Mackenbruch, Oerlinghausen
Mackinaw, Tazewell (Illinois)
Madison
Madison County, (Illinois)
Madison, Dane (Wisconsin)
Madison, Lake (South Dakota)
Maine
Makee, Allamakee (Iowa)
Malaka, Jasper (Iowa)
Malmershaupt, Extertal
Manhattan, (Kansas)
Manhattan, New York
Manhattan, Riley (Kansas)
Manitowoc County, (Wisconsin)
Manitowoc, Manitowoc (Wisconsin)
Maple Creek, Outagamie (Wisconsin)
Maplewood, (Missouri)
Maquoketa, Jackson (Iowa)
Marathon County, (Wisconsin)
Marietta, (Georgia)
Marietta, Washington (Ohio)
Marine on Saint Croix, Chisago (Minnesota)
Mariposa, Jasper (Iowa)
Marrs, Posey (Indiana)
Marschallshagen, Lichtenau
Marshall County, (Iowa)
Marshall, Saline (Missouri)
Marshfield, (Wisconsin)
Marthasville, Warren (Missouri)
Maryland
Maryland, Ogle (Illinois)
Mascoutah, St. Clair (Illinois)
Mason City, (Iowa)
Mason County, (Illinois)
Maspe, Blomberg
Massac County, Illinois
Massachusetts
Maßbach
Maßbruch
Maßbruch Amt Brake
Massillon, Stark (Ohio)
Mastholte
Matorf, Lemgo
Mayview, La Fayette (Missouri)
McConnell, Stephenson (Illinois)
McCracken, (Kentucky)
Mech
Mecklenburg
Medford, Middlesex (Massachusetts)
Medicine Creek, Furnas (Nebraska)
Meierberg, Extertal
Meiersfeld, Detmold
Meinberg, Bad, Horn-Bad Meinberg
Melbourne, Marshall (Iowa)
Melle
Melrose, (South Dakota)
Melrose, Adams (Illinois)
Mendon, Adams (Illinois)
Menkhausen, Oerlinghausen
Meramec, Jefferson (Missouri)
Merrill, (Wisconsin)
Merrimack, Hillsborough (New Hampshire)
Merseburg
Metropolis, Massac (Illinois)
Michigan
Michigan City, LaPorte (Indiana)
Middletown, Butler (Ohio)
Miles, (Texas)
Milford, Jefferson (Wisconsin)
Millport, Carbon (Pennsylvania)
Millstadt, St. Clair (Illinois)
Milwaukee, Milwaukee (Wisconsin)
Minden
Minidoka County, (Idaho)
Minier, Tazewell (Illinois)
Minneapolis, Hennepin (Minnesota)
Minnesota
Mira Loma, (Californien)
Missouri
Moberly, Randolph (Missouri)
Möllbergen
Möllenbeck
Mönchshof, Barntrup
Mönninghausen
Mollenbach
Momehnen, (Momajny)
Moniteau County, Missouri
Monroe County, (Wisconsin)
Monroe, Clark (Indiana)
Montague, Muskegon (Michigan)
Montana
Monterey, Allegan (Michigan)
Montgomery, (Missouri)
Montpelier, Muscatine (Iowa)
Moravia, Appanose (Iowa)
Moreau, Cole (Missouri)
Morrison, Brown (Wisconsin)
Morrison, Gasconade (Missouri)
Mosebeck
Mosel, Sheboygan (Wisconsin)
Moss Creek, Carroll (Missouri)
Mossenberg, Blomberg
Motley Twp., Morrison (Minnesota)
Mount Ida, Grant (Wisconsin)
Mount Pleasant, Racine (Wisconsin)
Mount Sterling, Gasconade (Missouri)
Mount Vernon, Posey (Indiana)
Mountain Lake, (Minnesota)
Mt Vernon, Posey (Indiana)
Mühlhausen
München
Münster
Müssen, Lage
Murdock, (Nebraska)
Murray, Cass (Nebraska)
Muscatine County, (Iowa)
Muscatine, Muscatine (Iowa)
