| famname | Location | URL | Name |
| Flagg | Pittsylvania/Halifax County,V.A. | | Dayatra Shands |
| Flath | DE>RU | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Fleckenstein | Germany (Bavaria) | www.geocities.com/Heartland/Prairie/2089/ | Andy Barnett |
| Floth | DE>RU | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Floyd | USA | homepages.rootsweb.com/~damonf | Damon Floyd |
| Forster | DE>USA>WA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Forthuber | Baltimore,MD,USA | members.aol.com/CarlTreff/twinoaks.html | Carl Treff |
| Foster | USA>WA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Francis | USA, MI, PA, ILL, Conn, Norwich Eng | www.bright.net/~bigbronc | Charles H. Francis |
| Frandsen | Norway | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Frank | USA,VA,OH | | Marian Cullen |
| Franson | Norway | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Freistadt | Germany>Russia>Canada | www.geocities.com/Heartland/Estates/7114 | Tara Johnson |
| Freitag | Germany, DEU>TX | www.geocities.com/Heartland/Plains/1747/gen.html | David Robertson |
| Frick | DE>RU>USA>WA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |