| Name | Residence | Birth Date | Birth Place |
| LACCROSS, Felix | Split Rock, WY | 26 Aug 1884 | * born United States * |
| LACEY, Haman | Arapahoe, WY | 02 Sep 1880 | * born United States * |
| LACEY, Ralph Gilford | Riverton, WY | 21 Jun 1893 | Fayette Co., IL |
| LAGAARD, Jens Jensen | Lost Cabin, WY | 21 Sep 1874 | * of Denmark * |
| LAING, John Edward | Lander, WY | 25 Dec 1883 | * of Scotland * |
| LAIRD, Bert James | Lander, WY | 04 Jan 1880 | * born United States * |
| LAIRD, George Gilbert | Lander, WY | 15 Apr 1885 | * born United States * |
| LAIRD, Robert | Lander, WY | 04 Oct 1891 | Lander, WY |
| LAJEUNESSE, George Edward | Riverton, WY | 07 May 1879 | * born United States * |
| LAJEUNESSE, Herman Joseph | Riverton, WY | 06 May 1900 | * born United States * |
| LAJEUNESSE, Jay D. | Ft. Washakie, WY | 30 Jun 1885 | * born United States * |
| LAMAR, Frank Edward | Riverton, WY | 29 May 1897 | New York City, NY |
| LAMB, Austin D. | Neosho, MO | 10 Feb 1887 | Ashland, WI |
| LAMB, Ellsworth | Lander, WY | 09 Oct 1873 | * born United States * |
| LAMB, Lynn Edgar | Lander, WY | 11 Jun 1887 | Baggs, WY |
| LAMB, Stanton Ray | Lander, WY | 03 Nov 1889 | Baggs, WY |
| LAMB, Thomas Henry | Lander, WY | 24 Feb 1892 | Routt Co., CO |
| LAMBERSON, Charles Melvin | Hudson, WY | 27 Aug 1897 | * born United States * |
| LAMBERSON, Leslie Arthur | Lander, WY | 12 Jun 1889 | Covington, PA |
| LAMBERSON, William Earl | Hudson, WY | 17 Jan 1895 | Lander, WY |
| LAMPER, William Orlin | Dubois, WY | 07 Feb 1899 | * born United States * |
| LAMPLEY, Benjamin Cecil | Riverton, WY | 03 Apr 1883 | * born United States * |
| LANE, Ike Jr. {J. K.} | 619 Camel, Tulsa, OK | 14 Dec 1893 | Dallas, TX |
| LANG, Edward | Riverton, WY | 26 May 1890 | near Bayard, NE |
| LANGFORD, Alfred Rubin | Dubois, WY | 20 May 1898 | * born United States * |
| LANGLEY, William Bradford | Lander, WY | 13 Dec 1874 | * born United States * |
| LANSING, Charles Fredrick | Butte, MT | 16 Oct 1871 | * born United States * |
| LAPORTE, Leon Cloyd | Riverton, WY | 26 Jul 1889 | Springfield, MO |
| LARGE, James Edward | Pilot, WY | 24 Jun 1890 | Burnt Fork, Sweetwater Co., WY |
| LARGE, Jesse William | Pilot, WY | 15 Oct 1893 | Henry's Fork, Sweetwater Co., WY |
| LARGE, Percy | Split Rock, WY | 10 Aug 1896 | Lander, WY |
| LARGE, Warren Nolan | Ft. Washakie, WY | 03 Jul 1898 | * born United States * |
| LAROCK, Harry | Lander, WY | 25 May 1886 | * born United States * |
| LARRADO, Joe | Dubois, WY | 10 Jul 1874 | * born United States * |
| LARSON, August | Riverton, WY | 22 Nov 1879 | * of Sweden * |
| LARSON, Augustinus | Lander, WY | 19 Feb 1874 | * of Sweden * |
| LARSON, Charles Edward | Livingston, Park, MT | 11 May 1879 | * born United States * |
| LARSON, Charles John | Lander, WY | 25 Aug 1884 | * unknown * |
| LARSON, Frank Olle | Circle, WY | 28 Feb 1875 | * unknown * |
| LARSON, Harry | Riverton, WY | 19 Sep 1885 | * of Sweden * |
| LARSON, John | Dubois, WY | 26 Aug 1889 | Ostersund, Sweden |
| LARSON, Oscar Edward | Riverton, WY | 12 Feb 1891 | Visby, Sweden |
| LASOVICH, Jack | Hudson, WY | 25 Dec 1893 | Bunich, Leka, Austria |
| LASOVICH, Tom | Hudson, WY | 09 Jun 1889 | Bunich, Leka, Austria |
| LATCHAM, Chester Allen | Riverton, WY | 04 Dec 1888 | Denver, CO |
| LAURAN, Jacques Geraud | Riverton, WY | 13 Feb 1879 | * of France * |
| LAURENCE, Victor Bernard | Riverton, WY | 26 Apr 1886 | * born United States * |
| LAURENCE, William Franklin | Lander, WY | 05 Apr 1880 | * born United States * |
| LAURIDSEN, Lawrence Marcus | Lysite, WY | 14 Apr 1881 | * unknown * |
| LAVIN, Martin | Hailey, WY | 13 Mar 1889 | Rawlins, WY |
| LAVORE {LAVOYE}, Louis Phillip | International Falls, MN | 08 Feb 1889 | Bic, Quebec, Canada |
| LAWER, Hugh Clinton | Riverton, WY | 28 Mar 1882 | * unknown * |
| LAWER, James Frederick | Lander, WY | 28 Jun 1889 | Michigan, ND |
| LAWRENCE, Braz D. | Hailey, WY | 21 Apr 1897 | Pier City, AR |
| LAWSON, Albert Bruce | Riverton, WY | 01 Dec 1878 | * born United States * |
| LAWSON, James Burton | Shoshoni, WY | 16 Nov 1894 | Ravenswood, WV |
| LAWSON, Robert Ball | Hudson, WY | 31 Dec 1880 | * born United States * |
| LAWTON, George | Lander, WY | 26 Aug 1880 | * born United States * |
| LAZICH, John | Lander, WY | ? | * of Servia * |
| LEACH, Alfred George | Lost Cabin, WY | 03 Dec 1884 | * born United States * |
| LEADERMAN, David Marcus | Lost Cabin, WY | 21 Jan 1879 | * of Great Britian * |
| LEASBERG, William Henry | Lander, WY | 07 May 1873 | * born United States * |
| LECLAIR, John Louis | Riverton, WY | 15 Mar 1892 | Ft. Washakie, WY |
| LECLAIR, William | Ft. Washakie, WY | 12 Mar 1900 | * born United States * |
| LEE, Albert Delmer | Lander, WY | 13 Feb 1896 | Paradise, KS |
| LEE, Andrew Jessie | Lander, WY | 30 Apr 1888 | Rome, IA |
| LEE, Joseph | Lander, WY | 20 Oct 1884 | * born United States * |
| LEE, Lewis Warren | Wind River, WY | 05 Sep 1881 | * born United States * |
| LEE, Loren T. | Riverton, WY | 28 Jun 1893 | Howard, KS |
| LEE, Shirley Fitzhugh | Arapahoe, WY | 1900 | * born United States * |
| LEE, Thomas Jemerson | Thermopolis, Hot Springs, WY | 21 Nov 1889 | Emma, CO |
| LEEDY, Oliver Wendell | Hudson, WY | 25 Jul 1884 | * born United States * |
| LEES, Chet | Cora, WY | 02 Apr 1876 | * born United States * |
| LEETE, Bernard E. | Dubois, WY | 22 Apr 1890 | Rockford, IL |
| LEHONCKA, Frank | Moneta, WY | 18 May 1892 | Kladuo, Bohemia, Austria-Hungary |
| LEICH, Jacob | Riverton, WY | 08 May 1889 | Zurich, Switzerland |
| LELAND, Chester A. | Lander, WY | 05 Oct 1877 | * born United States * |
| LEMBKE, John Henry | Hudson, WY | 21 Apr 1874 | * born United States * |
| LEMON, Thomas Scott | Lander, WY | 20 May 1881 | * born United States * |
| LENORIO, Carlos Maes | Lenore, WY | 20 May 1895 | Las Vegas, NM |
| LEONARD, Fred | Ft. Washakie, WY | 01 Jan 1875 | * born United States * |
| LEONARD, Fred Jr. | Ft. Washakie, WY | 1889 | * born United States * |
| LEONARD, Rudolph B. | Riverton, WY | 13 Aug 1885 | * of Austria * |
| LESEBERG, Edward August | Lander, WY | 16 Jun 1874 | * born United States * |
| LESEBERG, Harry | Circle, WY | 01 Sep 1880 | * born United States * |
| LESSIG, Harvey | Lander, WY | 09 Aug 1877 | * born United States * |
| LEVENS, Virgil Leigh | Amity, Yamhill, OR | 28 Aug 1876 | * born United States * |
| LEWIS, Angelo | Riverton, WY | 21 Nov 1883 | * born United States * |
| LEWIS, Howard | Lander, WY | 21 Jun 1888 | Newton, IL |
| LEWIS, Jesse Philip | Wolf Precinct, WY | 05 Sep 1887 | Hanning Co., TX |
| LEWIS, Lonnie | Lander, WY | 22 Sep 1892 | Nash, TX |
| LEWIS, Owen | Lander, WY | 01 May 1899 | * born United States * |
| LEWIS, William Irven | Lysite, WY | 30 Aug 1874 | * born United States * |
| LICATA, Salvatore | Riverton, WY | 03 Mar 1895 | Licata, Sicily, Italy |
| LICHTY, Frank Uriah | Riverton, WY | 25 Jul 1879 | * born United States * |
| LICHTY, John S. | Riverton, WY | 03 Nov 1876 | * born United States * |
| LIDHOLM, Emanuel | Dubois, WY | 17 Aug 1884 | * of Sweden * |
| LIHEN, Nels | Riverton, WY | 15 Dec 1895 | * unknown * |
| LINCK, Charles Veil | Lenore, WY | 25 Jan 1881 | * born United States * |
| LINCOLN, Walter | Lander, WY | 17 Dec 1885 | * born United States * |
| LIND, Henry Philipp | Arapahoe, WY | 18 Feb 1886 | * Argentina, South America * |
| LIND, John Olof | Dubois, WY | 07 May 1879 | * unknown * |
| LINDSEY, Sidney | Bradford, McKean, PA | 20 May 1884 | * born United States * |
| LINDSLEY, Gus W. | Lysite, WY | 16 Nov 1876 | * born United States * |
| LINN, Budd | Riverton, WY | 30 Nov 1895 | Centerville, IA |
| LINN, John Robert | Lander, WY | 31 Dec 1891 | Linton, IN |
| LINN, Ralph Seaman | Shoshoni, WY | 20 Sep 1887 | Pawnee, NE |
| LIPPERT, Joe | Riverton, WY | 15 Oct 1877 | * born United States * |
| LISCHKE, Carl Charles | Riverton, WY | 22 Feb 1896 | Ridgway, CO |
| LITTLE, Lawrence Hafig | Arapahoe, WY | 1899 | * born United States * |
| LITTLE, Richard | Shoshoni, WY | 28 Jul 1875 | * unknown * |
| LITTLEFIELD, Harry Leslie | Riverton, WY | 28 Jun 1888 | Litchfield, NE |
| LITTLEFIELD, Robert Jay | Aurora, Hamilton, NE | 23 Oct 1898 | * born United States * |
| LIVINGSTON, Hugh B. | Dubois, WY | 11 Oct 1889 | Hancock, IA |
| LLEWELLYN, Joseph | Billings, MT | 21 Aug 1874 | * born United States * |
| LLEWELLYN, Thomas Edward | Lysite, WY | 27 Nov 1889 | Blossburg, NM |
| LOBDELL, Hamilton Ford | Riverton, WY | 18 Jun 1882 | * born United States * |
| LOCHARD, John Max | Shoshoni, WY | 15 Jul 1887 | Argentine, KS |
| LOCHRIDGE, David Clark | Lander, WY | 21 Aug 1893 | Mexico, MO |
| LOCKARD, Cressie | Lander, WY | 15 May 1899 | Tulner, CO |
| LOCKARD, Henry Riley | Lander, WY | 25 Jun 1884 | * born United States * |
| LOCKE, Thomas | Lander, WY | 21 Oct 1886 | Waverly, MN |
| LOCKRIDGE, Howard Anthony | Lander, WY | 09 Aug 1897 | Mexico, MO |
| LODGE, Aloysius Goes | Arapahoe, WY | 1876 | * born United States * |
| LOGAN, Charles Edwin | Riverton, WY | 05 Apr 1884 | * born United States * |
| LOGAN, Floyd Harrison | Lysite, WY | 24 Mar 1889 | Ottumwa, IA |
| LOGAN, James Roy | Lander, WY | 01 Sep 1882 | * born United States * |
| LOGAN, Ora Elmer | Lysite, WY | 27 Oct 1895 | Ottumwa, IA |
| LONG, Clayton | Ft. Washakie, WY | 19 Nov 1889 | Chanute, KS |
| LONG, Earl Floyd | Pinedale, WY | 05 Sep 1884 | * born United States * |
| LONG, Lewis Birt | Pinedale, WY | 14 Jun 1899 | * born United States * |
| LONGENECKER, Joel Fitch | Lander, WY | 21 Dec 1880 | * born United States * |
| LOOB, James Harry | Riverton, WY | 06 Oct 1892 | Oshkosh, NE |
| LOOY, Harry | Shoshoni, WY | 22 Aug 1884 | * born United States * |
| LOPEZ, Fortino | Lander, WY | 12 Aug 1874 | * of Mexico * |
| LORD, Donald J. | Split Rock, WY | 14 Dec 1893 | Big Trails, WY |
| LOUGH, Charlie Nelson | Riverton, WY | 13 Jul 1880 | * born United States * |
| LOVINGEL, Jacob | Arapahoe, WY | 06 Nov 1876 | * of Saratof, Russia * |
| LOWER, George A. | Calabor, Custer, MT | 29 Oct 1873 | * born United States * |
| LOWERY, John Henry | Arapahoe, WY | 18 Feb 1897 | Benton, AR |
| LOWERY, Robert Virgil | Arapahoe, WY | 15 Mar 1874 | * born United States * |
| LOYD, Clem Ira | Riverton, WY | 03 Jan 1883 | * born United States * |
| LOZIER, Irwin Maynard | Cora, WY | 23 Feb 1874 | * born United States * |
| LOZIER, Roy Ward | Cora, WY | 21 Mar 1900 | * born United States * |
| LUCAS, Ernest Eugene | Lander, WY | 01 Mar 1874 | * born United States * |
| LUCAS, Owen B. | Dallas, WY | 28 Sep 1891 | St. Paul, AR |
| LUCERO, Candelario | La Liendre, NM | 02 Feb 1895 | La Liendre, NM |
| LUCERO, Fred | Mora, Mora, NM | 12 Nov 1897 | * born United States * |
| LUCERO, Jose Manuel | Riverton, WY | 06 Jun 1873 | * born United States * |
| LUCERO, Saturnino | Riverton, WY | Mar 1892 | La Coueva, NM |
| LUDIN, George Armand | Lander, WY | 20 Oct 1889 | Lander, WY |
| LUDWIG, Michael | Casper, Natrona, WY | 21 Sep 1899 | * of Austria Hungary * |
| LUEDERS, Peter | Riverton, WY | 29 Feb 1876 | * of Germany * |
| LUEPKE, Otto William | Dubois, WY | 06 Jun 1882 | * born United States * |
| LUKICH, Vaso | Poposia, WY | 15 Feb 1881 | * of Austria * |
| LUMAN, Kenneth | Hillmont, WY | 31 Mar 1892 | Rock Springs, WY |
| LUMAN, Richard John | Hillmont, WY | 26 Apr 1900 | * born United States * |
| LUNDBERG, Peter | Dubois, WY | 18 Jul 1882 | * of Denmark * |
| LUNDEEN, Carl August F. | Dubois, WY | 05 Sep 1874 | * of Sweden * |
| LUNDELL, Erick | Dubois, WY | 05 Feb 1890 | Mybro, Kulruinlien, Sweden |
| LUNDELL, Herman | Dubois, WY | 06 Nov 1895 | Nebro, Sweden |
| LUNDGREN, John Leonard | Dubois, WY | 11 Dec 1884 | * of Sweden * |
| LUPIRZOWIES, Mike | Lander, WY | 30 Apr 1879 | * of Austria * |
| LUSIGNAN, Charles Guy | Pilot, WY | 04 Oct 1862 | * possibly of Canada * |
| LUSTER, Charles Edward | Metzler, WY | 18 Nov 1896 | Little Rock, AR |
| LUTAS, Gus | Moneta, WY | 13 Feb 1894 | Kasary, Corinth, Greece |
| LUTHY, Charles Edward | Riverton, WY | 03 Jan 1873 | * born United States * |
| LUX, Joseph | Dallas, WY | 17 Feb 1889 | Fredonia, KS |
| LYBYER, Leonard | Wolf Precinct, WY | 10 Oct 1899 | Dykes, MO |
| LYNCH, Charles Dan | Riverton, WY | 23 Jan 1878 | * born United States * |
| LYNCH, Peter Thomas | Wolton, WY | 13 Sep 1873 | Chicago, IL |
| LYNN, Frank Elmer | Riverton, WY | 23 May 1883 | * born United States * |
| LYONS, William Seymour | Riverton, WY | 07 Feb 1873 | * born United States * |