| Maas |
M200 |
1848 - 2000 |
Missouri |
Pat Kramer |
| Maher |
M600 |
1850-present |
Ireland; Pennsylvania; Missouri |
Mary Bridget Slatten |
| Manley |
M540 |
1900 - 1920 |
Grand Chain, Pulaski County, Illinois, Carbondale, Williamson County, Illinois |
Eloise B. Hudson Hunt |
| Mann |
M500 |
1850 - 1860 |
Williamson County, Illinois |
Julia Beck |
| Marler |
M646 |
1850-current |
Missouri |
Carole J. M. Goggin |
| Marsden |
M623 |
1850 - 1900 |
Henderson County, Illinois |
Charlene Delores Crilley |
| Marshalek |
M624 |
1850 - 1920 |
St. Louis County, Missouri |
Lynn Marie Hornecker |
| Martin |
M635 |
1808 - 1890 |
St. Louis City and County, Missouri |
Nadine McDonald |
| Masek |
M220 |
1855 - 1900 |
St. Louis, Missouri |
Madeleine A. Rielley |
| Mason |
M250 |
1800 - 1850 |
St. Louis County, Missouri |
Ronald Mason |
| Mason |
M250 |
1890 - 1905 |
St. Louis County, Missouri |
Anne M. Smith |
| Mason |
M250 |
1800 - 1850 |
Virginia, St. Louis County, Missouri |
Nicholas Smith |
| Mason |
M250 |
1826 - 1880 |
St. Charles County, Missouri |
Helen Frederick |
| Matejka |
M320 |
1871 - 2005 |
Missouri |
Joseph A. Blecha |
| Matheny |
M350 |
1750 - 1800 |
Noble County, Center TWP, Ohio |
Gregory Matheny |
| Mathews |
M320 |
1850 - 1920 |
St. Louis, Missouri |
Patricia Kuethe |
| Mathews |
M320 |
1790 - 2005 |
Vermont, New York, Ohio |
Shirley Lee Moore |
| Matthei |
M300 |
1846 - 2005 |
Chicago, Cook County, Illinois |
Sara Ann Beatty |
| Maurath |
M630 |
1600 - Present |
Baden (Black Forest), Germany, St. Louis, Missouri |
John L. Maurath |
| Maurice |
M620 |
1800's - 2005 |
St. Genevieve, St. Francois and St. Louis County, Missouri |
Bernadine L. Bishop |
| Maxwell |
M240 |
1855 - 2005 |
Perry County, Illinois |
John E. North |
| McBride |
M216 |
1900-1930 |
Tyler, Texas |
Robin Kleiboeker |
| McCammon |
M255 |
1845 - 1905 |
Iowa, Buchanan Co., Missouri |
Cora Ellen DeVinney |
| McCann |
M250 |
1800 - 1910 |
St. Louis, Missouri |
Harry J. Grossman, Jr. |
| McCartney |
M263 |
1900-1972 |
St. Louis City, Missouri |
Barbara A. Wiatt |
| McColgan |
M242 |
1880's - 1939 |
Ireland, St. Louis, Missouri |
Pamela Hipp |
| McCombs |
M251 |
1821 - 1884 |
Pennsylvania |
Robert S. Ayres |
| McCourt |
M263 |
1824 - 1860 |
St. Louis, Missouri |
Julie Chitwood |
| McCoy |
M200 |
1820-1900 |
Virginia; Oregon Co., Missouri; Wise Co., Texas |
Kathleen Williams |
| McDonnell |
M235 |
1870 - 1940 |
St. Louis, Missouri |
Carol LaPan |
| McElroy |
M246 |
1860 - 1930 |
St. Louis, Missouri |
Patricia (Meeks) Dickherber |
| McEntee |
M253 |
1850-1920 |
County Cavan, Ireland; New York City |
Brian Hickey |
| McGahan |
M250 |
1860 - 2005 |
St. Louis, Missouri |
Kathy Schroer |
| McGee |
M200 |
1868-1921 |
St. Louis, Missouri; Ireland |
John R. Vetter |
| McGilway |
M240 |
1860 - 1895 |
Ireland, St. Louis, Missouri |
Pamela Hipp |
| McGinnis |
M252 |
1850 - 1925 |
St. Louis, Missouri |
Julie Chitwood |
| McGowen |
M250 |
1970 - 1992 |
Longbranch, New Jersey, Mamouth County, New Jersey |
Helen R. Gregory |
| McGuinn |
M250 |
1840-1890 |
County Sligo, Ireland; Worcester, Massachusetts |
Brian Hickey |
| McGuire |
M260 |
1755 - 1880 |
North Carolina, Tennessee |
Arlene M. Weidinger |
| McHugh |
M220 |
1850 - 2000 |
Ireland, St. Louis, Missouri, Chicago, Illinois |
Dorothy S. Norland |
| McKellips |
M241 |
1839-1875; 1835-1839; 1800-1835 |
Illinois; New York; Vermont |
Donna Maxwell Bailey |
| McLaughlin |
M242 |
1860 - 1896 |
St. Louis, Missouri |
Nancy Mettes |
| McMeins/McMeans |
M255 |
1810-1840 |
Missouri Territory; Jeffeson Co., Missouri |
Michael J. McMeins |
| McMeins/McMeans |
M255 |
1840-1900 |
St. Louis Co., Missouri |
Michael J. McMeins |
| McNally |
M254 |
1825 - 1920 |
St. Louis, Missouri, Fond du Lac, Wisconsin |
Julie Chitwood |
| McTague |
M232 |
1870 - 1900 |
Pennsylvania |
Pat Kroeger |
| McWay |
M200 |
1840 - 1900 |
Kildare Ireland, St. Louis, Missouri |
Mary McWay Seaman |
| Mead |
M300 |
1650 - 1900 |
Indiana, New Jersey |
Linda Ruesing |
| Meehan |
M500 |
1800 - 2005 |
Dunmore, County Galway, Ireland |
Mary Eileen Romney |
| Meeks |
M200 |
1840 - 1930 |
Lawrence County, Ohio |
Patricia (Meeks) Dickherber |
| Mees |
M200 |
1860 - 1880 |
Morbach, Germany |
Robert C. Remmert |
| Mehrtens |
M635 |
1850 - 2005 |
Missouri, Illinois |
Kenneth F. Webb |
| Meier |
M600 |
1850 - 1900 |
St. Louis County, Missouri |
Earl Fink |
| Meinert |
M563 |
1855 - 1906 |
St. Louis, Missouri |
Rita Shoemaker |
| Meldrum |
M436 |
1826 - 1920 |
Greene County, Illinois, Madison County, Illinois, St. Clair County, Illinois |
William Meldrum |
| Meltzer |
M432 |
1910-current |
New York; Kansas City, Missouri |
Carole J. M. Goggin |
| Menger |
M526 |
1838 - 2005 |
Bavaria, Germany, St. Louis, Missouri |
Gail Hennecke |
| Meredyth |
M633 |
1910 - 1915 |
Erie County, New York |
Jacquelyn Heiman |
| Merritt |
M630 |
1870 - 1920 |
Dent County, Missouri |
Edward R. Mueller |
| Merse |
M620 |
1830's |
Herringhausen, Germany |
Joan Koechig |
| Mersman |
M625 |
1900 - 2000 |
Missouri |
Pat Kramer |
| Merten |
M635 |
1800-1845; 1845-1860 |
Aachen, Prussia, Germany; St. Louis, Missouri |
J. Gerald Hofer |
| Messmer |
M256 |
1835 - 2005 |
Prussia, St. Louis, Missouri |
Gail Hennecke |
| Metzger |
M326 |
1855 - 1909 |
St. Louis, Missouri, Ohio City, Wheeling, West Virginia |
John Metzger |
| Metzner |
M325 |
1880 - 1930 |
Perry County, Missouri |
Jean Warren |
| Meurer |
M660 |
1850 - 1899 |
Germany, St. Louis City and County, Missouri |
Nadine McDonald |
| Meyer |
M600 |
1890 - 1930 |
St. Louis, Missouri |
Sophie Fisher |
| Meyer |
M600 |
1840 - 1920 |
Carondelet, Missouri |
Walter A. Meyer, Jr. |
| Meyers |
M620 |
1871 - 1946 |
St. Charles, Missouri |
Diane Schulz |
| Meyrose |
M620 |
1854 - 2005 |
St. Louis, Missouri |
Barbara Schroy |
| Miller |
M460 |
1914 - 2005 |
Baltimore, Maryland |
Mary Ann Cohlman |
| Miller |
M460 |
1870 - 1897 |
Bollinger County, Missouri |
Helen R. Gregory |
| Miller |
M460 |
1866 - 1887 |
St. Louis, Missouri |
John Metzger |
| Million |
M450 |
1840 - 1940 |
St. Louis, Missouri |
Carol LaPan |
| Mills |
M420 |
1700 - 1920 |
Hancock County, Tennessee, Greene County, Missouri |
Ernest Skiles |
| Minnigerode |
M526 |
1835 - 2005 |
Hanover, Germany, St. Louis, Missouri |
Donald R. Fabian |
| Minor |
M560 |
1780 - 1850 |
Virginia, Kentucky, Marion, Missouri |
Vertrees Hood |
| Mitchell |
M324 |
1818 - 1837 |
St. Clair County, Illinois |
Georgia Munro |
| Mitchell |
M324 |
1700-1930 |
Franklin Co., North Carolina; Wilson Co., Tennessee; Williamson Co., Illinois |
Scott K. Williams |
| Mock |
M200 |
Before 1850 |
Bourbon County, Kentucky, Rush County, Indiana |
John M. Cross |
| Moellenhoff |
M451 |
1860 - 2005 |
St. Louis, Missouri |
Carol Mildred Hirsch |
| Moellinger |
M452 |
1854 - 2005 |
Missouri |
Marilyn Lane |
| Mohrmann |
M655 |
1842 - 1870 |
Monroe County, Illinois |
Edward J. Keil |
| Moll |
M400 |
1852 - 1933 |
St. Louis, Misouri |
Gordon Seyffert |
| Mollick |
M420 |
1870 - Present |
Schuler County, Missouri |
Michael G. Bergmire |
| Montani |
M535 |
1790 - 1830 |
Milano Province, Italy |
Carol G. Marlo |
| Morris |
M620 |
1810 - 1820 |
Pennsylvania |
Alvin A. Cayou |
| Morrison |
M625 |
1850 - 1860 |
Texas |
Pat Payton |
| Morton |
M635 |
1850 - 1880 |
Ballard & McCracken County, Kentucky |
Don Eckert |
| Moseman |
M255 |
1860 - 1930 |
St. Louis, Missouri |
Linda Worstell |
| Mosley |
M240 |
1830 - 2000 |
Callaway County, St. Louis, County, Missouri |
James Terry |
| Moton |
M350 |
1840 - 1920 |
New Madrid, New Madrid County, Missouri, Charleston, Mississippi County, Missouri |
Eloise B. Hudson Hunt |
| Mottin |
M350 |
1700-1800 |
Canada |
Barbara Mottin |
| Mueller |
M460 |
1830 - 1840 |
Hermann, Missouri |
Betty J. Beck |
| Mueller |
M460 |
1850 - 1960 |
St. Louis County, Missouri |
Marguerite Holdenried |
| Mueller |
M460 |
1879 - 2005 |
St. Louis, Missouri |
Edward R. Mueller |
| Mueller |
M460 |
1850 - 1900 |
Missouri |
David A. Stephens |
| Mueller/Miller |
M460 |
1870-1900 |
St. Louis City, Missouri |
Barbara A. Wiatt |
| Mulcahy |
M420 |
1805-1900 |
Thurles, Tipperary, Ireland; St. Louis, Missouri |
William J. Barrett |
| Mullane |
M450 |
1845 - 1905 |
Queenstown, Ireland, St. Louis, Missouri |
MaryAnn E. Strauss |
| Mulqueen |
M425 |
1810 - 1900 |
Ireland, Ohio, Missouri |
Frank J. Uhlenbrock |
| Murphy |
M610 |
1870 |
Kirkwood, St. Louis County, Missouri |
Betty J. Beck |
| Murphy |
M610 |
1888 - 1930 |
St. Louis County, Missouri |
Anne M. Smith |
| Musick |
M220 |
1850 - 1900 |
Missouri |
Betty Jeffrey |
| Myers |
M620 |
1700-1875 |
Pennsylvania; Virginia; West Virginia |
Karl H. Kleen |
| Neubauer |
N160 |
1874 - 1982 |
Kublsdorf, Brandenberg, Germany |
Carol A. McKay |
| Neubauer |
N160 |
1890 - 1956 |
St. Louis, Missouri |
Carol A. McKay |
| Newberry |
N160 |
1800 - 1900 |
Madison County, Missouri |
Francis J. Wagner, Jr. |
| Newbill |
N140 |
1830 - 1870 |
St. Charles, Missouri, Virginia |
Donna Kersten |
| Newell |
N400 |
1900 - 1930's |
St. Louis, Missouri, Redbud, Illinois |
Virginia Anderson |
| Newton |
N350 |
1865 - 1915 |
Maries County, Missouri |
Joyce Mercer |
| Nichols |
N242 |
1783 - 1865 |
Person County, North Carolina |
Helen Frederick |
| Nickel |
N240 |
1830 - 1900 |
Seeheim, Germany, Mascoutah, Illinois |
Sandra Bennett |
| Nicol |
N240 |
1840 - 1900 |
St. Louis County, Missouri |
Walter A. Meyer, Jr. |
| Niebling |
N145 |
1887 - 2005 |
St. Louis, Missouri |
Ruth K. Nevels |
| Niedling |
N345 |
1857 - |
Cape Girardeau, Missouri |
Norman Hente |
| Niehaus |
N200 |
1870 - 1960 |
St. Louis, Missouri |
Walter L. Pfeffer, II |
| Niemann |
N550 |
1832 - 1897 |
St. Clair County, Illinois |
Loretta M. Boemler |
| Niesen |
N250 |
1829 - 2005 |
Germany, Missouri |
Audrey E. Cross |
| Nippert |
N163 |
1881 - 1906 |
Alsace, St. Louis, Missouri |
Gerald F. Nippert |
| Noonan |
N550 |
1843 - 1874 |
Schoharic, New York |
Carol A. McKay |
| Noonan |
N550 |
1874 - 1980 |
St. Louis, Missouri |
Carol A. McKay |
| Noonan |
N550 |
1863 - 1911 |
St. Louis, Missouri |
MaryAnn E. Strauss |
| Norris |
N620 |
1900 - 1920 |
St. Louis, Missouri |
Virginia P. Thomas |