- Baad
- Babb
- Babbage
- Babbit
- Babbitt
- Babcock
- Baber
- Bache
- Bachmann
- Back
- Bacon
- Bader
- Badgett
- Baechle
- Baer
- Baete
- Bailen
- Bailey
- Bain
- Baird
- Bairnhart
- Baisch
- Baity
- Bajic
- Baker
- Balbach
- Balcombe
- Baldwin
- Bale
- Bales
- Balf
- Ball
- Ballantine
- Ballard
- Ballback
- Ballenger
- Ballew
- Balling
- Ballinger
- Ballou
- Ballow
- Balmer
- Baltzley
- Bamfoth
- Banas
- Banaszynski
- Bandy
- Banks
- Bannon
- Banta
- Baptiste
- Barabas
- Barber
- Barbour
- Barclay
- Barczy
- Bardin
- Bardsley
- Barfield
- Barger
- Bargo
- Barham
- Barker
- Barksdale
- Barley
- Barlow
- Barman
- Barmore
- Barna
- Barnes
- Barnett
- Barnette
- Barnhart
- Barnum
- Baron
- Barr
- Barrens
- Barreto
- Barrett
- Barrick
- Barrickman
- Barringer
- Barrington
- Barry
- Bart
- Barth
- Bartholomew
- Bartimus
- Bartlett
- Bartley
- Barton
- Bartsch
- Bash
- Basham
- Baskett
- Bass
- Bassett
- Bassler
- Bastian
- Bates
- Batliner
- Baton
- Batson
- Battcher
- Battle
- Bauer
- Baugher
- Baughman
- Bauhofer
- Baulding
- Baum
- Bauman
- Baumann
- Baumgardner
- Baumgart
- Baumler
- Baxter
- Bayens
- Bayers
- Bayersdorfer
- Bayes
- Beach
- Beadle
- Bealmear
- Beam
- Beams
- Beamus
- Bean
- Beard
- Bearden
- Beasley
- Beason
- Beatty
- Beauchamp
- Beauerle
- Beaven
- Beavers
- Beavin
- Becher
- Becht
- Beck
- Becker
- Beckham
- Beckman
- Beckmann
- Beckum
- Beckwith
- Bedingfield
- Beeler
- Beeson
- Beggs
- Behaine
- Beichler
- Beinkampen
- Beinlein
- Beirne
- Beisler
- Belanger
- Belcher
- Belenky
- Belew
- Beliveau
- Bell
- Bellamy
- Bellingham
- Bellucci
- Belza
- Bender
- Benge
- Benim
- Benish
- Benitez
- Benjamin
- Benmore
- Benmour
- Benn
- Benner
- Bennett
- Benninger
- Benningfield
- Bensel
- Bensing
- Bensinger
- Benson
- Bensting
- Bentley
- Benver
- Benz
- Benzick
- Beougher
- Bergamini
- Bergant
- Berge
- Berger
- Berghaus
- Bergstrom
- Bergwerk
- Berkley
- Berla
- Berman
- Bernard
- Bernardi
- Bernauer
- Bernert
- Berridge
- Berrier
- Berry
- Berryman
- Bertholf
- Bertram
- Berwager
- Berzof
- Besendorf
- Beshear
- Bessar
- Besse
- Best
- Bethards
- Bethel
- Bethge
- Bethune
- Betts
- Beury
- Beverly
- Bewley
- Beyer
- Beyerle
- Biagtan
- Biasiolli
- Bibb
- Bibbs
- Bibeau
- Bibelhauser
- Bickett
- Bidwell
- Biegert
- Bielefeld
- Biemer
- Bierbaum
- Bierman
- Biggers
- Biggs
- Biles
- Biller
- Billingsley
- Bincoe
- Bindner
- Binford
- Bingham
- Birch
- Birchler
- Bird
- Birdsong
- Birk
- Birkenfeld
- Birkhead
- Birnbaum
- Biscan
- Bischof
- Bischoff
- Bishop
- Bisig
- Bisson
- Bittorf
- Bitzer
- Bivins
- Bizot
- Bizzell
- Black
- Blackburn
- Blacketer
- Blackman
- Blackshear
- Blackthorn
- Blackwell
- Blackwood
- Blain
- Blaine
- Blair
- Blake
- Blakeley
- Blakely
- Blakeman
- Blakemore
- Blakey
- Blakney
- Bland
- Blandford
- Blanford
- Blankenbaker
- Blankenship
- Blanks
- Blanton
- Blaser
- Blasi
- Blazin
- Blazis
- Blecha
- Bledsaw
- Bledsoe
- Blesitt
- Blessinger
- Blessitt
- Bleuel
- Blevens
- Blevins
- Blincoe
- Blinn
- Block
- Blocker
- Bloom
- Bloyd
- Blue
- Blum
- Blume
- Blumer
- Blythe
- Board
- Boardman
- Boatman
- Boatwright
- Bobbitt
- Boblitt
- Bobo
- Bobrow
- Bockmon
- Bocook
- Bodenbender
- Bodi
- Bodine
- Bodner
- Bodong
- Boehnlein
- Boemker
- Boer
- Boeschel
- Bogard
- Boggess
- Boggs
- Bohanan
- Bohannon
- Bohler
- Bohn
- Bohnert
- Boicourt
- Boland
- Boldrick
- Boldt
- Bole
- Boley
- Bolin
- Boling
- Bolte
- Bolton
- Bolus
- Bomar
- Bond
- Bondehagen
- Bonin
- Bonn
- Boody
- Booher
- Booker
- Boone
- Booth
- Borden
- Borders
- Borho
- Borich
- Bormann
- Boroomand
- Bortz
- Borus
- Bosler
- Boss
- Bosse
- Bossmeyer
- Bossung
- Bostic
- Bostock
- Boston
- Boswell
- Bottom
- Botts
- Bouchard
- Boucher
- Bouhl
- Bourke
- Bourne
- Bouvette
- Bowe
- Bowen
- Bower
- Bowers
- Bowlds
- Bowles
- Bowlin
- Bowling
- Bowman
- Box
- Boyce
- Boyd
- Boyer
- Boyett
- Boylan
- Bozeman
- Bozio
- Bradbury
- Braden
- Bradford
- Brading
- Bradley
- Bradow
- Bradshaw
- Brady
- Braehler
- Brainer
- Brame
- Bramer
- Branam
- Branch
- Brand
- Brandy
- Brangers
- Branham
- Brannon
- Branson
- Brasher
- Bratcher
- Bratton
- Brauckmann
- Braun
- Brauner
- Braunsdorf
- Bravchok
- Brawner
- Braxton
- Bray
- Breckel
- Breckenridge
- Breeden
- Breeding
- Breeding-Hale
- Breen
- Breidenbach
- Breitmeyer
- Brennan
- Brenner
- Brent
- Brentlinger
- Bresee
- Breunig
- Brewer
- Brewster
- Brewton
- Brian
- Bricka
- Bridges
- Bridgewater
- Bridgewaters
- Bridwell
- Briel
- Briggs
- Bright
- Brightwell
- Brill
- Briney
- Bringardner
- Brink
- Brinke
- Brinkhaus
- Brinley
- Briscoe
- Brissette
- Britain
- Britt
- Brittle
- Broaddus
- Broaden
- Broadhead
- Broadley
- Broadus
- Brocar
- Brock
- Brockie
- Broder
- Broderick
- Broderson
- Broecker
- Brogna
- Brohm
- Brokaw
- Bromwell
- Bronner
- Bronnert
- Bronshteyn
- Bronson
- Brooks
- Broome
- Brothers
- Brotzge
- Brough
- Broughton
- Browder
- Brown
- Browne
- Brownfield
- Browning
- Brownlee
- Broyles
- Brua
- Bruce
- Bruck
- Bruederle
- Bruggenschmidt
- Bruggensmith
- Brugh
- Brumagen
- Brumback
- Brumfield
- Brumleve
- Brummett
- Bruner
- Bruning
- Brunker
- Brunner
- Brunswick
- Brunton
- Brush
- Brutscher
- Bryan
- Bryant
- Bucalos
- Buchanan
- Buchart
- Buchenberger
- Bucher
- Buchheit
- Buckel
- Buckey
- Buckingham
- Buckler
- Buckley
- Buckman
- Buckner
- Buddeke
- Buechele
- Buechler
- Buehner
- Buese
- Bui
- Bullard
- Bullen
- Bunch
- Bundrent
- Bundy
- Bunger
- Bunn
- Bunner
- Bunse
- Burbank
- Burch
- Burchett
- Burd
- Burden
- Burdette
- Burdick
- Burdine
- Burdoine
- Burell
- Buren
- Burford
- Burgan
- Burgard
- Burge
- Burgess
- Burghy
- Burgin
- Burgiss
- Burk
- Burke
- Burket
- Burkey
- Burkhardt
- Burkhart
- Burkhead
- Burkley
- Burks
- Burnett
- Burnette
- Burnham
- Burnley
- Burnoski
- Burns
- Burnside
- Burnstein
- Burrell
- Burress
- Burris
- Burroughs
- Burrus
- Burt
- Burton
- Busby
- Busch
- Buser
- Bush
- Bushnell
- Buskill
- Butcher
- Butler
- Butterfield
- Buttolph
- Button
- Butts
- Butz
- Bybee
- Byerly
- Bynum
- Byrd
- Byrne
- Byrum