Are you looking for a list of last names beginning with A?
We’ve used the 2000 and 2010 U.S. census to compile 823 surnames that start with A and have at least one thousand bearers of the name.
In the table below, you’ll see the total number of bearers for the name in each census.
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If you don’t find a name that you’re interested in, then use our surname ranking tool which doesn’t have the 1,000 threshold.
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Index To Our Other Lists (Choose A Letter)
Last Names Starting With A
We’ve broken up this lengthy list by the first two letters to make it easier to scroll and scan.
Starting with “Aa”
| Last Name | 2000 Census | 2010 Census |
| Aaron | 14,904 | 16,276 |
| Aaronson | 1,176 | 1,171 |
| Aasen | 1,113 | 1,045 |
Starting with “Ab”
| Last Name | 2000 Census | 2010 Census |
| Abad | 4,795 | 6,446 |
| Abadie | 1,413 | 1,419 |
| Abalos | 2,037 | 2,463 |
| Abarca | 5,830 | 9,363 |
| Abate | 3,885 | 4,344 |
| Abbas | 3,199 | 4,974 |
| Abbasi | 1,611 | 2,562 |
| Abbate | 2,673 | 2,692 |
| Abbe | 1,333 | 1,368 |
| Abbey | 4,994 | 5,150 |
| Abbott | 51,620 | 52,739 |
| Abboud | 1,205 | 1,615 |
| Abdalla | 1,852 | 3,202 |
| Abdallah | 2,894 | 4,121 |
| Abdi | 2,091 | 7,484 |
| Abdo | 1,795 | 2,266 |
| Abdul | 1,525 | 1,978 |
| Abdulla | 1,145 | 1,741 |
| Abdullah | 5,859 | 8,314 |
| Abe | 2,998 | 2,938 |
| Abed | 1,071 | 1,580 |
| Abel | 18,243 | 18,464 |
| Abele | 1,547 | 1,326 |
| Abell | 6,860 | 7,339 |
| Abella | 1,785 | 2,177 |
| Abels | 1,557 | 1,562 |
| Aber | 1,446 | 1,379 |
| Abercrombie | 6,071 | 6,439 |
| Aberle | 1,586 | 1,687 |
| Abernathy | 16,194 | 16,450 |
| Abernethy | 2,612 | 2,613 |
| Abeyta | 5,635 | 6,046 |
| Abila | 1,094 | 1,379 |
| Able | 2,362 | 2,417 |
| Ables | 4,935 | 5,010 |
| Abner | 5,061 | 5,577 |
| Abney | 9,743 | 9,948 |
| Abraham | 25,729 | 31,303 |
| Abrahams | 2,437 | 2,641 |
| Abrahamson | 4,855 | 4,948 |
| Abram | 5,136 | 5,514 |
| Abramowitz | 2,133 | 2,277 |
| Abrams | 24,961 | 25,534 |
| Abramson | 4,981 | 4,875 |
| Abrego | 5,387 | 7,702 |
| Abreu | 13,012 | 17,998 |
| Abril | 1,898 | 2,379 |
| Absher | 3,254 | 3,407 |
| Abshire | 4,616 | 4,778 |
| Abston | 2,166 | 2,261 |
| Abt | 1,305 | 1,388 |
| Abundis | 1,298 | 1,796 |
| Aburto | 1,628 | 2,663 |
Starting with “Ac”
| Last Name | 2000 Census | 2010 Census |
| Accardi | 1,546 | 1,586 |
| Accardo | 1,208 | 1,228 |
| Ace | 1,054 | 1,199 |
| Acedo | 1,005 | 1,236 |
| Acero | 1,164 | 1,735 |
| Aceto | 1,163 | 1,205 |
| Acevedo | 38,232 | 51,351 |
| Aceves | 7,502 | 9,854 |
| Achenbach | 1,464 | 1,536 |
| Acheson | 1,933 | 2,075 |
| Acker | 10,273 | 10,519 |
| Ackerman | 24,862 | 25,401 |
| Ackermann | 2,264 | 2,499 |
| Ackerson | 3,191 | 3,264 |
| Ackley | 6,895 | 7,102 |
| Acklin | 2,027 | 2,209 |
| Ackman | 1,396 | 1,534 |
| Acord | 3,468 | 3,477 |
| Acosta | 76,477 | 103,418 |
| Acree | 4,322 | 4,519 |
| Acton | 4,666 | 4,892 |
| Acuff | 2,475 | 2,458 |
| Acuna | 12,537 | 16,683 |
Starting with “Ad”
| Last Name | 2000 Census | 2010 Census |
| Adair | 17,969 | 18,708 |
| Adam | 12,209 | 13,574 |
| Adamczyk | 2,741 | 2,828 |
| Adame | 11,848 | 16,193 |
| Adamek | 1,333 | 1,307 |
| Adames | 3,288 | 4,604 |
| Adamo | 3,496 | 3,647 |
| Adams | 413,086 | 427,865 |
| Adamski | 3,629 | 3,566 |
| Adamson | 16,080 | 16,515 |
| Adan | 2,517 | 3,564 |
| Aday | 1,411 | 1,439 |
| Adcock | 12,550 | 12,599 |
| Adcox | 2,072 | 2,147 |
| Addington | 4,933 | 4,968 |
| Addis | 3,378 | 3,574 |
| Addison | 16,474 | 18,169 |
| Addy | 2,532 | 2,632 |
| Ade | 1,218 | 1,418 |
| Adelman | 4,060 | 4,131 |
| Adelson | 1,230 | 1,361 |
| Aden | 2,777 | 4,705 |
| Ader | 1,414 | 1,357 |
| Adkins | 71,528 | 73,599 |
| Adkinson | 2,210 | 2,271 |
| Adkison | 2,993 | 3,196 |
| Adkisson | 2,911 | 2,972 |
| Adler | 16,305 | 16,412 |
| Admire | 1,077 | 1,067 |
| Adolph | 1,868 | 1,874 |
| Adorno | 3,171 | 3,783 |
| Adrian | 5,244 | 5,514 |
| Adriano | 1,015 | 1,486 |
| Adsit | 1,056 | 1,036 |
Starting with “Af”
| Last Name | 2000 Census | 2010 Census |
| Afonso | 1,068 | 1,233 |
Starting with “Ag”
| Last Name | 2000 Census | 2010 Census |
| Agan | 2,216 | 2,407 |
| Agar | 1,084 | 1,149 |
| Agard | 1,162 | 1,247 |
| Agarwal | 2,504 | 5,436 |
| Agee | 10,595 | 10,857 |
| Ager | 1,422 | 1,469 |
| Aggarwal | 1,363 | 2,500 |
| Agin | 1,067 | 1,052 |
| Agnello | 1,586 | 1,556 |
| Agnew | 9,644 | 9,856 |
| Agosta | 1,298 | 1,201 |
| Agostini | 1,524 | 2,038 |
| Agostino | 1,402 | 1,050 |
| Agosto | 4,519 | 5,619 |
| Agrawal | 1,753 | 3,344 |
| Aguado | 1,645 | 2,371 |
| Aguayo | 9,878 | 12,876 |
| Agudelo | 1,884 | 2,622 |
| Aguero | 4,776 | 6,402 |
| Aguiar | 7,027 | 8,390 |
| Aguila | 4,326 | 6,103 |
| Aguilar | 126,399 | 186,512 |
| Aguilera | 21,685 | 31,581 |
| Aguillard | 1,004 | 1,077 |
| Aguillon | 2,118 | 3,076 |
| Aguinaga | 3,395 | 4,818 |
| Aguinaldo | 1,124 | 1,369 |
| Aguirre | 58,918 | 79,517 |
| Agustin | 3,979 | 6,375 |
Starting with “Ah”
| Last Name | 2000 Census | 2010 Census |
| Ahart | 1,405 | 1,414 |
| Ahearn | 4,564 | 4,628 |
| Ahern | 8,046 | 8,221 |
| Ahl | 1,551 | 1,549 |
| Ahlberg | 1,096 | 1,093 |
| Ahlers | 2,740 | 2,841 |
| Ahlgren | 1,026 | 1,090 |
| Ahlquist | 1,137 | 1,170 |
| Ahlstrom | 1,683 | 1,772 |
| Ahmad | 11,395 | 16,291 |
| Ahmadi | 1,548 | 2,285 |
| Ahmed | 26,607 | 48,319 |
| Ahn | 8,130 | 10,567 |
| Aho | 3,505 | 3,872 |
| Ahrens | 9,895 | 10,182 |
| Ahuja | 1,175 | 2,031 |
| Ahumada | 3,679 | 4,937 |
Starting with “Ai”
| Last Name | 2000 Census | 2010 Census |
| Aiello | 8,883 | 8,927 |
| Aiken | 12,014 | 12,812 |
| Aikens | 4,421 | 4,936 |
| Ainslie | 1,024 | 1,013 |
| Ainsworth | 9,102 | 9,149 |
| Aispuro | 1,309 | 2,019 |
| Aitchison | 1,069 | 1,294 |
| Aitken | 4,150 | 4,347 |
Starting with “Ak”
| Last Name | 2000 Census | 2010 Census |
| Akbar | 1,886 | 2,567 |
| Ake | 1,830 | 1,904 |
| Aker | 3,152 | 3,408 |
| Akers | 24,353 | 25,290 |
| Akey | 1,220 | 1,706 |
| Akhtar | 2,445 | 4,260 |
| Akhter | 1,045 | 1,955 |
| Akin | 8,378 | 8,626 |
| Akins | 16,860 | 17,868 |
| Akridge | 1,921 | 2,076 |
Starting with “Al”
| Last Name | 2000 Census | 2010 Census |
| Alaimo | 1,976 | 2,107 |
| Alam | 4,455 | 7,932 |
| Alameda | 1,446 | 1,809 |
| Alamillo | 1,660 | 2,219 |
| Alamo | 2,636 | 3,448 |
| Alan | 1,372 | 1,423 |
| Alanis | 7,567 | 11,029 |
| Alaniz | 14,169 | 16,596 |
| Alarcon | 12,821 | 18,805 |
| Alas | 2,693 | 4,358 |
| Alatorre | 3,345 | 4,759 |
| Alba | 9,872 | 13,347 |
| Alban | 1,881 | 2,173 |
| Albanese | 6,286 | 6,407 |
| Albano | 5,440 | 5,860 |
| Albarado | 2,270 | 2,716 |
| Albarran | 4,150 | 6,366 |
| Albaugh | 3,005 | 3,094 |
| Albee | 2,317 | 2,459 |
| Alber | 1,984 | 2,023 |
| Albers | 9,531 | 9,766 |
| Alberson | 1,126 | 1,474 |
| Albert | 31,159 | 32,507 |
| Alberti | 2,466 | 2,689 |
| Alberto | 4,398 | 6,528 |
| Alberts | 6,205 | 6,229 |
| Albertson | 9,666 | 9,943 |
| Alberty | 1,143 | 1,256 |
| Albin | 4,247 | 4,273 |
| Albino | 2,745 | 3,453 |
| Albrecht | 17,256 | 17,581 |
| Albright | 24,942 | 25,189 |
| Albritton | 6,412 | 6,737 |
| Albro | 1,521 | 1,545 |
| Albury | 1,444 | 1,531 |
| Alcala | 12,972 | 17,758 |
| Alcantar | 8,802 | 12,919 |
| Alcantara | 8,112 | 12,636 |
| Alcaraz | 8,041 | 11,616 |
| Alcazar | 3,042 | 4,219 |
| Alcocer | 2,567 | 3,693 |
| Alcock | 1,303 | 1,366 |
| Alcorn | 7,716 | 7,884 |
| Alcorta | 1,365 | 1,561 |
| Alcott | 1,440 | 1,522 |
| Aldaco | 2,164 | 2,953 |
| Aldama | 1,248 | 1,845 |
| Aldana | 7,128 | 10,362 |
| Aldape | 1,700 | 2,151 |
| Alday | 2,269 | 3,145 |
| Aldaz | 1,000 | 1,044 |
| Alden | 5,524 | 5,748 |
| Alder | 3,471 | 3,885 |
| Alderete | 3,229 | 3,903 |
| Alderfer | 1,143 | 1,168 |
| Alderman | 9,734 | 10,119 |
| Alderson | 5,884 | 6,130 |
| Aldinger | 1,371 | 1,343 |
| Aldred | 1,178 | 1,199 |
| Aldrete | 1,430 | 1,830 |
| Aldrich | 17,017 | 17,509 |
| Aldridge | 22,160 | 23,034 |
| Alegre | 1,431 | 2,022 |
| Alegria | 4,406 | 6,200 |
| Alejandre | 2,960 | 4,528 |
| Alejandro | 5,847 | 7,770 |
| Alejo | 4,081 | 6,339 |
| Alejos | 1,405 | 1,908 |
| Aleman | 16,379 | 22,927 |
| Aleshire | 1,577 | 1,594 |
| Alessi | 3,334 | 3,372 |
| Alewine | 1,485 | 1,521 |
| Alex | 4,314 | 5,476 |
| Alexander | 193,443 | 204,621 |
| Alexandre | 2,843 | 4,675 |
| Alexis | 4,991 | 6,915 |
| Alfano | 4,588 | 4,724 |
| Alfaro | 24,108 | 35,725 |
| Alfieri | 2,053 | 2,092 |
| Alfonso | 9,632 | 12,246 |
| Alford | 30,050 | 30,771 |
| Alfred | 5,682 | 6,490 |
| Alfrey | 1,130 | 1,136 |
| Algarin | 1,472 | 1,768 |
| Alger | 6,047 | 6,306 |
| Ali | 36,079 | 60,002 |
| Alicea | 10,246 | 12,287 |
| Aliff | 1,426 | 1,425 |
| Alix | 1,177 | 2,027 |
| Alkire | 2,557 | 2,648 |
| Allain | 2,048 | 2,219 |
| Allaire | 1,717 | 1,823 |
| Allan | 10,746 | 11,867 |
| Allard | 9,657 | 10,047 |
| Allbright | 1,448 | 1,556 |
| Allbritton | 1,850 | 1,879 |
| Alldredge | 2,345 | 2,556 |
| Allee | 2,334 | 2,669 |
| Alleman | 3,988 | 4,318 |
| Allen | 463,368 | 482,607 |
| Allende | 1,256 | 1,760 |
| Allender | 2,262 | 2,351 |
| Allensworth | 1,275 | 1,228 |
| Aller | 1,465 | 1,385 |
| Alles | 1,380 | 1,895 |
| Alley | 14,285 | 14,323 |
| Alleyne | 3,430 | 4,163 |
| Allgood | 4,974 | 5,210 |
| Alli | 1,540 | 1,931 |
| Allie | 1,794 | 2,013 |
| Alligood | 1,816 | 1,962 |
| Alling | 1,154 | 1,300 |
| Allis | 1,234 | 1,360 |
| Allison | 51,504 | 52,701 |
| Allman | 7,879 | 7,977 |
| Allmon | 2,662 | 2,900 |
| Allmond | 1,325 | 1,370 |
| Alloway | 1,998 | 2,096 |
| Allred | 16,951 | 18,526 |
| Alls | 1,111 | 1,117 |
| Allshouse | 1,528 | 1,622 |
| Allsop | 1,047 | 1,058 |
| Allsup | 1,471 | 1,553 |
| Allums | 1,161 | 1,228 |
| Ally | 1,300 | 1,653 |
| Allyn | 1,763 | 1,823 |
| Alm | 2,023 | 2,072 |
| Almada | 1,079 | 1,265 |
| Almaguer | 4,553 | 6,023 |
| Almanza | 10,412 | 14,708 |
| Almanzar | 2,781 | 4,095 |
| Almaraz | 5,634 | 8,404 |
| Almazan | 4,304 | 6,265 |
| Almeda | 1,155 | 1,528 |
| Almeida | 13,523 | 16,760 |
| Almendarez | 3,078 | 4,415 |
| Almodovar | 3,387 | 4,112 |
| Almon | 1,585 | 1,809 |
| Almond | 6,893 | 7,188 |
| Almonte | 8,149 | 12,128 |
| Almquist | 2,041 | 2,078 |
| Almy | 1,094 | 1,137 |
| Alongi | 1,473 | 1,465 |
| Alonso | 20,802 | 30,389 |
| Alonzo | 16,326 | 20,367 |
| Alper | 1,334 | 1,297 |
| Alpert | 3,145 | 3,243 |
| Alphin | 1,031 | 1,075 |
| Alred | 1,154 | 1,164 |
| Alsip | 1,425 | 1,489 |
| Alsobrook | 1,055 | 1,076 |
| Alsop | 1,366 | 1,355 |
| Alspaugh | 1,643 | 1,632 |
| Alston | 28,089 | 30,693 |
| Alsup | 3,369 | 3,416 |
| Alt | 5,587 | 5,906 |
| Altamirano | 8,200 | 12,296 |
| Alter | 3,731 | 3,830 |
| Althaus | 1,012 | 1,057 |
| Althoff | 2,445 | 2,548 |
| Althouse | 2,047 | 2,039 |
| Altieri | 3,268 | 3,482 |
| Altizer | 2,412 | 2,533 |
| Altman | 15,916 | 16,448 |
| Altmann | 1,065 | 1,116 |
| Altomare | 1,069 | 1,069 |
| Alton | 4,204 | 4,565 |
| Alumbaugh | 1,212 | 1,223 |
| Alva | 4,573 | 6,026 |
| Alvarado | 93,723 | 133,501 |
| Alvardo | 1,324 | 1,735 |
| Alvarenga | 4,476 | 7,973 |
| Alvares | 3,687 | 3,789 |
| Alvarez | 168,817 | 233,983 |
| Alvear | 1,382 | 1,781 |
| Alverson | 3,438 | 3,456 |
| Alves | 11,326 | 13,882 |
| Alvey | 4,917 | 5,220 |
| Alvidrez | 2,030 | 2,634 |
| Alvin | 1,044 | 1,122 |
| Alvis | 3,765 | 3,936 |
| Alvizo | 1,236 | 1,773 |
| Alvord | 1,930 | 1,991 |
| Alward | 1,427 | 1,461 |
| Alwine | 1,076 | 1,085 |
| Aly | 1,278 | 1,838 |
| Alzate | 1,465 | 1,800 |
Starting with “Am”
| Last Name | 2000 Census | 2010 Census |
| Amado | 2,686 | 3,680 |
| Amador | 15,997 | 22,370 |
| Aman | 3,489 | 3,872 |
| Amann | 2,671 | 2,845 |
| Amar | 1,286 | 1,797 |
| Amaral | 8,510 | 9,567 |
| Amaro | 8,593 | 11,769 |
| Amason | 1,059 | 1,016 |
| Amato | 12,411 | 12,713 |
| Amaya | 22,149 | 33,218 |
| Amberg | 1,131 | 1,151 |
| Ambler | 1,903 | 1,966 |
| Ambriz | 7,291 | 10,445 |
| Ambrose | 16,697 | 17,178 |
| Ambrosino | 1,360 | 1,565 |
| Ambrosio | 3,039 | 3,963 |
| Amburgey | 2,962 | 3,051 |
| Amburn | 1,266 | 1,219 |
| Amen | 1,700 | 1,938 |
| Amend | 1,720 | 1,789 |
| Amendola | 2,024 | 1,977 |
| Ament | 2,244 | 2,330 |
| Amer | 1,214 | 1,481 |
| Amerson | 4,880 | 5,455 |
| Ames | 21,855 | 22,385 |
| Amey | 2,115 | 2,304 |
| Amezcua | 5,104 | 7,206 |
| Amezquita | 2,956 | 4,544 |
| Amick | 4,926 | 5,026 |
| Amico | 2,249 | 2,244 |
| Amidon | 2,238 | 2,438 |
| Amin | 7,601 | 11,137 |
| Amir | 1,051 | 1,639 |
| Amis | 1,376 | 1,530 |
| Ammann | 1,656 | 1,853 |
| Ammerman | 2,918 | 3,081 |
| Ammon | 2,595 | 2,701 |
| Ammons | 8,522 | 8,904 |
| Amodeo | 1,743 | 1,841 |
| Amon | 2,024 | 2,225 |
| Amor | 1,166 | 1,389 |
| Amore | 1,660 | 1,822 |
| Amoroso | 3,303 | 3,498 |
| Amos | 22,817 | 23,621 |
| Amparan | 1,037 | 1,319 |
| Amrhein | 1,494 | 1,560 |
| Amsden | 1,373 | 1,401 |
| Amsler | 1,045 | 1,105 |
| Amstutz | 2,283 | 2,412 |
| Amundsen | 1,857 | 1,782 |
| Amundson | 6,589 | 6,594 |
| Amy | 2,040 | 2,045 |
Starting with “An”
| Last Name | 2000 Census | 2010 Census |
| An | 5,435 | 8,160 |
| Anand | 1,958 | 3,798 |
| Anastasi | 1,343 | 1,400 |
| Anastasio | 1,609 | 1,721 |
| Anaya | 17,405 | 24,017 |
| Ancheta | 2,985 | 3,661 |
| Anchondo | 2,368 | 3,003 |
| Ancona | 1,481 | 1,567 |
| Anderegg | 1,065 | 1,080 |
| Anders | 15,375 | 15,554 |
| Andersen | 33,508 | 36,150 |
| Anderson | 762,394 | 784,404 |
| Anderton | 2,901 | 3,362 |
| Andes | 2,351 | 2,425 |
| Anding | 1,058 | 1,078 |
| Andino | 4,849 | 6,866 |
| Ando | 1,119 | 1,126 |
| Andrada | 1,117 | 1,548 |
| Andrade | 46,702 | 65,037 |
| Andre | 8,249 | 9,358 |
| Andrea | 1,470 | 1,495 |
| Andreas | 2,591 | 2,794 |
| Andreasen | 2,682 | 2,963 |
| Andree | 1,270 | 1,354 |
| Andres | 10,034 | 12,821 |
| Andresen | 3,512 | 3,662 |
| Andress | 2,946 | 3,131 |
| Andrew | 13,145 | 13,764 |
| Andrews | 129,320 | 133,799 |
| Andrus | 9,438 | 10,197 |
| Andry | 1,057 | 1,107 |
| Andrzejewski | 1,723 | 1,736 |
| Andujar | 2,914 | 3,773 |
| Anello | 1,802 | 1,968 |
| Ang | 2,562 | 3,413 |
| Ange | 1,259 | 1,275 |
| Angel | 19,316 | 24,895 |
| Angeles | 8,873 | 14,128 |
| Angelini | 1,606 | 1,648 |
| Angell | 7,010 | 7,725 |
| Angelle | 1,252 | 1,303 |
| Angelo | 7,630 | 7,728 |
| Angelone | 1,034 | 1,054 |
| Anger | 2,039 | 1,985 |
| Angle | 5,410 | 5,693 |
| Anglin | 9,694 | 10,396 |
| Angstadt | 1,157 | 1,167 |
| Anguiano | 12,006 | 16,479 |
| Angulo | 9,293 | 12,714 |
| Angus | 3,995 | 4,214 |
| Anker | 1,252 | 1,577 |
| Ankney | 1,755 | 1,834 |
| Ankrom | 1,654 | 1,727 |
| Annis | 4,544 | 4,442 |
| Annunziata | 1,544 | 1,543 |
| Ansari | 3,267 | 4,679 |
| Ansel | 1,159 | 1,037 |
| Ansell | 1,945 | 2,132 |
| Anselmo | 2,872 | 3,289 |
| Ansley | 3,462 | 3,615 |
| Anson | 3,731 | 4,079 |
| Anspach | 1,879 | 2,051 |
| Antal | 1,160 | 1,243 |
| Antes | 1,043 | 1,038 |
| Anthony | 52,146 | 55,114 |
| Antill | 1,014 | 1,024 |
| Antillon | 1,065 | 1,367 |
| Antle | 1,445 | 1,563 |
| Antley | 1,300 | 1,426 |
| Antoine | 7,606 | 9,493 |
| Anton | 6,345 | 6,823 |
| Antonacci | 1,038 | 1,073 |
| Antone | 2,913 | 3,493 |
| Antonelli | 4,339 | 4,518 |
| Antonio | 10,267 | 15,461 |
| Antonucci | 3,291 | 3,441 |
| Antony | 1,114 | 1,512 |
| Antrim | 1,575 | 1,672 |
| Antuna | 1,112 | 1,413 |
| Antunes | 1,322 | 1,770 |
| Antunez | 3,628 | 5,808 |
| Antwine | 1,153 | 1,239 |
| Anwar | 1,847 | 3,065 |
| Anzaldua | 1,982 | 2,317 |
| Anzalone | 3,478 | 3,591 |
| Anzures | 1,012 | 1,411 |
Starting with “Ao”
| Last Name | 2000 Census | 2010 Census |
| Aoki | 1,825 | 1,838 |
Starting with “Ap”
| Last Name | 2000 Census | 2010 Census |
| Aparicio | 8,587 | 13,437 |
| Apel | 1,854 | 1,919 |
| Apgar | 2,288 | 2,272 |
| Aplin | 1,054 | 1,066 |
| Apodaca | 10,054 | 11,280 |
| Apolinar | 1,346 | 2,052 |
| Aponte | 12,905 | 15,828 |
| Apostol | 1,178 | 1,531 |
| Appel | 7,934 | 7,938 |
| Appelbaum | 1,219 | 1,277 |
| Appell | 1,115 | 1,230 |
| Apperson | 2,416 | 2,016 |
| Apple | 6,898 | 6,948 |
| Applebaum | 1,785 | 1,698 |
| Applebee | 1,338 | 1,475 |
| Appleby | 5,532 | 5,556 |
| Applegate | 11,569 | 11,762 |
| Appleman | 1,319 | 1,346 |
| Appleton | 5,377 | 5,588 |
| Applewhite | 3,370 | 3,687 |
| Appling | 2,678 | 2,781 |
| April | 1,329 | 1,327 |
| Aquino | 18,472 | 25,783 |
Starting with “Ar”
| Last Name | 2000 Census | 2010 Census |
| Aragon | 20,723 | 25,801 |
| Araiza | 5,284 | 7,095 |
| Arakaki | 1,719 | 1,648 |
| Arakelian | 1,142 | 1,291 |
| Arambula | 4,367 | 5,668 |
| Arana | 6,957 | 10,698 |
| Aranda | 14,683 | 19,298 |
| Arango | 5,202 | 6,998 |
| Arant | 1,625 | 2,096 |
| Arata | 1,378 | 1,395 |
| Araujo | 12,646 | 18,856 |
| Arauz | 1,531 | 2,156 |
| Araya | 2,109 | 2,742 |
| Arbaugh | 1,626 | 1,436 |
| Arbogast | 5,428 | 5,625 |
| Arboleda | 1,618 | 2,157 |
| Arbour | 1,102 | 1,127 |
| Arbuckle | 4,284 | 4,393 |
| Arcand | 1,234 | 1,273 |
| Arce | 14,855 | 19,464 |
| Arceneaux | 5,428 | 5,818 |
| Arceo | 3,068 | 4,265 |
| Arch | 1,318 | 1,279 |
| Archambault | 4,163 | 4,391 |
| Archambeau | 1,046 | 1,055 |
| Archbold | 1,082 | 1,178 |
| Archer | 33,411 | 34,949 |
| Archey | 1,102 | 1,144 |
| Archibald | 7,794 | 8,359 |
| Archibeque | 1,349 | 1,496 |
| Archie | 6,487 | 7,035 |
| Archila | 1,085 | 1,554 |
| Archuleta | 11,978 | 13,248 |
| Arciniega | 2,632 | 3,478 |
| Arcos | 2,534 | 4,132 |
| Arcuri | 2,356 | 2,349 |
| Ard | 7,147 | 6,807 |
| Arden | 2,078 | 2,167 |
| Ardis | 1,506 | 1,580 |
| Ardito | 1,104 | 1,141 |
| Ardoin | 3,780 | 3,955 |
| Ardon | 1,522 | 2,870 |
| Arechiga | 2,531 | 3,306 |
| Arehart | 1,301 | 1,355 |
| Arellanes | 1,381 | 2,154 |
| Arellano | 34,999 | 50,104 |
| Arena | 6,421 | 6,706 |
| Arenas | 8,220 | 11,809 |
| Arencibia | 1,069 | 1,443 |
| Arend | 1,806 | 1,943 |
| Arends | 2,846 | 2,972 |
| Arendt | 2,634 | 2,646 |
| Arens | 3,067 | 3,060 |
| Arent | 1,003 | 1,186 |
| Arevalo | 15,942 | 23,895 |
| Arey | 1,601 | 1,395 |
| Argento | 1,157 | 1,221 |
| Argo | 3,707 | 3,808 |
| Arguelles | 3,475 | 4,837 |
| Arguello | 6,585 | 8,518 |
| Argueta | 9,738 | 17,540 |
| Arguijo | 1,032 | 1,280 |
| Argyle | 1,072 | 1,233 |
| Arias | 40,086 | 57,477 |
| Ariola | 1,073 | 1,122 |
| Arispe | 1,883 | 2,108 |
| Arita | 1,029 | 1,673 |
| Ariza | 2,205 | 3,316 |
| Arizmendi | 2,066 | 3,432 |
| Arjona | 1,045 | 1,388 |
| Arledge | 2,428 | 2,532 |
| Arline | 1,373 | 1,636 |
| Arman | 1,026 | 1,146 |
| Armand | 2,322 | 2,841 |
| Armas | 4,333 | 6,002 |
| Armbrust | 1,627 | 1,694 |
| Armbruster | 5,109 | 5,345 |
| Armendariz | 9,569 | 12,423 |
| Armenta | 10,542 | 15,078 |
| Armentrout | 4,047 | 4,077 |
| Armer | 1,752 | 1,862 |
| Armes | 2,821 | 2,965 |
| Armfield | 1,181 | 1,155 |
| Armijo | 7,465 | 8,372 |
| Armistead | 2,596 | 2,528 |
| Armitage | 3,935 | 4,063 |
| Armour | 7,711 | 8,139 |
| Arms | 3,877 | 3,854 |
| Armstead | 7,162 | 7,919 |
| Armstrong | 129,982 | 135,044 |
| Arnaud | 1,263 | 1,402 |
| Arndt | 14,052 | 14,031 |
| Arner | 1,293 | 1,481 |
| Arneson | 4,604 | 4,665 |
| Arnett | 16,027 | 16,499 |
| Arnette | 2,510 | 2,544 |
| Arney | 3,284 | 3,405 |
| Arno | 1,390 | 1,346 |
| Arnold | 136,315 | 138,893 |
| Arnone | 2,808 | 2,848 |
| Arnott | 2,326 | 2,394 |
| Arocha | 1,341 | 1,670 |
| Arocho | 2,236 | 2,703 |
| Aron | 2,110 | 2,455 |
| Aronson | 5,182 | 5,247 |
| Arora | 2,640 | 5,043 |
| Arp | 3,423 | 3,401 |
| Arquette | 1,086 | 1,187 |
| Arreaga | 1,040 | 1,362 |
| Arredondo | 21,785 | 29,173 |
| Arreguin | 4,406 | 6,501 |
| Arreola | 14,874 | 21,540 |
| Arriaga | 12,765 | 19,236 |
| Arriaza | 1,103 | 1,387 |
| Arrieta | 3,665 | 5,053 |
| Arrigo | 1,589 | 1,576 |
| Arrington | 21,216 | 22,840 |
| Arriola | 6,140 | 7,877 |
| Arrowood | 4,509 | 4,681 |
| Arrowsmith | 1,061 | 1,098 |
| Arroyo | 37,678 | 50,614 |
| Arruda | 4,293 | 4,532 |
| Arsenault | 8,539 | 8,760 |
| Arseneau | 1,152 | 1,196 |
| Arteaga | 13,185 | 19,410 |
| Arter | 1,810 | 1,955 |
| Arterburn | 1,161 | 1,213 |
| Arthur | 27,383 | 28,102 |
| Arthurs | 2,005 | 2,227 |
| Artiaga | 1,187 | 1,398 |
| Artiga | 1,046 | 1,504 |
| Artis | 8,835 | 9,656 |
| Artman | 2,038 | 2,081 |
| Artrip | 1,194 | 1,211 |
| Artz | 2,861 | 2,814 |
| Arvidson | 1,468 | 1,466 |
| Arvin | 2,406 | 2,357 |
| Arviso | 1,189 | 1,221 |
| Arvizu | 4,451 | 6,130 |
| Arwood | 2,081 | 2,156 |
| Ary | 1,867 | 1,648 |
| Arzate | 3,194 | 4,906 |
| Arzola | 3,433 | 4,669 |
Starting with “As”
| Last Name | 2000 Census | 2010 Census |
| Asaro | 1,884 | 1,871 |
| Asato | 1,062 | 1,041 |
| Asay | 2,131 | 2,227 |
| Asbell | 1,792 | 1,836 |
| Asberry | 2,651 | 2,781 |
| Asbury | 8,270 | 8,522 |
| Ascencio | 5,058 | 7,832 |
| Asche | 1,068 | 1,137 |
| Aschenbrenner | 1,385 | 1,472 |
| Ascher | 1,228 | 1,244 |
| Asencio | 2,386 | 3,006 |
| Ash | 20,500 | 21,030 |
| Ashbaugh | 3,072 | 3,086 |
| Ashbrook | 1,984 | 1,967 |
| Ashburn | 3,998 | 4,112 |
| Ashby | 16,723 | 17,482 |
| Ashcraft | 9,701 | 9,957 |
| Ashcroft | 1,722 | 1,775 |
| Ashe | 7,485 | 7,756 |
| Asher | 12,710 | 13,371 |
| Ashford | 8,801 | 9,421 |
| Ashley | 37,021 | 38,499 |
| Ashline | 1,105 | 1,149 |
| Ashlock | 2,659 | 2,863 |
| Ashman | 2,701 | 3,152 |
| Ashmore | 6,004 | 6,155 |
| Ashraf | 1,586 | 2,468 |
| Ashton | 11,619 | 12,263 |
| Ashworth | 10,079 | 10,116 |
| Askew | 13,095 | 13,683 |
| Askey | 1,124 | 1,138 |
| Askin | 1,161 | 1,201 |
| Askins | 3,447 | 3,569 |
| Aslam | 1,353 | 1,995 |
| Asmus | 1,985 | 1,994 |
| Aspinwall | 1,214 | 1,169 |
| Asplund | 1,166 | 1,192 |
| Assad | 1,230 | 1,400 |
| Asselin | 1,689 | 1,711 |
| Ast | 1,065 | 1,113 |
| Astacio | 1,068 | 1,457 |
| Astle | 1,335 | 1,355 |
| Aston | 3,743 | 3,937 |
| Astorga | 3,394 | 4,481 |
| Astudillo | 1,929 | 2,849 |
| Asuncion | 3,073 | 4,042 |
Starting with “At”
| Last Name | 2000 Census | 2010 Census |
| Atchison | 7,879 | 8,185 |
| Atchley | 6,244 | 6,187 |
| Aten | 1,713 | 1,888 |
| Atencio | 3,933 | 4,456 |
| Ater | 1,153 | 1,195 |
| Ates | 1,225 | 1,398 |
| Atha | 1,457 | 1,499 |
| Atherton | 6,435 | 6,466 |
| Athey | 3,073 | 3,329 |
| Atienza | 1,278 | 1,777 |
| Atilano | 1,835 | 2,665 |
| Atkin | 2,285 | 2,353 |
| Atkins | 49,754 | 51,671 |
| Atkinson | 51,489 | 53,376 |
| Atlas | 1,727 | 1,992 |
| Atnip | 1,163 | 1,132 |
| Attanasio | 1,154 | 1,150 |
| Attaway | 3,363 | 3,534 |
| Atteberry | 2,196 | 2,213 |
| Attebery | 1,077 | 1,150 |
| Atterberry | 1,717 | 1,911 |
| Atwater | 4,067 | 4,289 |
| Atwell | 8,159 | 8,622 |
| Atwood | 16,754 | 17,112 |
Starting with “Au”
| Last Name | 2000 Census | 2010 Census |
| Au | 6,177 | 7,148 |
| Aube | 1,415 | 1,391 |
| Aubert | 1,517 | 1,327 |
| Aubin | 2,892 | 3,433 |
| Aubrey | 4,320 | 4,753 |
| Aubry | 1,597 | 1,703 |
| Aubuchon | 2,659 | 2,780 |
| Auclair | 1,357 | 1,346 |
| Aucoin | 4,848 | 4,989 |
| Audet | 2,061 | 2,173 |
| Audette | 2,532 | 2,654 |
| Auer | 3,411 | 3,578 |
| Auerbach | 2,961 | 2,968 |
| Auger | 3,986 | 4,182 |
| August | 6,082 | 6,456 |
| Augusta | 1,119 | 1,028 |
| Auguste | 2,309 | 3,981 |
| Augustin | 5,731 | 7,788 |
| Augustine | 13,093 | 14,268 |
| Augustus | 2,667 | 2,988 |
| Augustyn | 1,094 | 1,314 |
| Auker | 1,170 | 1,317 |
| Auld | 2,755 | 2,798 |
| Ault | 7,673 | 7,509 |
| Aultman | 2,636 | 2,695 |
| Auman | 2,820 | 2,901 |
| Aune | 1,657 | 1,730 |
| Aungst | 1,106 | 1,194 |
| Aurand | 1,673 | 1,718 |
| Ausmus | 1,286 | 1,418 |
| Aust | 1,591 | 1,612 |
| Austin | 113,160 | 119,706 |
| Austria | 1,548 | 2,014 |
| Auten | 2,597 | 2,707 |
| Authement | 1,256 | 1,416 |
| Autrey | 3,922 | 4,177 |
| Autry | 8,321 | 8,704 |
| Auxier | 1,488 | 1,503 |
| Auyeung | 1,161 | 1,333 |
Starting with “Av”
| Last Name | 2000 Census | 2010 Census |
| Avakian | 1,146 | 1,243 |
| Avallone | 1,317 | 1,384 |
| Avalos | 25,875 | 36,922 |
| Avant | 5,040 | 5,443 |
| Avelar | 5,034 | 7,564 |
| Avellaneda | 1,235 | 2,090 |
| Avendano | 3,586 | 6,086 |
| Avent | 2,223 | 2,470 |
| Avera | 1,565 | 1,601 |
| Averett | 2,896 | 3,464 |
| Averette | 1,225 | 1,258 |
| Averill | 3,503 | 3,529 |
| Aversa | 1,217 | 1,334 |
| Avery | 37,440 | 39,564 |
| Avey | 1,682 | 1,641 |
| Avila | 69,843 | 97,314 |
| Aviles | 18,521 | 25,716 |
| Avilez | 2,477 | 3,771 |
| Avilla | 1,348 | 1,515 |
| Avina | 6,631 | 9,122 |
| Avis | 2,388 | 2,156 |
| Avitia | 3,041 | 3,745 |
Starting with “Aw”
| Last Name | 2000 Census | 2010 Census |
| Awad | 3,789 | 5,446 |
| Awan | 1,070 | 1,637 |
Starting with “Ax”
| Last Name | 2000 Census | 2010 Census |
| Axe | 1,069 | 1,175 |
| Axelrod | 2,194 | 2,185 |
| Axelson | 1,578 | 1,577 |
| Axtell | 2,827 | 2,861 |
Starting with “Ay”
| Last Name | 2000 Census | 2010 Census |
| Ayala | 66,515 | 92,463 |
| Aybar | 1,281 | 1,733 |
| Aycock | 5,439 | 5,422 |
| Ayer | 3,353 | 3,415 |
| Ayers | 38,836 | 39,623 |
| Aylor | 1,518 | 1,458 |
| Aylward | 2,032 | 2,074 |
| Ayon | 3,659 | 4,937 |
| Ayotte | 3,146 | 3,272 |
| Ayoub | 2,376 | 3,041 |
| Ayres | 10,989 | 11,139 |
| Ayscue | 1,055 | 1,148 |
Starting with “Az”
| Last Name | 2000 Census | 2010 Census |
| Azar | 2,934 | 3,365 |
| Azevedo | 5,307 | 6,014 |
| Aziz | 4,735 | 6,740 |
| Azure | 1,310 | 1,508 |
