| Name | Residence | Birth Date | Birth Place |
| MACEY, Harry Birge | Lander, WY | 10 Jul 1878 | * born United States * |
| MACEY, Howard George | Lander, WY | 24 Jul 1874 | * born United States * |
| MACFIE, Alexander | Lander, WY | 07 Jun 1888 | Rothesay, Bute, Scotland |
| MACFIE, William Hunter | Lander, WY | 18 Aug 1881 | * of Scotland * |
| MACGREGOR, Harold Alex | Riverton, WY | 19 Mar 1896 | Lawrence, MA |
| MACK, Elwin G. | Big Sandy, WY | 18 Apr 1889 | Glenrock, WY |
| MACK, Rosco Delmar | Big Sandy, WY | 05 Jul 1887 | Irvinson City, NE |
| MACKENZIE, Douglas John | Lander, WY | 15 Apr 1894 | Denver, CO |
| MACKENZIE, Neil | Moneta, WY | 31 Aug 1889 | Lochcarron, Rosshire, Scotland |
| MACKEY, Herbert C. | Lander, WY | 15 Dec 1888 | Pittsburg, PA |
| MACLEAN {MCLAIN}, John | Lander, WY | 10 Oct 1890 | Lochcarron, Ross, Scotland |
| MACPHERSON, Frederick Alexander | Shoshoni, WY | 02 Jul 1881 | * born United States * |
| MACQUEEN, Donald Angus | Lysite, WY | 30 Mar 1877 | * born United States * |
| MADDEN, Guy Everett | Lost Cabin, WY | 29 Oct 1884 | * born United States * |
| MADDEN, Henry Glenwood | Riverton, WY | 25 Feb 1894 | Casper, WY |
| MADISON, Charles P. | Wind River, WY | 02 Apr 1891 | Fadala Bay, WA |
| MAFE {MACFIE}, William | Lander, WY | 16 Sep 1886 | Clinton Co., MO |
| MAGHEE, Valliere Baldwin | Lander, WY | 31 Jul 1889 | Rawlins, WY |
| MAGLIARESE, Pasquale | Riverton, WY | 01 Apr 1888 | Licata, Sicily, Italy |
| MAGUIRE, James Elmer | Lander, WY | 12 Aug 1882 | * born United States * |
| MAHAFFEY, Nathan | Metzler, WY | 05 Nov 1887 | Berea, KY |
| MAJDIC, John | Hudson, WY | 04 Sep 1885 | * of Serbia claimed by Austria * |
| MALONEY, Sie Lee | Lander, WY | 22 Jan 1891 | Grantsville, WV |
| MANDERSON, Ora Blackman | Arapahoe, WY | 1898 | * born United States * |
| MANION, Earl John | Dallas, WY | 25 Nov 1893 | Elkton, SD |
| MANN, Arthur Sidney | Lander, WY | 02 Feb 1898 | * born United States * |
| MANN, George Anton | Lander, WY | 04 Feb 1884 | * born United States * |
| MANN, James Stanley | Lander, WY | 17 Dec 1889 | N of Lincoln, NE |
| MANN, John Russell | Lander, WY | 19 May 1877 | * born United States * |
| MANN, Robert Rollo | Lander, WY | 13 Mar 1886 | * born United States * |
| MANOWN, Benson McVay | Lander, WY | 18 Aug 1893 | Monongahela, PA |
| MANYX, Lawrence Patrick - enlisted | Riverton, WY | Nov 1889 | Rushville, IL |
| MANZANARES, Jose Abram | Hudson, WY | 03 Mar 1893 | * born United States * |
| MARBRY, William Kenneth | Enid, Garfield, OK | 07 Aug 1881 | * born United States * |
| MARCH, Harry Otto | Mason, Mason, MO | 24 Nov 1898 | * born United States * |
| MARCHETTI, Peter | Rock Springs, Sweetwater, WY | 07 Feb 1879 | * of Tirol, Austria * |
| MARGHEIM, George | Riverton, WY | 05 Dec 1880 | * of Russia * |
| MARIER, Fred | Dubois, WY | 15 Oct 1888 | Nanbinway, MI |
| MARION, William Loyd | Lander, WY | 08 Nov 1886 | Deadwood, SD |
| MARJANCEIRC, Sava | Hudson, WY | 27 Jan 1886 | * of Serbia claimed by Austria * |
| MARKLEY, Charles William | Ft. Washakie, WY | 25 Aug 1892 | Calliers, MO |
| MARKOVICH, Joe | Hudson, WY | 10 Sep 1892 | Bunich, Leka, Austria |
| MARKOVICH, Steve | Hudson, WY | 08 Oct 1891 | Bunich, Leka, Austria |
| MARKS, Ira Oliver | Riverton, WY | 18 Sep 1877 | * born United States * |
| MARRIN, John Joseph | South Pass City, WY | 08 Apr 1888 | South Pass City, WY |
| MARRS, Allen Earl | Lander, WY | 19 Nov 1897 | * born United States * |
| MARRS, Ernest Edward | Lander, WY | 03 Dec 1899 | * born United States * |
| MARSH, Elmor Hogelett | Lander, WY | 11 Feb 1883 | * born United States * |
| MARSH, Frank Victor | Lander, WY | 21 Oct 1878 | * born United States * |
| MARSHALL, Dean Ray - enlisted | Shoshoni, WY | 04 Jan 1895 | Gladstone, MI |
| MARSHALL, Ernest Tommy | Douglas, Converse, WY | 19 Feb 1883 | * born United States * |
| MARSHALL, Willard Francis | Riverton, WY | 02 Jun 1878 | * born United States * |
| MARSTON, Charles Roger | Lander, WY | 28 Feb 1897 | Cedar Rapids, IA |
| MARTEL, Joe Maria | Riverton, WY | 01 Apr 1888 | Durango City, Durango, Mexico |
| MARTIN, Albert | Dubois, WY | 22 Mar 1880 | * born United States * |
| MARTIN, Alfred Presley | Riverton, WY | 03 Sep 1889 | Newport, MO |
| MARTIN, Arthur Sylvester | Riverton, WY | 16 Aug 1878 | * born United States * |
| MARTIN, Frank | Bonneville, WY | 25 Apr 1900 | * of Mexico * |
| MARTIN, Frank Eugene | Shoshoni, WY | 08 Feb 1878 | * born United States * |
| MARTIN, Frank G. | Riverton, WY | 11 Oct 1876 | * born United States * |
| MARTIN, Frank Norman | Riverton, WY | 23 Oct 1880 | * born United States * |
| MARTIN, Lonnie - enlisted | Lander, WY | 10 Nov 1894 | Texas Creek, CO |
| MARTIN, Merritt James | Riverton, WY | 28 Sep 1874 | * born United States * |
| MARTIN, Peter Jeremiah | Rock River, WY | 06 Jan 1881 | * of Great Britian * |
| MARTIN, Robert | Hudson, WY | 15 Jun 1875 | * unknown * |
| MARTIN, Thomas Wilbert | Lander, WY | 24 Feb 1875 | * born United States * |
| MARTIN, Walter Harvey | Riverton, WY | 05 Feb 1884 | * born United States * |
| MARTINCK, John | Riverton, WY | 11 Feb 1876 | * of Austria * |
| MARTINEZ, Daniel | Lander, WY | 18 May 1871 | * of Mexico * |
| MARTINEZ, Felix | Riverton, WY | 31 Mar 1884 | * unknown * |
| MARTINEZ, Felix de Jesus | Lucero, Mora, NM | 18 May 1886 | * born United States * |
| MARTINEZ, Pascual B. | Riverton, WY | 17 May 1900 | * born United States * |
| MARTINEZE, Joe | Boysen, WY | 1895 | Yrapuato, Mexico |
| MARTINSON, John | Dubois, WY | 14 Sep 1883 | * of Russia * |
| MARVEL, Sherman Edward | Shoshoni, WY | 03 Mar 1897 | Phillips, NE |
| MASON, Andrew Jackson | Riverton, WY | 07 Sep 1885 | * born United States * |
| MASON, Byron Lincoln | Riverton, WY | 18 Sep 1881 | * born United States * |
| MASON, Elmer Monroe | Riverton, WY | 17 Jun 1893 | Beatrice, NE |
| MASON, Steven Cortez | Riverton, WY | 16 Jan 1888 | Williams, CA |
| MATEJA, Mathias | Poposia, WY | 22 Jan 1878 | * unknown * |
| MATHESON, George Bernard | Lenore, WY | 22 Jun 1876 | * born United States * |
| MATHEWS, Abe Marlin | Wind River, WY | 12 Feb 1897 | Wagoner, OK |
| MATHEWS, Frank | Riverton, WY | 30 Aug 1899 | * born United States * |
| MATHIS, Guy Berry | Boulder, WY | 09 Jun 1889 | New Virginia, IA |
| MATHIS, Roy Jasper {Joseph} | Boulder, WY | 09 Jun 1889 | New Virginia, IA |
| MATHISEN, Andrew Keyford | Dallas, WY | 06 Dec 1896 | Kansas, UT |
| MATHISEN, Chester Louis | Lander, WY | 28 Sep 1897 | * born United States * |
| MATHISEN, Samuel Nels | Dallas, WY | 19 Aug 1894 | Kansas, UT |
| MATHISEN, Walter | Lander, WY | 06 May 1899 | * born United States * |
| MATIJEVIC, Nick | Lander, WY | 01 Apr 1882 | * of Austria * |
| MATTESON, Alfred | Shoshoni, WY | 27 Apr 1882 | * born United States * |
| MATTEY, Earnest | Lander, WY | 09 Jan 1885 | * of Austria * |
| MATTISON, Cecil Everett | Riverton, WY | 04 Nov 1900 | * born United States * |
| MAXON, Harry Burton | Shoshoni, WY | 25 Dec 1875 | * born United States * |
| MAXWELL, Arthur Hall | Lander, WY | 13 Dec 1875 | * born United States * |
| MAXWELL, Clarence Oliver | Dubois, WY | 17 Aug 1874 | * born United States * |
| MAXWELL, William H. | Arapahoe, WY | 21 Aug 1889 | Newport, MO |
| MAYER, John | Riverton, WY | 16 Jun 1878 | * of Russia * |
| MCADAMS, Lanjo | Ft. Washakie, WY | 20 Aug 1898 | * born United States * |
| MCCAFFERTY, Bernard Joseph | Dubois, WY | 23 Mar 1889 | O'Neill, NE |
| MCCALL, James - enlisted | Shoshoni, WY | 11 Oct 1894 | Seattle, WA |
| MCCALL, Samuel Ray - enlisted | Riverton, WY | 04 Apr 1887 | Charlotte, NC |
| MCCARTHY, Timothy Guy | Thermopolis, Hot Springs, WY | 19 Jun 1900 | * born United States * |
| MCCARTY, John | Lovell, Big Horn, WY | 10 Sep 1881 | * unknown * |
| MCCLARY, Ord A. | Riverton, WY | 29 Nov 1884 | * born United States * |
| MCCLINTOCK, William Arthur | Riverton, WY | 15 Jun 1893 | Greeley, CO |
| MCCLOUD {MCLEOUD}, Percy | Ft. Washakie, WY | 25 Jan 1895 | Ft. Washakie, WY |
| MCCOLM, Robert Campbell | Circle, WY | 25 Dec 1882 | * of Scotland * |
| MCCORMICK, Clifford Lewis | Lander, WY | 15 Aug 1900 | * born United States * |
| MCCOUN, Leonard Turley | Lander, WY | 15 Dec 1873 | * born United States * |
| MCCOY, Clifford | Shoshoni, WY | 15 Dec 1894 | Dublin, Ireland |
| MCCOY, George William | Lander, WY | 19 May 1881 | * born United States * |
| MCCOY, Melvin | Riverton, WY | 10 Apr 1875 | * unknown * |
| MCCOY, Thomas Albert | Lander, WY | 01 Jul 1885 | * born United States * |
| MCCRAW, Charles | Lander, WY | 06 Jun 1878 | * born United States * |
| MCCRORY, Paul W. | Lander, WY | 05 Jun 1877 | * born United States * |
| MCCULLY, Salem Farris | Lander, WY | 17 Oct 1875 | * born United States * |
| MCDONALD, John Patrick | Melrose, IA | 22 Oct 1887 | Colorado Springs, CO |
| MCDOWELL, Alfred Clark | South Pass City, WY | 19 Oct 1874 | * born United States * |
| MCDOWELL, Edward F. | Dubois, WY | 24 Mar 1877 | * born United States * |
| MCDOWELL, Samuel Willard | Riverton, WY | 06 Apr 1882 | * born United States * |
| MCELFISH, Alley William | Lander, WY | 21 Feb 1875 | * born United States * |
| MCELROY, John Irvin | Circle, WY | 21 Jan 1891 | Sundance, WY |
| MCEOWEN, Walter Ray | Riverton, WY | 15 Apr 1874 | * born United States * |
| MCFADDEN, Paul Wesley | Shoshoni, WY | 21 Nov 1893 | Ft. Worth, TX |
| MCFARLANE, George | Riverton, WY | 28 Feb 1889 | Lusk, WY |
| MCFEE, Lawrence B. | Hudson, WY | 02 Feb 1891 | Bloomington, IL |
| MCGARITY, Patrick Bernard | Riverton, WY | 18 Mar 1873 | * born United States * |
| MCGEE, James Lloyd | Pavillion, WY | 06 Sep 1897 | * born United States * |
| MCGEE, William Howard | Rock River, WY | 26 Jul 1878 | * born United States * |
| MCGHEE, James | Lander, WY | 28 Aug 1884 | * born United States * |
| MCGILL, William | Shoshoni, WY | 30 Dec 1873 | * born United States * |
| MCGILP, Walter Sutherland | Salt Lake, UT | 28 Nov 1885 | * born United States * |
| MCGINTY, Augustus James | Hudson, WY | 08 Oct 1878 | * born United States * |
| MCGUINN, Guy | Lander, WY | 25 Sep 1888 | Dexter, TX |
| MCGUIRE, Matt | Ft. Washakie, WY | 14 Jun 1885 | * born United States * |
| MCINTOSH, Arthur Garfield | Split Rock, WY | 07 Jun 1880 | * born United States * |
| MCINTOSH, Levi | Boulder, WY | 24 Jan 1873 | * born United States * |
| MCINTYN, Frank Elmer | Ft. Washakie, WY | 09 Jul 1873 | * born United States * |
| MCKAY, Charles Wilbur | Lander, WY | 08 Mar 1889 | Weeping Waters, NE |
| MCKAY, Roderick | Loch Enon, Ross Shire, Scotland | 02 Sep 1889 | Loch Enon, Ross Shire, Scotland |
| MCKEE, Ernest Edward | Pinedale, WY | 01 Jan 1886 | * born United States * |
| MCKENNER, Sid D. | Riverton, WY | 09 Dec 1874 | * unknown * |
| MCKENZIE, John | Moneta, WY | 12 Nov 1881 | * of Great Britian * |
| MCKENZIE, Simon Asher | Tipperary, WY | 17 Mar 1887 | The Dells, OR |
| MCKINNEY, Lloyd Elliott | Hailey, WY | 06 Jun 1897 | WY, |
| MCKINNEY {MCKINNIE}, Earl E. | Lander, WY | 08 Sep 1895 | Lander, WY |
| MCKISSOCK, John | Circle, WY | 03 Feb 1886 | * unknown * |
| MCLAUGHLIN, James Gerrety | Pinedale, WY | 24 Dec 1884 | * born United States * |
| MCLAUGHLIN, Leo Earl | Riverton, WY | 17 Mar 1878 | * born United States * |
| MCLAUGHLIN, Ray Francis | Riverton, WY | 12 Oct 1884 | * born United States * |
| MCLAUGHLIN, William Henry | Riverton, WY | 11 Aug 1876 | * born United States * |
| MCLAUGHLIN, Worden Payne | Lander, WY | 19 May 1883 | * born United States * |
| MCLEAN, Archie | Brush, CO | 19 Sep 1896 | Lyman, CO |
| MCLEAN, George Washington | Lander, WY | 28 Feb 1889 | * born United States * |
| MCLEAN, John | Lander, WY | 22 Mar 1878 | * of Scotland * |
| MCLEARY, Edward | Poposia, WY | 22 Apr 1889 | Wausau, WI |
| MCMAHON, Raymond John | Lander, WY | 29 Sep 1882 | * born United States * |
| MCMICHEAL, Lewis | Galena, MO | 22 Jan 1888 | Big Horn, KS |
| MCNALLY, Patrick J. | Lewistown, Lewis, MO | 10 Apr 1873 | * born United States * |
| MCNAMARA, Stephen Edward | St. Stephens, WY | 22 Jan 1875 | * born United States * |
| MCPEEK, Lloyd John | Lander, WY | 17 Aug 1881 | * born United States * |
| MCPEEK, Wintferd Additon | Lander, WY | 05 Jan 1883 | * born United States * |
| MCQUEARY, Claude Edward | Tipperary, WY | 01 Mar 1884 | * born United States * |
| MCRAE, John W. | Riverton, WY | 12 Oct 1881 | * born United States * |
| MCREYNOLD, Oren Elmer | Riverton, WY | 23 Dec 1882 | * born United States * |
| MCTIGHE, John Joseph | Lander, WY | 24 Jan 1883 | * born United States * |
| MCVICKER, William Wiley | Shoshoni, WY | 01 Jul 1900 | * born United States * |
| MCWILLIAMS, John Franklin | Shoshoni, WY | 30 Jan 1881 | * born United States * |
| MEABON, Horace Vernon | Lander, WY | 19 Jun 1873 | * born United States * |
| MEAD, Harlow Dunham | Sheffield, Warren, PA | 13 Jan 1880 | * born United States * |
| MEADE, Lawrence Joseph | Pilot, WY | 17 Mar 1889 | St. Louis, MO |
| MEANS, Howard Jessie | Rawlins, Carbon, WY | 03 Apr 1885 | * born United States * |
| MEASE, Aubrey Abel | Metzler, WY | 12 Sep 1878 | * born United States * |
| MECHAN, Lester Marion | Shoshoni, WY | 27 Jan 1894 | Robison, KS |
| MEDEN, Frank | Hudson, WY | 04 Oct 1878 | * of Austria * |
| MEEHAN, John David | Riverton, WY | 19 Jul 1883 | * born United States * |
| MEEKS, George Wylie | Hudson, WY | 01 Jun 1883 | * born United States * |
| MEEKS, Lewis Edward | Ft. Washakie, WY | 09 Apr 1885 | * born United States * |
| MEEKS, Thomas Hollis Elmer | Hudson, WY | 04 Aug 1888 | Midway, UT |
| MEGOWN, Alva Dana | Riverton, WY | 14 Oct 1878 | * born United States * |
| MEGOWN, Homer Truesdale | Riverton, WY | 27 Apr 1894 | Elsberry, MO |
| MEGOWN, James Victor | Lander, WY | 07 Sep 1880 | * born United States * |
| MEGOWN, Samuel Harrison | Riverton, WY | 15 Sep 1888 | New Loudon, MO |
| MEIGH, Robert John | Moneta, WY | 01 May 1881 | * born United States * |
| MEINERTSEN, Frederick Mathinus | Shoshoni, WY | 17 Nov 1890 | St. Fostrup, Halbak, Denmark |
| MELSON, Marvin Allen | Lander, WY | 24 Aug 1886 | Salisbury, MD |
| MEREDITH, Frank Sperry | Lander, WY | 16 Oct 1885 | * born United States * |
| MEREDITH, George Elmer | Lander, WY | 01 May 1893 | Clifton, ID |
| MEREDITH, John Edward | Hailey, WY | 24 Apr 1889 | Clifton, ID |
| MERSHON, Clarence Nathaniel | Cora, WY | 17 Feb 1885 | * born United States * |
| MERSHON, Horace V. | Cora, WY | 20 Jun 1888 | Newton, IA |
| MESZAROSCH, Josef | Lander, WY | 19 Mar 1890 | Semling, Hungary, Austria |
| METY, Charles Paxson | Lysite, WY | 04 Jan 1880 | * born United States * |
| METZLER, Adam Elbert | Riverton, WY | 03 Mar 1874 | * born United States * |
| METZLER, Frederick Charles | Metzler, WY | 18 Mar 1881 | * born United States * |
| METZLER, Herman | Metzler, WY | 27 Feb 1895 | Akron, CO |
| METZLER, John Henry | Metzler, WY | 05 Sep 1877 | * born United States * |
| METZLER, Robert M. | Metzler, WY | 10 Jul 1890 | Akron, CO |
| MEYER, William Fred | Riverton, WY | 03 Aug 1893 | Fayette, IL |
| MEYERS {MYERS}, Lee R. | Lander, WY | 10 Oct 1886 | Lander, WY |
| MICHAEL, John William | Riverton, WY | 16 Dec 1874 | * born United States * |
| Michels, Frank Archibald | Riverton, WY | 16 Apr 1889 | Hartington, NE |
| MICHOLSON, Frank Seward | Shoshoni, WY | 16 May 1892 | Kanawha, IA |
| MIDDLEKAUFF, Oliver Lee | Lander, WY | 03 Mar 1875 | * born United States * |
| MIDTHUN, Gerliard Johan | Lander, WY | 24 Oct 1883 | * unknown * |
| MILES, Latham Orseomes | Ethete, WY | 13 Jun 1882 | * born United States * |
| MILLAR, Thomas Duncan | Poposia, WY | 29 Jun 1876 | * unknown * |
| MILLARD, Byron | Hudson, WY | 29 Dec 1899 | * born United States * |
| MILLARD, Lyle A. | Hudson, WY | 29 Sep 1891 | Clifton, KS |
| MILLARD, Rolland Elroy | Hudson, WY | 26 Aug 1886 | Clifton, KS |
| MILLARD, Walter | Dubois, WY | 11 Jun 1884 | * born United States * |
| MILLER, Addison Carl | Riverton, WY | 19 Apr 1899 | * born United States * |
| MILLER, Alfred Augustus | Boulder, WY | 08 Nov 1880 | * born United States * |
| MILLER, Charles Lawrence | Riverton, WY | 14 Feb 1876 | * born United States * |
| MILLER, Claude C. | Boulder, WY | 26 Oct 1894 | Cliff, ID |
| MILLER, Clifford Albert | Dallas, WY | 12 Nov 1890 | Hemingford, NE |
| MILLER, Cloyd L. {Clyde} | Lenore, WY | 29 Mar 1888 | Hickory, NC |
| MILLER, Franklin Harrison | Shoshoni, WY | 05 Sep 1877 | * born United States * |
| MILLER, Fred John | Lander, WY | 07 Jun 1881 | * born United States * |
| MILLER, Fred N. | Hamberg, PA | 07 Oct 1888 | Upper Bern, PA |
| MILLER, George | Cario, IL | 15 Mar 1892 | Cario, IL |
| MILLER, John Clement | Rock Springs, Sweetwater, WY | 19 Nov 1898 | * born United States * |
| MILLER, John Donnell | Hailey, WY | 17 May 1887 | Cheyenne, WY |
| MILLER, John Grover | Split Rock, WY | 23 Apr 1890 | Narrows Creek, MO |
| MILLER, John L. | Lenore, WY | 08 May 1890 | Hickory, NC |
| MILLER, Leo | Lander, WY | 24 Aug 1889 | North Vernon, IN |
| MILLER, Peter | Hudson, WY | 25 Jul 1885 | * of Russia * |
| MILLER, Richard Hugh | Riverton, WY | 16 Aug 1883 | * born United States * |
| MILLER, Ruby {Ray} | Olkahoma City, OK | 22 Mar 1896 | Olkahoma City, OK |
| MILLER, Vigo Niels | Daniel, Lincoln, WY | 09 Dec 1884 | * born United States * |
| MILLHOLLIN, Leon Ambrose | Lander, WY | 02 Jul 1881 | * born United States * |
| MILLIS, Loren George | Shoshoni, WY | 26 May 1890 | Osceola, IA |
| MILLS, Alonzo Benjamin | Riverton, WY | 25 Sep 1883 | * born United States * |
| MILLS, Derius | Lander, WY | 18 Mar 1873 | * born United States * |
| MILLS, Elton J. | Riverton, WY | 18 Jan 1879 | * born United States * |
| MILLS, Sandford | Dubois, WY | 03 Oct 1888 | Lander, WY |
| MINKLER, Ray A. | Riverton, WY | 15 Jul 1890 | Tilden, NE |
| MINNICK, Ernest | Riverton, WY | 22 Jun 1879 | * born United States * |
| MIRANVILLE, Charley Philip | Depass, WY | 09 Jul 1876 | * born United States * |
| MISCHLER, George Henry | Hudson, WY | 30 Nov 1876 | * born United States * |
| MITCHELL, Cleane Sumner | Hudson, WY | 12 Mar 1882 | * born United States * |
| MITCHELL, John Hartwell | Riverton, WY | Jul 1888 | Knox Co., MO |
| MITCHELL, Ralph | Lander, WY | 30 Oct 1881 | * born United States * |
| MITCHELL, Walter Marion | Poposia, WY | 26 Jul 1875 | * born United States * |
| MITCHELL, William | Shoshoni, WY | 05 Jul 1874 | * of Scotland * |
| MITROVICH, Timotya | Poposia, WY | 03 Jun 1886 | * of Serbia claimed by Austria * |
| MITTS, Walter Morgan | Riverton, WY | 17 Sep 1876 | * born United States * |
| MOATES, Wilmer Abbott | Lander, WY | 11 Jul 1891 | Fairbury, IL |
| MOCROFT, Lester George | Kendall, WY | 19 Mar 1894 | Phillips, NE |
| MONROE, James | Arapahoe, WY | 1876 | * born United States * |
| MONTANA, Antonino | Riverton, WY | 06 Jul 1888 | Licata, Sicily, Italy |
| MONTANO, Pete | Crowheart, WY | 24 Oct 1891 | Cumpas, Souora, Mexico |
| MONTES, Joseph | Whiterock, UT | 1887 | UT, |
| MONTGOMERY, Robert Clyde | Riverton, WY | 05 Apr 1883 | * born United States * |
| MONTGOMERY, William Harold | Shoshoni, WY | 18 Nov 1890 | Keokuck, IA |
| MOODY, Laurel Delbert | Plainfield, WI | 03 Apr 1897 | Genesee, WI |
| MOODY, Robert Vaughn | Shoshoni, WY | 16 Apr 1892 | Albemarle, NC |
| MOON, Howard Charles | Riverton, WY | 25 Aug 1898 | * born United States * |
| MOORE, Charles Cornell | Ft. Washakie, WY | 03 Feb 1880 | * born United States * |
| MOORE, Charles Francis | Shoshoni, WY | 16 Sep 1874 | * born United States * |
| MOORE, James Kern Jr. | Ft. Washakie, WY | 28 Jun 1876 | * born United States * |
| MOORE, James Panevast | Circle, WY | 02 Nov 1872 | * born United States * |
| MOREAN, George Harmidas | Riverton, WY | 27 Dec 1881 | * born United States * |
| MORGAN, Edward George | Pinedale, WY | 22 Aug 1874 | * born United States * |
| MORGAN, James Fred | Cedar Creek, CO | 30 Nov 1894 | Golden City, MO |
| MORGAN, Ralph G. | Dunning, NE | 11 Apr 1897 | Allen, NE |
| MORIARTY, John F. | Dubois, WY | 10 Dec 1898 | * born United States * |
| MORMAN. Charles Edward | Lander, WY | 20 May 1900 | * born United States * |
| MOROGIORGAS, Spiros | Shoshoni, WY | 11 Aug 1885 | * of Greece * |
| MORRIS, Joseph Weldon | Hudson, WY | 01 Sep 1888 | Edmont, KS |
| MORRIS, Ray | Lander, WY | 13 Dec 1880 | * born United States * |
| MORRISON, Andrew Jackson | Daniel, Lincoln, WY | 23 Aug 1878 | * born United States * |
| MORRISON, Jefferson Lee | Shoshoni, WY | 31 Oct 1873 | * born United States * |
| MORRISON, John | Riverton, WY | 12 Apr 1874 | * of Great Britian * |
| MORRISON, John Hanes | Daniel, Lincoln, WY | 28 Aug 1880 | * born United States * |
| MORRISON, Lincoln Alfred | Shoshoni, WY | 28 Aug 1884 | * born United States * |
| MORROW, George Washington | Shoshoni, WY | 28 Oct 1872 | * born United States * |
| MORROW, James Augustus | Riverton, WY | 21 Mar 1884 | * born United States * |
| MORROW, Robert Earl | Minneapolis, MN | 23 Feb 1893 | Mankato, MN |
| MORTENSEN, William | Lander, WY | 14 Apr 1893 | Franklin, MN |
| MORTIMORE, Edgar E. | Lander, WY | 23 May 1874 | * born United States * |
| MORTIMORE, Jesse Plumworth | Hudson, WY | 07 Oct 1878 | * born United States * |
| MORTIMORE, LeRoy | Hudson, WY | 18 May 1887 | Lander, WY |
| MORTON, Arthur James | Casper, Natrona, WY | 06 Apr 1882 | * born United States * |
| MORTON, John Carmon | Lander, WY | 05 Feb 1876 | * unknown * |
| MOSS, Alonzo | St. Stephens, WY | 1881 | * born United States * |
| MOSS, Leland Melvin | Rock Springs, Sweetwater, WY | 27 Jul 1900 | * born United States * |
| MOSS, Philabert | St. Stephens, WY | 1882 | * born United States * |
| MOSS, Thomas Edgar | Ottawa, Canada | 01 May 1891 | Ottawa, Canada |
| MOSSBURG, Floyd Edgar | Riverton, WY | 14 Apr 1877 | * born United States * |
| MOTE, Jesse Lee | Riverton, WY | 29 Oct 1874 | * born United States * |
| MOTOOKA, Saichi | Funa Kimina, Japan | 05 Feb 1889 | Fuma Kimina, Japan |
| MOWELL, Robert | Riverton, WY | 10 Jun 1898 | Warsaw, MO |
| MUENCHUNGER, Clarence Herbert | Riverton, WY | 19 Sep 1884 | Pleasanton, KS |
| MUIR, Gilbert | Circle, WY | 16 Jun 1873 | * unknown * |
| MUIR, Gilbert Dalziel | Circle, WY | 12 Apr 1900 | * unknown * |
| MULDER, Peter James | Wind River, WY | 13 Mar 1878 | * unknown * |
| MULLEN, James Albert | Tillamok, Tillamok, OR | 14 Oct 1881 | * born United States * |
| MULLENS, Arthur Edward | Pinedale, WY | 11 Jul 1888 | London, England, Great Britian |
| MULLINS, James Sledge | Riverton, WY | 13 May 1882 | * born United States * |
| MULLINS {MILLER}, Homer | Linton, IN | 26 Feb 1896 | Shelborn, IN |
| MURPHEY, John Wright | Lander, WY | 09 Aug 1879 | * born United States * |
| MURPHY, General Grant | Casper, Natrona, WY | 11 Feb 1873 | * born United States * |
| MURPHY, William Frank | Shoshoni, WY | 11 Mar 1884 | * born United States * |
| MURRAY, Carl Warren | Hudson, WY | 13 Aug 1899 | * born United States * |
| MURRAY, Hugh | Shoshoni, WY | 17 Nov 1876 | * unknown * |
| MURRAY, James | Hudson, WY | 07 Jan 1885 | * unknown * |
| MURRAY, James Richard | Lander, WY | 18 Mar 1889 | Brooklyn, NY |
| MURRAY, John P. | Riverton, WY | 14 Jul 1876 | * born United States * |
| MURRAY {MURRY}, Frank Delroy | Lander, WY | 06 Oct 1889 | Cheyenne, WY |
| MURRAY, Oral Dean | Riverton, WY | 06 Oct 1877 | * born United States * |
| MURRAY, William | Pilot, WY | 16 Aug 1893 | Arnprior, Ontario, Canada |
| MURRIN, Bert | Riverton, WY | 09 Sep 1884 | * born United States * |
| MYERS, Albert | Hailey, WY | 01 Feb 1881 | * born United States * |
| MYERS, Alexander Robert | Arapahoe, WY | 09 Nov 1882 | * born United States * |
| MYERS, Thomas D. | Lander, WY | 18 Jun 1875 | * born United States * |
| MYERS, Walter J. | Split Rock, WY | 05 Jan 1887 | Marshalltown, IA |