| famname | Location | URL | Name |
| Morris | Eng>MD>KY>IL, USA | www.geocities.com/Heartland/Valley/9249 | Larry Gyger |
| Moseley | VA>KY & ?? | www.interquest.de/~troutman/genealogy.html | Maria Troutman |
| Motley | USA>SC>KY>TN>GA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Motlow | USA>SC>KY>TN>GA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Motter | DEU>PA>IL | members.aol.com/rogercubs/index.html | Roger Cramer |
| Moyer | Geiselberg, Bayern, Germany-USA | www.ice.net/~gwmeise/ | George Meisenbach |
| Muck | MD, IL, USA | | Brian Hulleberg |
| Mueller | Mannheim, Kutschurgan, Russia>USA>Canada | www.geocities.com/Heartland/Plains/2302/miller.html | Kelly Mitchell |
| Mulienhauer | Germany>USA | www.sisna.com/jaway/ | Judy Way |
| Mullen | IRL>VT>IL | www.geocities.com/Heartland/Prairie/8652 | Kathy Mullen Hahn |
| Muller | Mannheim, Kutschurgan, Russia>USA>Canada | www.geocities.com/Heartland/Plains/2302/miller.html | Kelly Mitchell |
| Muller-Litz | Lauscha, Germany | | Miriam Grafer |
| Munger | USA>STRATFORD, CONNECTICUT>SALISBURY, NEW YORK>MICHIGAN | | K. L. |
| Muntz | Kolb,Saratov,RU>USA>WA | www.familytreemaker.com/users/g/a/r/Leona--Garcia-WA/ | Leona Kollman Garcia |
| Murch | Devon Co., England > Maine, USA | | D. Murch |