The 180 most-researched names
- Babcock English
- Baca Spanish
- Bacon English
- Baez Spanish
- Bailey English
- Baird Scottish
- Baker English
- Baldwin English
- Ball English
- Ballard English
- Banks English
- Banuelos Spanish
- Barajas Spanish
- Barber
- Barbosa Portuguese
- Barker English
- Barlow English
- Barnard English
- Barnes English
- Barnett English
- Barnhart
- Barr Scottish
- Barragan Spanish
- Barrera Spanish
- Barrett Irish
- Barrientos Spanish
- Barrios Spanish
- Barron English
- Barry Irish
- Bartlett English
- Barton English
- Bass English
- Bassett English
- Bateman English
- Bates English
- Batista Portuguese
- Battle English
- Bauer German
- Bautista Spanish
- Baxter English
- Beach English
- Beal English
- Bean English
- Beard English
- Beasley English
- Beatty Irish
- Beaver English
- Becerra Spanish
- Beck German
- Becker German
- Beil German
- Belcher English
- Bell Scottish
- Beltran Spanish
- Benavides Spanish
- Bender German
- Benitez Spanish
- Benjamin Jewish
- Bennett English
- Benoit French
- Benson English
- Bentley English
- Benton English
- Berg Scandinavian
- Berger German
- Bergeron French
- Bermudez Spanish
- Bernal Spanish
- Bernard German
- Berry English
- Best English
- Betancourt Spanish
- Betts English
- Beyer German
- Biggs English
- Billings English
- Bingham English
- Bird English
- Bishop English
- Black English
- Blackburn English
- Blackmon English
- Blackwell English
- Blair Scottish
- Blake English
- Blanchard French
- Blanco Spanish
- Bland English
- Blankenship English
- Blanton English
- Bledsoe English
- Blevins English
- Block German
- Bloom Jewish
- Blount English
- Blue English
- Boggs English
- Bolden English
- Bolton English
- Bond English
- Bonilla Spanish
- Bonner Scottish
- Booker English
- Boone French
- Booth English
- Boswell
- Boucher French
- Bowden English
- Bowen Welsh
- Bower English
- Bowers
- Bowles English
- Bowling English
- Bowman English
- Boyce English
- Boyd Scottish
- Boyer French
- Boyle Irish
- Bradford English
- Bradley English
- Bradshaw English
- Brady Irish
- Bragg English
- Branch English
- Brand German
- Brandon English
- Brandt German
- Brantley English
- Braun German
- Bravo Spanish
- Bray English
- Brennan Irish
- Brewer English
- Brewster English
- Bridges English
- Briggs English
- Bright English
- Brito
- Britt English
- Britton English
- Brock English
- Brooks English
- Broussard French
- Brown English
- Browne English
- Browning English
- Bruce Scottish
- Bruno Italian
- Bryan Irish
- Bryant English
- Bryson Scottish
- Buchanan Scottish
- Buck English
- Buckley Irish
- Buckner English
- Bui Vietnamese
- Bullard English
- Bullock English
- Bunch English
- Burch English
- Burger German
- Burgess English
- Burgos Spanish
- Burke Irish
- Burkett English
- Burks English
- Burnett Scottish
- Burns Scottish
- Burrell English
- Burris Scottish
- Burt English
- Burton English
- Bush English
- Bustamante Spanish
- Butcher English
- Butler English
- Butts English
- Byers Scottish
- Byrd English
- Byrne Irish
Every name starting B
The census file has many more. Choose the first two letters.