| Aasterud | 489 |
| Abbott | 66 94 452 |
| Able | 367 |
| Ackerly | 417 |
| Acosta | 503 |
| Adams | 156 157 160 166 187 188 357 359 411 419 483 499 |
| Adkins | 74 |
| Afflerback | 142 388 |
| Agnew | 161 288 430 431 |
| Aho | 293 |
| Akeley | 51 53 |
| Akerlund | 95 |
| Akerly | 245 |
| Albrecht | 254 |
| Alderson | 241 |
| Aldrick | 178 |
| Alexander | 389 400 418 425 453 |
| Alford | 429 433 441 442 445 448 458 |
| Allbough | 336 |
| Allen | 34 153 188 235 254 293 308 381 382 388 393 414 416 |
| Allyn | 157 177 178 182 |
| Amiott | 5 |
| Amyot | 325 382 |
| Anderson | 5 9 37 42 49 51 68 71 75 77 80 91 92 94 114 124 179 187 189 190 191 193 202 211 225 238 248 256 264 276 282 284 285 292 293 296 299 300 302 349 351 377 379 380 381 382 384 388 421 428 430 432 435 442 443 446 448 459 468 472 480 498 504 512 |
| Andre | 429 |
| Andres | 262 |
| Andrew | 293 |
| Andrews | 348 382 |
| Anich | 384 512 |
| Anson | 336 |
| Antonson | 273 |
| Apaski | 307 |
| Appel | 393 |
| Arduser | 203 209 215 222 226 |
| Armington | 452 |
| Armintrout | 344 |
| Armstrong | 277 |
| Arnaud | 332 |
| Arner | 218 |
| Arney | 320 393 480 |
| Aronson | 275 |
| Arthur | 80 114 |
| Asamura | 512 |
| Asbergee | 142 |
| Asbjornson | 331 |
| Ashley | 97 |
| Ashy | 293 |
| Askeland | 293 |
| Askins | 481 |
| Athearn | 261 262 271 293 340 381 429 444 456 470 476 |
| Atkinson | 12 49 |
| Atterberry | 359 |
| Atwood | 74 |
| Aualey | 380 |
| Auer | 293 |
| Austed | 172 |
| Avitt | 495 |
| Awberry | 344 |
| Ayers | 38 40 |
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