Bae
- Baer
- Baerny
- Baetz
- Bagby
- Bagg
- Baggett
- Bagshaw
- Bagwell
- Bahl
- Bahnick
- Bahr
- Bailey
- Bain
- Bainbridge
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- Baird
- Baisch
- Bajema
- Bak
- Bakeman
- Baker
- Bakke
- Bakken
- Baldwin
- Bale
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- Balick
- Ball
- Ballard
- Ballera
- Balliett
- Ballweg
- Balmer
- Balousek
- Balph
- Balsam
- Banchero
- Bancroft
- Baneyx
- Banfill
- Bangasser
- Bange
- Banghart
- Bani
- Banic
- Banich
- Banks
- Banner
- Bannerman
- Bannister
- Banse
- Barash
- Barbee
- Barber
- Barbieri
- Barbosa
- Barbour
- Barclay
- Barcy
- Bardue
- Bardwell
- Barei
- Barentz
- Baresh
- Barger
- Bargones
- Barhaim
- Barker
- Barkley
- Barlow
- Barma
- Barmuta
- Barnard
- Barneich
- Barnes
- Barnett
- Barnhart
- Barnum
- Barokas
- Baron
- Barone
- Baross
- Barouh
- Barr
- Barre
- Barrett
- Barrier
- Barron
- Barrow
- Barry
- Barson
- Barsy
- Bartelmes
- Bartfeld
- Barth
- Bartholomay
- Bartlett
- Bartley
- Bartol
- Barton
- Bartram
- Bartz
- Baruch
- Bascom
- Bascus
- Baserman
- Bash
- Basher
- Bashor
- Basilio
- Baskin
- Basl
- Bass
- Bassett
- Bassok
- Basson
- Batdorf
- Bateman
- Bates
- Batey
- Batie
- Batinchok
- Batt
- Battie
- Battisti
- Battson
- Bauck
- Bauer
- Baum
- Bauman
- Baumann
- Baumgardner
- Baumgartner
- Baunton
- Baur
- Bautista
- Bautsch
- Bavisotto
- Bawden
- Baxendale
- Baxter
- Bay
- Bayless
- Baylon
- Baylor
- Bayne
- Bazal
- Bazemore
- Bea
- Beach
- Beacken
- Beadie
- Beail
- Beal
- Beall
- Beals
- Beam
- Beame
- Bean
- Beard
- Bearden
- Bearse
- Beattie
- Beatty
- Beauchene
- Beaudin
- Beaudreau
- Beaulieu
- Beaumier
- Beaumont
- Beaver
- Bechtel
- Bechthold
- Bechtold
- Beck
- Becken
- Becker
- Beckerman
- Beckett
- Beckmeyer
- Beckner
- Beckton
- Beckwith
- Bedalov
- Beebe
- Beech
- Beecher
- Beeckel
- Beed
- Beedie
- Beeghly
- Beekly
- Beekman
- Beers
- Beery
- Beezer
- Behar
- Behboud
- Behler
- Beidler
- Bekele
- Bekemeyer
- Bekins
- Belanger
- Belanich
- Belben
- Belcher
- Beleford
- Belknap
- Bell
- Bellamy
- Bellan
- Bellefeuille
- Bellefuil
- Beller
- Bellia
- Bellinger
- Bellman
- Bellotto
- Bellows
- Belnap
- Belston
- Belter
- Belyea
- Belz
- Bement
- Bemowski
- Benaltabe
- Benbow
- Bender
- Benedetti
- Benedict
- Benesi
- Benett
- Benezra
- Benford
- Benge
- Bengtson
- Benirschke
- Benjamin
- Benkman
- Bennedsen
- Bennett
- Bennion
- Bennison
- Benofsky
- Benson
- Benton
- Bentson
- Benzaquen
- Beppler
- Beppu
- Berberian
- Bereiter
- Berenstain
- Beres
- Berg
- Bergamini
- Bergantz
- Berge
- Berger
- Berghuis
- Bergk
- Berglund
- Bergman
- Bergmeier
- Bergrud
- Bergstrand
- Bergstrom
- Berkbigler
- Berkedal
- Berkihiser
- Berman
- Bernard
- Bernbaum
- Berner
- Bernhagen
- Bernhard
- Bernier
- Bernson
- Berry
- Berryessa
- Berryman
- Berrysmith
- Berselli
- Berteig
- Bertollini
- Bertucci
- Berven
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- Beso
- Best
- Bethel
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- Bettis
- Betts
- Beveridge
- Bevington
- Beyer
- Beyers
- Bhagat
- Bhatia
- Bhuiyan
- Bianchi
- Bibus
- Bice
- Bichsel
- Bickford
- Bickle
- Bicknell
- Biddinger
- Bidner
- Bieberstein
- Biehl
- Biely
- Bier
- Bies
- Bigas
- Bigelow
- Biggs
- Bigham
- Bigornia
- Bigos
- Bilbo
- Billing
- Billings
- Bills
- Binder
- Bingaman
- Bingham
- Binkin
- Binuya
- Birch
- Bird
- Birkbeck
- Birkeland
- Birkhold
- Birrell
- Biscardi
- Bishop
- Bisom
- Bitenieks
- Bito
- Bittermann
- Bivens
- Bixler
- Bjerke
- Bjorke
- Bjorklund
- Bjorkness
- Black
- Blackburn
- Blackham
- Blackinton
- Blackman
- Blackmore
- Blackstone
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- Blainey
- Blair
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- Blake
- Blakemore
- Blancas
- Blanchard
- Blanchet
- Blank
- Blankenship
- Blanton
- Blassingham
- Blattenbauer
- Blayney
- Blea
- Blecken
- Bledsoe
- Bleeker
- Bleitz
- Blenman
- Blinder
- Blinne
- Bliss
- Blitzer
- Block
- Blocknia
- Blodgett
- Bloeser
- Blomdahl
- Blomquist
- Blomskog
- Blondin
- Blood
- Bloom
- Bloome
- Bloomfield
- Bloomquist
- Blosser
- Blossom
- Blue
- Bluespruce
- Blum
- Blumenthal
- Blumhagen
- Blunt
- Boad
- Boardman
- Bobo
- Bocanegra
- Boccio
- Bochon
- Bockelie
- Bocksch
- Bodden
- Bodenhamer
- Bodie
- Bodoia
- Bodourian
- Bodyfelt
- Bodzioch
- Boe
- Boehm
- Boehme
- Boehmer
- Boelman
- Boelter
- Boender
- Boersma
- Boerth
- Boese
- Boettcher
- Bogan
- Bogdanoff
- Bogdanovich
- Bogen
- Boggan
- Boggs
- Bogomilsky
- Bogstie
- Boguch
- Bohanan
- Bohrer
- Boitano
- Boivin
- Bolan
- Bolding
- Boldt
- Bolduc
- Boles
- Bolin
- Bollard
- Bollen
- Bolles
- Bolling
- Bollinger
- Bolton
- Boltz
- Bolz
- Bomberg
- Bomkamp
- Bond
- Bondarchuk
- Boneham
- Boneva
- Bonica
- Bonime
- Bonipart
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- Bonk
- Bonna
- Bonne
- Bonner
- Bonnette
- Bonney
- Boogaard
- Booher
- Book
- Booker
- Boolos
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- Boone
- Booth
- Boothby
- Booze
- Borel
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- Borgatti
- Borgmann
- Borish
- Borland
- Bornstedt
- Bornstein
- Borough
- Borracchini
- Borrell
- Borrus
- Bortvedt
- Bortz
- Bosacki
- Bosch
- Bosi
- Boss
- Bossard
- Bosselait
- Bosselman
- Boswell
- Botale-Hovivian
- Botnen
- Botte
- Botticelli
- Bottman
- Bottomly
- Bouchard
- Boullin
- Bound
- Bourda
- Bourgault
- Bourgeois
- Bouse
- Bousman
- Bouwer
- Bovy
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- Bowers
- Bowie
- Bowker
- Bowman
- Bown
- Bowne
- Bowyer
- Box
- Boyack
- Boyajian
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- Boyce
- Boyd
- Boyden
- Boydstun
- Boyer
- Boyett
- Boykin
- Boyle
- Boytz
- Braafladt
- Brace
- Bracilano
- Brack
- Bracken
- Bradburn
- Bradbury
- Braden
- Bradford
- Bradley
- Bradshaw
- Brady
- Braff
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- Braida
- Brainerd
- Braithwaite
- Branberg
- Branch
- Brandal
- Brandeberry
- Brandenburg
- Brander
- Brandolini
- Brandon
- Brandstrom
- Brandt
- Branenburg
- Branica
- Branigan
- Branley
- Brannan
- Brannon
- Bransfield
- Branson
- Brantingham
- Brashear
- Brasky
- Bratescu
- Bratsanos
- Braun
- Braund
- Braus
- Brautigam
- Braxton
- Bray
- Brazil
- Breasaw
- Brecke
- Bredeson
- Breed
- Breidenstein
- Breiger
- Breihan
- Breit
- Breitborde
- Brekke
- Brems
- Brenden
- Brennan
- Brenneman
- Brenner
- Bresee
- Breslin
- Bresslour
- Bretherton
- Brett
- Breuer
- Breuner
- Brewer
- Brewster
- Breyer
- Breyman
- Brezarich
- Brichoux
- Bricker
- Bridges
- Bridwell
- Briest
- Brigden
- Briggs
- Bright
- Brihagen
- Brim
- Brindle
- Brinkman
- Brinley
- Brinster
- Brisboy
- Brislawn
- Bristol
- Bristow
- Britten
- Brittenham
- Brittnacher
- Britton-Kouf
- Brix
- Broad
- Broadhead
- Broadus
- Brock
- Brockhaus
- Brockman
- Brockway
- Broderick
- Brodfuehrer
- Brodine
- Brodland
- Brodskaya
- Brodsky
- Brogan
- Bromberg
- Bromel
- Bronsdon
- Brook
- Brookbank
- Brooker
- Brooks
- Brookshire
- Brosseau
- Brost
- Brott
- Brough
- Brouillet
- Brouse
- Brower
- Brown
- Brownfield
- Browning
- Brownlee
- Brox
- Broxson
- Broz
- Brubeck
- Bruce
- Brucker
- Brucks
- Bruin
- Bruins
- Bruk
- Brumer
- Brundage
- Brunner
- Bruno
- Bruns
- Brush
- Brusig
- Bruvold
- Bryan
- Bryant
- Brzoska
- Bubelis
- Bubnick
- Buchan
- Buchanan
- Buchannon
- Buchholz
- Buchmann
- Buchmeier
- Buchwald
- Buck
- Bucke
- Buckingham
- Buckles
- Bucklew
- Buckley
- Bucklin
- Buckner
- Budman
- Bueler
- Buell
- Buening
- Buergel
- Buerk
- Buff
- Buffington
- Bugge
- Buhl
- Buholm
- Bui
- Bulis
- Bull
- Buller
- Bullitt
- Bullough
- Bultmann
- Bumpas
- Bunch
- Bundy
- Bune
- Bunis
- Bunje
- Bunn
- Bunting
- Buol
- Buono
- Buranich
- Burbage
- Burcham
- Burchard
- Burden
- Burdett
- Burdick
- Burdzy
- Burfect
- Burge
- Burger
- Burges
- Burgess
- Burggraff
- Burgin
- Burgy
- Burke
- Burkett
- Burkey
- Burkhalter
- Burkhart
- Burkley
- Burks
- Burleigh
- Burlingame
- Burnett
- Burnham
- Burningham
- Burns
- Buroker
- Burr
- Burrell
- Burrill
- Burris
- Burrowes
- Burrows
- Burrus
- Burton
- Burwell
- Burwick
- Bury
- Burzloff
- Busby
- Busch
- Buser
- Busey
- Bush
- Bushaw
- Bushman
- Busing
- Buskin
- Buss
- Bussell
- Bussman
- Busteed
- Busto
- Butcher
- Butler
- Butner
- Butterfield
- Butts
- Butwin
- Butzerin
- Buxbaum
- Buxton
- Buzard
- Buzzard
- Buzzell
- Buzzo
- Bybee
- Bykowski
- Bylund
- Byrne
- Byrnes
- Byron
- Byrum
- Bysshe
- Bystrom
- Byun
- Bywater