| Facher | 247 |
| Fadrhonc | 162 280 283 284 317 318 323 324 326 367 372 382 506 |
| Fahl | 303 |
| Fairbairn | 414 |
| Falkner | 293 |
| Fargher | 228 |
| Farnataro | 277 |
| Farnik | 487 |
| Farrelly | 391 418 |
| Farstein | 289 |
| Fassold | 47 |
| Fauld | 27 28 106 235 |
| Faulds | 323 381 383 384 399 |
| Fawcett | 341 |
| Fayant | 381 |
| Fegert | 248 400 |
| Ferdet | 30 |
| Ferdette | 369 |
| Fergus | 5 47 48 51 52 53 54 57 59 84 122 153 155 163 178 180 279 306 348 485 500 |
| Ferguson | 164 |
| Fessenden | 429 |
| Fezendon | 432 452 |
| Fiant | 159 333 |
| Fields | 190 257 381 382 383 384 511 |
| Filipe | 381 |
| Filipi | 161 |
| Findlay | 189 |
| Fink | 42 86 130 299 325 337 381 382 385 426 451 483 484 485 486 490 504 512 |
| Finley | 184 |
| Finn | 154 |
| Fish | 336 |
| Fisher | 276 |
| Fisk | 458 |
| Fitzgerald | 188 341 |
| Flamm | 293 |
| Flehart | 85 |
| Fleharty | 91 105 316 |
| Flesch | 391 400 501 |
| Fletcher | 172 381 446 464 |
| Flores | 511 512 |
| Floret (Pinky) | 300 301 |
| Flotlin | 164 182 |
| Flower | 158 512 |
| Fluery | 159 |
| Fogle | 62 76 79 91 122 123 248 267 318 338 381 382 501 512 |
| Folda | 161 162 167 185 318 381 |
| Follick | 289 |
| Fondi | 293 |
| Forbes | 90 |
| Ford | 30 74 98 119 140 213 443 |
| Foreshurg | 447 |
| Forgy | 47 |
| Formanack | 398 |
| Forseman | 229 236 332 400 449 489 |
| Forte | 161 380 |
| Foster | 57 58 59 244 297 333 |
| Fouch | 107 |
| Foucher | 381 |
| Foulmer | 280 |
| Fountain | 234 381 |
| Foutch | 100 |
| Fox | 154 258 259 260 270 351 381 382 384 |
| Frailey | 237 |
| Fraiser | 479 |
| Fraisier | 132 |
| Frame | 183 187 188 |
| France | 188 |
| Frances | 101 |
| Francis | 48 114 396 |
| Frank | 273 381 |
| Frankfurth | 512 |
| Franz | 221 |
| Frazer | 335 |
| Freberg | 85 |
| Fredericksen | 162 |
| Fredette | 293 380 |
| Free | 293 |
| Freed | 373 |
| Freese | 429 |
| Frehner | 73 76 |
| Fremont | 203 |
| Frickle | 505 |
| Fritche | 174 |
| Fritz | 501 |
| Fritzner | 30 252 253 258 259 260 270 392 396 411 436 437 |
| Frost | 429 |
| Frye | 293 |
| Fryman | 99 252 |
| Fuglestad | 174 400 404 |
| Fuhs | 174 |
| Fulanwider | 105 |
| Fuller | 23 180 432 433 |
| Fullmer | 452 |
| Fulton | 305 |
| Funk | 247 320 |
| Furman | 450 |
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