| Borquardeo | Borsdorf | Bortholf | Borton | Bosewin | Bosford | Boss |
| Bost | Bostic | Bostick | Boston | Bostwick | Boswell | Botts |
| Boudurant | Bougard | Boughney | Bouknight | Boulding | Boulesta | Boun |
| Bourguardey | Bourguardy | Bourland | Bourne | Bourquardez | Boustick | Bowan |
| Boward | Bowden | Bowdin | Bowen | Bowers | Bowlegs | Bowman |
| Bowyer | Box | Boxley | Boxx | Boyd | Boydston | Boyer |
| Boyet | Boyett | Boyette | Boyitt | Boykin | Boynton | Boyt |
| Boyte | Bozarth | Bozeman | Brables | Brace | Bracewell | Brackett |
| Brackin | Bradberry | Bradden | Braden | Bradford | Bradham | Bradley |
| Bradly | Bradow | Bradshaw | Brady | Bragdon | Bragg | Bragg, |
| Brainard | Brainerd | Braman | Bramm | Brance | Branch | Brand |
| Branden | Brandon | Branen | Braning | Brannan | Brannen | Brannin |
| Branning | Brannon | Branon | Bransford | Branson | Brantley | Branton |
| Branwell | Braswell | Bratcher | Bratten | Brau | Braun | Bravo |
| Brawdy | Braxton | Brazelton | Breaker | Brecht | Breckenridge | Breeden |
| Breen | Breeze | Breitheku | Breman | Brengle | Brenizer | Brennan |
| Brett | Bretton | Brevard | Brewer | Brewster | Brice | Brickell |
| Bride | Bridges | Bridgewater | Bridon | Briedong | Briggs | Bright |
| Brill | Brinkley | Brinson | Brinton | Britt | Briuglia | Broad |
| Broadbeck | Broadway | Broberg | Brobery | Brock | Brocker | Brockway |
| Brodie | Bronsen | Bronson | Broo | Brook | Brookbank | Brooke |
| Brooker | Brookins | Brooks | Broomall | Broome | Broughton | Brown |
| Brown, | Brownalt | Brownam | Browne | Browning | Browningo | Brownlow |
| Browns | Bruggeman | Brumlow | Brunett | Brunson | Bruton | Bryan |
| Bryant | Bryn | Bryson | Buchan | Buchanan | Buchanon | Buchans |
| Buck | Buckanan | Bucker | Buckham | Buckhanan | Buckley | Buckner |
| Buckston | Buckstone | Budd | Budell | Buey | Buffom | Buffoon |
| Bufforn | Buffrum | Buffum | Buffurn | Buhl | Buie | Bukerton |
| Bulgin | Bull | Bulloch | Bullock | Bullocks | Bunce | Bunch |
| Bunching | Bundy | Bunkley | Buntain | Bunwell | Burch | Burchard |
| Burdett | Burgess | Burgman | Burhams | Burhans | Burk | Burke |
| Burkepile | Burkhalter | Burks | Burleigh | Burleson | Burlock | Burnet |
| Burnett | Burnette | Burney | Burnham | Burns | Burnsed | Burnside |
| Burr | Burrill | Burroughs | Burson | Burthey | Burton | Burts |
| Burtz | Buruett | Busby | Bush | Bushnall | Bushnell | Bussell |
| Butler | Butt | Butterfield | Butts | Buxton | Buzby | Byeting |
| Bylascus | Bylaska | Byne | Byrd | Byrn | Byrne | C |
| Cabell | Caddin | Cahill | Cail | Cain | Caldwell | Calhoun |
| Calhoune | Callahan | Callan | Callighan | Calmes | Camac | Cambell |
| Camel | Campas | Campbell | Canaday | Canady | Canfield | Canlas |
| Cannada | Cannaday | Cannady | Canneres | Canning | Cannon | Cannons |
| Canny | Canon | Canova | Canter | Capote | Capozzi | Car |
| Caraway | Carel | Carger | Carl | Carler | Carleton | Carliff |
| Carlile | Carlise | Carlisle | Carlsen | Carlson | Carlt | Carlton |
| Carltpn | Carmichael | Carmine | Carming | Carn | Carney | Carnwell |
| Carpenter | Carr | Carrall | Carraway | Carrelton | Carrol | Carroll |
| Carron | Carson | Carter | Carton | Cartright | Cartwright | Caruthers |
| Carver | Cary | Cascott | Case | Caset | Casey | Casey, |
| Cash | Casibo | Cason | Cason Iliff | Casper | Cassady | Castel |
| Castell | Castello | Casy | Cathcart | Cathern | Cathron | Cathyo |
| Cati | Catin | Catledge | Catlett | Cato | Cattle | Cattlhana |
| Caty | Caughran | Caulkrum | Causons | Cautheran | Cauthiran | Cauthon |
| Cauthron | Cavanagh | Cawson | Cayce | Cayle | Cayson | Cayton |
| Cecil | Celec | Cerprew | Chadwell | Chadwick | Chaffin | Chain |
| Chalfen | Chalfin | Chalmers | Chamberlain | Chambers | Chancey | Chancy |
| Chandler | Chaney | Channcey | Channcy | Chapman | Charles | Charlton |
| Chase | Chasen | Chason | Chastain | Chastine | Chatman | Chavers |
| Cheatham | Cheche | Cherry | Cheshire | Chesholm | Chesser | Chester |
| Chestnut | Chestnutt | Chevalier | Cheverette | Chick | Chicouras | Chidester |
| Child | Childers | Childs | Chisholm | Chittick | Choate | Christian |
| Christie | Christmas | Christnutt | Christopher | Church | Cisnero | Clair |
| Clancy | Clanton | Clardy | Clark | Clarke | Clarkson | Clarkston |
| Clarrett | Clave | Clavel | Claville | Claxton | Clay | Clayton |
| Clement | Clements | Clemons | Clepper | Cleveland | Clevenger | Click |
| Cliffs | Clifton | Climax | Clinch | Cline | Clinton | Close |
| Cloud | Clough | Clouse | Clower | Clowers | Clurry | Clutz |