List of U.S. county name etymologies (J–M)

This is a list of U.S. county name etymologies, covering the letters J to M.

J
County nameStateName origin
Jack CountyTexasPatrick Churchill Jack and his brother William Houston Jack, both soldiers of the Texas Revolution
Jackson CountyAlabamaAndrew Jackson, the 7th President of the United States
Jackson CountyArkansas
Jackson CountyColorado
Jackson CountyFlorida
Jackson CountyIllinois
Jackson CountyIndiana
Jackson CountyIowa
Jackson CountyKansas
Jackson CountyKentucky
Jackson CountyMichigan
Jackson CountyMinnesota
Jackson CountyMississippi
Jackson CountyMissouri
Jackson CountyNorth Carolina
Jackson CountyOhio
Jackson CountyOklahoma
Jackson CountyOregon
Jackson CountyTennessee
Jackson CountyTexas
Jackson CountyWest Virginia
Jackson CountyWisconsin
Jackson ParishLouisiana
Jackson CountyGeorgiaJames Jackson, a U.S. Congressman and the 23rd Governor of Georgia
Jackson CountySouth DakotaJ.R. Jackson, a legislator of the Dakota Territory
James City CountyVirginiaNamed for James City (Virginia Company) (one of four incorporations of the Virginia Colony), itself named for James I of England by his son, King Charles I
Jasper CountyGeorgiaWilliam Jasper, a hero of the Battle of Sullivan's Island during the American Revolutionary War
Jasper CountyIllinois
Jasper CountyIndiana
Jasper CountyIowa
Jasper CountyMississippi
Jasper CountyMissouri
Jasper CountySouth Carolina
Jasper CountyTexas
Jay CountyIndianaJohn Jay, the first U.S. Secretary of State and first Chief Justice of the Supreme Court
Jeff Davis CountyGeorgiaJefferson Davis, the only President of the Confederate States of America
Jeff Davis CountyTexas
Jefferson CountyAlabamaThomas Jefferson, the third President of the United States
Jefferson CountyArkansas
Jefferson CountyFlorida
Jefferson CountyGeorgia
Jefferson CountyIdaho
Jefferson CountyIllinois
Jefferson CountyIndiana
Jefferson CountyIowa
Jefferson CountyKansas
Jefferson CountyKentucky
Jefferson CountyMississippi
Jefferson CountyMissouri
Jefferson CountyMontana
Jefferson CountyNebraska
Jefferson CountyNew York
Jefferson CountyOhio
Jefferson CountyOklahoma
Jefferson CountyOregon
Jefferson CountyPennsylvania
Jefferson CountyTennessee
Jefferson CountyTexas
Jefferson CountyWashington
Jefferson CountyWest Virginia
Jefferson CountyWisconsin
Jefferson ParishLouisiana
Jefferson CountyColoradoNamed for the extralegal Jefferson Territory (itself named for U.S. President Thomas Jefferson), of which the county was a part from 1859 to 1861
Jefferson Davis CountyMississippiJefferson Davis, the only President of the Confederate States of America
Jefferson Davis ParishLouisiana
Jenkins CountyGeorgiaCharles Jones Jenkins, the 44th Governor of Georgia
Jennings CountyIndianaJonathan Jennings, the first Governor of Indiana
Jerauld CountySouth DakotaH.A. Jerauld, a legislator of the Dakota Territory
Jerome CountyIdahoUnknown; presumably one of three early settlers whose first name was Jerome
Jersey CountyIllinoisThe U.S. state of New Jersey
Jessamine CountyKentuckyJessamine Creek, itself named for an alternate spelling of jasmine, a flowering plant
Jewell CountyKansasColonel Lewis R. Jewell of the Sixth Kansas Cavalry Regiment
Jim Hogg CountyTexasJames Hogg, the 20th Governor of Texas
Jim Wells CountyTexasJames B. Wells Jr., a judge and Democratic boss in South Texas
Jo Daviess CountyIllinoisJoseph Hamilton Daveiss, a soldier killed at the Battle of Tippecanoe
Johnson CountyArkansasBen Johnson, a judge in the Arkansas Territory
Johnson CountyGeorgiaHerschel Vespasian Johnson, a U.S. Senator and the 41st Governor of Georgia
Johnson CountyIllinoisRichard Mentor Johnson, a U.S. Congressman and the 9th Vice President of the United States
Johnson CountyIowa
Johnson CountyKentucky
Johnson CountyMissouri
Johnson CountyNebraska
Johnson CountyIndianaJohn Johnson, a judge of the Indiana Supreme Court
Johnson CountyKansasThomas Johnson, an early Methodist missionary to the Shawnee tribe in Kansas
Johnson CountyTennesseeThomas Johnson, an early settler of the area
Johnson CountyTexasMiddleton Johnson, a Texas Ranger, soldier, and politician
Johnson CountyWyomingE.P. Johnson, a Cheyenne attorney
Johnston CountyNorth CarolinaGabriel Johnston, the 6th Colonial Governor of North Carolina
Johnston CountyOklahomaDouglas H. Johnston, the last governor of the Chickasaw Nation
Jones CountyGeorgiaJames Jones, a U.S. Representative from Georgia
Jones CountyIowaGeorge Wallace Jones, one of the first two U.S. Senators to represent Iowa
Jones CountySouth Dakota
Jones CountyMississippiJohn Paul Jones, commander of the Continental Navy during the American Revolutionary War
Jones CountyNorth CarolinaWillie Jones, a Revolutionary leader and president of the North Carolina Council of Safety
Jones CountyTexasAnson Jones, the last President of the Republic of Texas
Josephine CountyOregonNamed for a creek, itself probably named after Virginia Josephine Rollins Ort
Juab CountyUtahA Ute Indian word meaning "valley" or "plain"
Judith Basin CountyMontanaNamed by explorer William Clark for his future wife, Julia "Judith" Hancock
Juneau CountyWisconsinSolomon Juneau, a French-Canadian trader who helped found and was the first mayor of Milwaukee
Juneau City and BoroughAlaskaJoseph Juneau, a Canadian gold prospector who co-founded the city of Juneau
Juniata CountyPennsylvaniaAn Iroquoian word, Onayutta, meaning "standing stone"

K
County nameStateName origin
Kalamazoo CountyMichiganThe Kalamazoo River which runs through it, itself named for a Native American word which was probably Ke-Ken-a-ma-zoo, meaning "boiling water"
Kalawao CountyHawaiiHawaiian kalawao, "mountain-side wild woods."
Kalkaska CountyMichiganA word invented by Henry Schoolcraft, whose family name was Calcraft; the "K"s may have been added to make the name appear more like a Native American word
Kanabec CountyMinnesotaThe Snake River which runs through it, itself named for an Ojibwe word, Ginebig, meaning "snake"
Kanawha CountyWest VirginiaThe Kanawha River which runs through it, itself named for an Iroquoian word, ka(ih)nawha, meaning "waterway" or "canoe way"
Kandiyohi CountyMinnesotaDakota name for several lakes, meaning "where the buffalo fish come"
Kane CountyIllinoisElias Kane, a U.S. Senator and the first Illinois Secretary of State
Kane CountyUtahThomas L. Kane, a Union general during the American Civil War and an influential supporter of the Latter-day Saint movement
Kankakee CountyIllinoisA Miami Indian word, teeyaahkiki, meaning "open country"
Karnes CountyTexasHenry Karnes, a soldier of the Texas Revolution
Kauaʻi CountyHawaiiIts largest island, Kauaʻi, itself named for a son of the legendary discoverer of the Hawaiʻian Islands and possibly meaning "place around the neck" or "food season"
Kaufman CountyTexasDavid Spangler Kaufman, a legislator and diplomat of the Republic of Texas and later a U.S. Congressman
Kay CountyOklahomaThe letter "K", from its designation as "County K" before names were assigned
Kearney CountyNebraskaFort Kearny, itself named for General Stephen Watts Kearny
Kearny CountyKansasStephen Watts Kearny, a general of the U.S. Army active on the American frontier during the Mexican–American War
Keith CountyNebraskaM.C. Keith, a local rancher
Kemper CountyMississippiReuben Kemper, an early settler of the area who rebelled against Spanish rule in Spanish West Florida
Kenai Peninsula BoroughAlaskaKenai Peninsula, a headland named for the Athabascan people, Kahtnuht’ana Dena’ina ("People along the Kahtnu (Kenai River)").
Kendall CountyIllinoisAmos Kendall, the editor of an influential Frankfort, Kentucky newspaper who served as the 8th U.S. Postmaster General and an important adviser to President Andrew Jackson
Kendall CountyTexasGeorge Wilkins Kendall, a journalist and Mexican–American War correspondent
Kenedy CountyTexasMifflin Kenedy, an early rancher and businessman in South Texas
Kennebec CountyMaineAn Eastern Abenaki word, /kínipekʷ/, meaning "large body of still water"
Kenosha CountyWisconsinA Chippewa word meaning "pickerel", a type of fish
Kent CountyDelawareKent, a county in England
Kent CountyMaryland
Kent CountyRhode Island
Kent CountyMichiganJames Kent, a jurist who represented Michigan Territory in its dispute with Ohio over the Toledo Strip
Kent CountyTexasAndrew Kent, who died at the Battle of the Alamo during the Texas Revolution
Kenton CountyKentuckySimon Kenton, a frontiersman and soldier in the Ohio River region
Keokuk CountyIowaKeokuk, chief of the Sauk tribe
Kern CountyCaliforniaEdward Kern, an artist and cartographer who accompanied General John C. Frémont's third and fourth expeditions to the Western United States
Kerr CountyTexasJames Kerr, an early settler and legislator of the Republic of Texas
Kershaw CountySouth CarolinaJoseph B. Kershaw, a lawyer, South Carolina legislator, and Confederate general during the American Civil War
Ketchikan Gateway BoroughAlaskaTlingit Kichx̱áan (Kitschk-hin), meaning "the river belonging to Kitschk" or "Thundering Wings of an Eagle."
Kewaunee CountyWisconsinDisputed; probably a Chippewa term meaning either "prairie hen" or "I cross a point of land by boat"
Keweenaw CountyMichiganAn Ojibwe word, kee-wi-wai-non-ing, which means "portage" or "place where portage is made"
Keya Paha CountyNebraskaDakota language words Ké-ya Pa-há Wa-kpá, meaning "turtle hill river"
Kidder CountyNorth DakotaJefferson Parish Kidder, a U.S. Congressman who represented the Dakota Territory
Kimball CountyNebraskaThomas L. Kimball, an official of the Union Pacific Railroad
Kimble CountyTexasGeorge C. Kimble, who died at the Battle of the Alamo during the Texas Revolution
King CountyTexasWilliam Philip King, who died at the Battle of the Alamo during the Texas Revolution
King CountyWashingtonWilliam Rufus King, a U.S. Congressman and the 13th Vice President of the United States; "renamed" in honor of Martin Luther King Jr. in 2005
King George CountyVirginiaGeorge I of Great Britain
King WilliamVirginiaWilliam III of England
King and Queen CountyVirginiaKing William III of England and Queen Mary II of England
Kingfisher CountyOklahomaUnknown; possibly for a local rancher named David King Fisher, a rancher named John Fisher, or two different settlers named King and Fisher; later given additional currency in association with the belted kingfisher bird
Kingman CountyKansasSamuel A. Kingman, who was Chief Justice of Kansas at the time of its creation
Kings CountyCaliforniaThe Kings River, itself originally named Río de los Santos Reyes ("River of the Holy Kings")
Kings CountyNew YorkKing Charles II of England
Kingsbury CountySouth DakotaGeorge W. Kingsbury and T.A. Kingsbury, two brothers who were members of several territorial legislatures
Kinney CountyTexasHenry Lawrence Kinney, an early settler of Texas
Kiowa CountyColoradoThe Kiowa people, a Native American tribe
Kiowa CountyKansas
Kiowa CountyOklahoma
Kit Carson CountyColoradoKit Carson, a frontiersman, explorer, and U.S. Army officer active across much of the American frontier
Kitsap CountyWashingtonChief Kitsap of the Suquamish tribe
Kittitas CountyWashingtonUnknown; probably a Yakama word with any of numerous different meanings
Kittson CountyMinnesotaNorman Kittson, a Canadian fur trader, railroad entrepreneur, and mayor of St. Paul
Klamath CountyOregonThe Klamath people, a Native American tribe
Kleberg CountyTexasRobert J. Kleberg, an early settler and veteran of the Texas Revolution
Klickitat CountyWashingtonThe Klickitat people, a Native American tribe
Knott CountyKentuckyJames Proctor Knott, the 29th Governor of Kentucky
Knox CountyIllinoisHenry Knox, a general during the American Revolutionary War and the first U.S. Secretary of War
Knox CountyIndiana
Knox CountyKentucky
Knox CountyMaine
Knox CountyMissouri
Knox CountyNebraska
Knox CountyOhio
Knox CountyTennessee
Knox CountyTexas
Kodiak Island BoroughAlaskaKodiak Island, from Alutiiq qikertaq, "island."
Koochiching CountyMinnesotaAn Ojibwe or Cree word meaning "at the place of inlets", referring to the nearby Rainy Lake and Rainy River
Kootenai CountyIdahoThe Kootenay people, a Native American tribe
Kosciusko CountyIndianaTadeusz Kościuszko, a Polish ally of the Americans during the Revolutionary War
Kossuth CountyIowaLajos Kossuth, the Governor-President of the Kingdom of Hungary during the Revolution of 1848 who went into exile in the United States
Kusilvak Census AreaAlaskaThe Kusilvak Mountains

L
County nameStateName origin
La Crosse CountyWisconsinEarly explorer Zebulon Pike saw the Indians playing a game similar to Lacrosse, a French game called such because the rackets resembled a bishop's crozier.
La Moure CountyNorth Dakotanamed for Judson LaMoure of who served many terms in the Dakota and North Dakota legislatures
La Paz CountyArizonaNamed for a ghost town within the county, itself named for the Spanish word meaning "peace"
La Plata CountyColoradoThe La Plata Mountains, which were named by Spanish explorers of the Domínguez–Escalante expedition for their reputed silver ore; la plata is Spanish for "silver"
La Porte CountyIndianaFrench for "the door" or "the port"
LaSalle CountyIllinoisRené-Robert Cavelier, Sieur de La Salle, an early French explorer of the Mississippi River
La Salle CountyTexas
La Salle ParishLouisiana
Labette CountyKansasLaBette Creek which runs through it, itself named for French-Canadian fur trapper Pierre LaBette, who settled near the creek's mouth
Lac qui Parle CountyMinnesotaFrench for "lake that speaks"
Lackawanna CountyPennsylvaniaLenape word for "stream that forks"
Laclede CountyMissouriPierre Laclède, a French fur trader who co-founded the city of St. Louis
Lafayette CountyArkansasGilbert du Motier, Marquis de Lafayette, a French general who played a major role in the American Revolutionary War
Lafayette CountyFlorida
Lafayette CountyMississippi
Lafayette CountyMissouri
Lafayette CountyWisconsin
Lafayette ParishLouisiana
Lafourche ParishLouisianaBayou Lafourche (French: "the fork")
Lagrange CountyIndianaNamed for the home of the Marquis de Lafayette outside of Paris, France
Lake CountyCaliforniaClear Lake, which dominates the county
Lake CountyColoradoTwin Lakes, two mountain lakes (now a reservoir) located just south of Leadville
Lake CountyFloridaNamed for the large number of lakes within the county
Lake CountyOregonNamed for the large number of lakes within the county, including Lake Abert, Summer Lake, Hart Lake, and Goose Lake
Lake CountySouth DakotaNamed for the large number of lakes within the county
Lake CountyIllinoisNamed for its location on Lake Michigan
Lake CountyIndiana
Lake CountyMichiganNamed for the several small lakes within the county
Lake CountyMinnesotaNamed for its location on Lake Superior
Lake CountyMontanaFlathead Lake, which dominates the county
Lake CountyOhioNamed for its location on Lake Erie
Lake CountyTennesseeReelfoot Lake, the county's most significant geographic feature along with the Mississippi River
Lake and Peninsula BoroughAlaskaIliamna Lake and the Alaska Peninsula
Lake of the Woods CountyMinnesotaLake of the Woods, which dominates the county
Lamar CountyAlabamaLucius Quintus Cincinnatus Lamar II, a U.S. Senator, Secretary of the Interior, and Supreme Court justice
Lamar CountyGeorgia
Lamar CountyMississippi
Lamar CountyTexasMirabeau B. Lamar, the second President of the Republic of Texas
Lamb CountyTexasGeorge A. Lamb, who died in the Battle of San Jacinto during the Texas Revolution
Lamoille CountyVermontUndocumented; possibly a misspelling of the intended name of Lake Champlain, or the French la moelle, meaning "the marrow"
Lampasas CountyTexasUndocumented; possibly for the Lampasas River, the old Lampazos mission in Mexico, or the Spanish name for any of several plants in the vicinity
Lancaster CountyNebraskaNamed after the cities of Lancaster, Pennsylvania and Lancaster, England
Lancaster CountyPennsylvaniaLancashire, a county in England
Lancaster CountySouth CarolinaLancaster, Pennsylvania
Lancaster CountyVirginia
Lander CountyNevadaFrederick W. Lander, the chief engineer of a federal wagon route through the area
Lane CountyKansasJames H. Lane, a leader of the Jayhawker abolitionist movement who served as one of the first U.S. Senators from Kansas
Lane CountyOregonJoseph Lane, the first Governor of the Oregon Territory
Langlade CountyWisconsinCharles Langlade, a fur merchant and one of the first settlers of Wisconsin
Lanier CountyGeorgiaSidney Lanier, a Georgia poet
Lapeer CountyMichiganFrom the French "la pierre", meaning "flint" or "flint stone"
Laramie CountyWyomingJacques La Ramee, a French-Canadian fur trader
Larimer CountyColoradoWilliam Larimer Jr., the founder of Denver
LaRue CountyKentuckyJohn LaRue, an early settler of the area
Las Animas CountyColoradoThe Purgatoire River, which was once known as the Río de las Animas Perdidas en Purgatorio, Spanish for "River of Souls Lost in Purgatory"
Lassen CountyCaliforniaPeter Lassen, one of General John C. Frémont's guides
Latah CountyIdahoNez Perce for "the place of pine trees and pestle"
Latimer CountyOklahomaJ.S. Latimer, a member of the Oklahoma Constitutional Convention
Lauderdale CountyAlabamaColonel James Lauderdale, who died during the first Battle of New Orleans
Lauderdale CountyMississippi
Lauderdale CountyTennessee
Laurel CountyKentuckyNamed for the mountain laurel trees common in the area
Laurens CountyGeorgiaColonel John Laurens, a soldier and statesman during the American Revolutionary War
Laurens CountySouth CarolinaHenry Laurens, president of the Continental Congress
Lavaca CountyTexasThe Lavaca River, itself originally called Les Veches by early French explorers for the wild buffalo that grazed its banks, which was later translated to the Spanish La Vaca, meaning "the cattle"
Lawrence CountyAlabamaJames Lawrence, a captain in the United States Navy and hero of the War of 1812
Lawrence CountyArkansas
Lawrence CountyIllinois
Lawrence CountyIndiana
Lawrence CountyKentucky
Lawrence CountyMississippi
Lawrence CountyMissouri
Lawrence CountyOhio
Lawrence CountyTennessee
Lawrence CountyPennsylvaniaUSS Lawrence, Oliver Hazard Perry's original flagship at the Battle of Lake Erie during the War of 1812
Lawrence CountySouth Dakota"Colonel" John Lawrence, who came to the county as first treasurer after serving in the Dakota Territorial Legislature
Le Flore CountyOklahomaA prominent local family of Choctaw/French descent
Le Sueur CountyMinnesotaPierre-Charles Le Sueur, a French explorer
Lea CountyNew MexicoJoseph Calloway Lea, a captain in the U.S. Army and founder of the New Mexico Military Academy
Leake CountyMississippiWalter Leake, the Governor of Mississippi
Leavenworth CountyKansasColonel Henry Leavenworth, who established the original Fort Leavenworth
Lebanon CountyPennsylvaniaA Biblical name meaning "white mountain"
Lee CountyAlabamaRobert E. Lee, the highest-ranking general of the Confederate States Army during the American Civil War
Lee CountyArkansas
Lee CountyFlorida
Lee CountyMississippi
Lee CountyNorth Carolina
Lee CountySouth Carolina
Lee CountyTexas
Lee CountyGeorgiaRichard Henry Lee, a Virginia statesman who proposed in the Continental Congress that the colonies declare themselves free and independent, leading to the Declaration of Independence
Lee CountyIllinois
Lee CountyIowaUncertain; possibly Robert E. Lee, who surveyed the Des Moines Rapids; William Elliot Lee, a land dealer who owned an area of Iowa that included the future county; Marsh, Delevan & Lee of New York, who owned interests in the Half-Breed Tract; or Albert Miller Lea, who surveyed the interior of Iowa
Lee CountyKentuckyUncertain; either Robert E. Lee or his father, General Light-Horse Harry Lee, the 9th Governor of Virginia
Lee CountyVirginiaGeneral Light-Horse Harry Lee, the 9th Governor of Virginia and father of Robert E. Lee
Leelanau CountyMichiganInvented by Henry Schoolcraft, who gave the name "Leelinau" to some Native American women in his stories
Leflore CountyMississippiGreenwood LeFlore, a Choctaw leader
Lehigh CountyPennsylvaniaDerived from the Delaware Indian term Lechauweki or Lechauwekink, meaning "where there are forks"
Lemhi CountyIdahoKing Limhi, a figure in the Book of Mormon
Lenawee CountyMichiganDerived from either the Delaware leno or lenno or the Shawnee lenawai, meaning "man"
Lenoir CountyNorth CarolinaWilliam Lenoir, an officer in the American Revolutionary War
Leon CountyFloridaJuan Ponce de León, a Spanish explorer
Leon CountyTexasMartín De León, the founder of Victoria, Texas
Leslie CountyKentuckyPreston H. Leslie, the 26th Governor of Kentucky
Letcher CountyKentuckyRobert P. Letcher, the 15th Governor of Kentucky
Levy CountyFloridaDavid Levy Yulee, an industrialist and U.S. Senator
Lewis CountyIdahoMeriwether Lewis, a co-leader of the Lewis and Clark Expedition
Lewis CountyKentucky
Lewis CountyMissouri
Lewis CountyTennessee
Lewis CountyWashington
Lewis CountyNew YorkMorgan Lewis, the third Governor of New York
Lewis CountyWest VirginiaColonel Charles Lewis, a soldier and pioneer leader
Lewis and Clark CountyMontanaMeriwether Lewis and William Clark, who undertook the first expedition across the interior of the United States to the Pacific coast
City of LexingtonVirginiaThe Battle of Lexington, fought in Lexington, Massachusetts during the American Revolutionary War
Lexington CountySouth Carolina
Liberty CountyFloridaNamed for the philosophical ideal
Liberty CountyGeorgia
Liberty CountyMontana
Liberty CountyTexas
Licking CountyOhioThe Licking River, the etymology of which is highly conjectural
Limestone CountyAlabamaLimestone Creek, itself named for the fact that it flows over limestone bedrock
Limestone CountyTexasFrom the numerous limestone deposits in the area
Lincoln CountyArkansasAbraham Lincoln, the 16th President of the United States
Lincoln CountyColorado
Lincoln CountyIdaho
Lincoln CountyKansas
Lincoln CountyMinnesota
Lincoln CountyMississippi
Lincoln CountyMontana
Lincoln CountyNebraska
Lincoln CountyNevada
Lincoln CountyNew Mexico
Lincoln CountyOklahoma
Lincoln CountyOregon
Lincoln CountyWashington
Lincoln CountyWest Virginia
Lincoln CountyWisconsin
Lincoln CountyWyoming
Lincoln CountyLouisiana
Lincoln CountyGeorgiaBenjamin Lincoln, a leading general in the American Revolutionary War and the first U.S. Secretary of War
Lincoln CountyKentucky
Lincoln CountyMissouri
Lincoln CountyNorth Carolina
Lincoln CountyTennessee
Lincoln CountyMaineThe city of Lincoln, England
Lincoln CountySouth DakotaNamed after Lincoln County, Maine
Linn CountyIowaLewis F. Linn, a U.S. Senator who represented Missouri
Linn CountyKansas
Linn CountyMissouri
Linn CountyOregon
Lipscomb CountyTexasAbner Smith Lipscomb, a judge and Secretary of State of the Republic of Texas
Litchfield CountyConnecticutThe city of Litchfield, England
Little River CountyArkansasThe Little River, which forms part of the county boundary
Live Oak CountyTexasThe Texas live oak tree under which the petition for a new county was signed
Livingston CountyIllinoisEdward Livingston, the 46th mayor of New York City, a U.S. Congressman and the 11th U.S. Secretary of State
Livingston CountyKentucky
Livingston CountyMichigan
Livingston CountyMissouri
Livingston ParishLouisiana
Livingston CountyNew YorkRobert R. Livingston, one of the drafters of the Declaration of Independence and the first Chancellor of New York
Llano CountyTexasThe Llano River, itself named for the Spanish llano, meaning "plains"
Logan CountyArkansas
Logan CountyColoradoJohn A. Logan, a U.S. Congressman and Union general during the American Civil War
Logan CountyKansas
Logan CountyNebraska
Logan CountyNorth Dakota
Logan CountyOklahoma
Logan CountyIllinoisDr. John Logan, a pioneer physician and father of General John A. Logan
Logan CountyKentuckyBenjamin Logan, a general and advocate for Kentucky's statehood in the Virginia legislature
Logan CountyOhio
Logan CountyWest VirginiaLogan, a famous chief of the Mingo tribe
Long CountyGeorgiaDr. Crawford W. Long, a pioneer anesthesiologist
Lonoke CountyArkansasFor a "lone oak" tree landmark
Lorain CountyOhioThe province of Lorraine, France
Los Alamos CountyNew MexicoLos Alamos Ranch School, via Los Alamos National Laboratory, itself named for the Spanish los alamos, meaning "the cottonwoods"
Los Angeles CountyCaliforniaSpanish for "the angels", originally Pueblo del Río de Nuestra Señora la Reina de Los Ángeles de Porciuncula ("Town of the River of Our Lady, Queen of the Angels")
Loudon CountyTennesseeFort Loudoun, itself named for John Campbell, 4th Earl of Loudoun
Loudoun CountyVirginiaJohn Campbell, 4th Earl of Loudoun, a commander of British forces during the French and Indian Wars
Louisa CountyIowaLouisa Massey, an Iowa townswoman who avenged the murder of her brother
Louisa CountyVirginiaPrincess Louise of Great Britain, the youngest surviving daughter of George II of Great Britain
Loup CountyNebraskaThe Loup River, from the French word for "wolf"
Love CountyOklahomaOverton Love, a member of a Chickasaw family
Loving CountyTexasOliver Loving, a cattle rancher and pioneer of the cattle drive
Lowndes CountyAlabamaWilliam Jones Lowndes, a lawyer and U.S. Congressman from South Carolina
Lowndes CountyGeorgia
Lowndes CountyMississippi
Lubbock CountyTexasThomas Saltus Lubbock, a Texas Ranger and Confederate soldier during the American Civil War
Lucas CountyIowaRobert Lucas, the first Governor of the Iowa Territory and the 12th Governor of Ohio
Lucas CountyOhio
Luce CountyMichiganCyrus G. Luce, the 21st Governor of Michigan
Lumpkin CountyGeorgiaWilson Lumpkin, a U.S. Congressman and the 35th Governor of Georgia
Luna CountyNew MexicoSolomon Luna, a rancher and political figure
Lunenburg CountyVirginiaThe Duchy of Brunswick-Lüneburg, an historical polity in northwestern Germany
Luzerne CountyPennsylvaniaAnne-César, Chevalier de la Luzerne, French minister to the United States during the American Revolutionary War
Lycoming CountyPennsylvaniaDelaware Indian word meaning "sandy creek" or "gravelly creek"
Lyman CountySouth DakotaW.P. Lyman, a legislator of the Dakota Territory
City of LynchburgVirginiaJohn Lynch, who founded the first European settlement at the site
Lynn CountyTexasWilliam Lynn, a soldier believed to have died defending the Alamo
Lyon CountyIowaNathaniel Lyon, the first Union general killed in the American Civil War
Lyon CountyKansas
Lyon CountyKentucky
Lyon CountyMinnesota
Lyon CountyNevada

M
County nameStateName origin
Mackinac CountyMichiganNamed for the French interpretation of a Native American word meaning "great turtle", referring to the shape of nearby Mackinac Island as seen from a distance
Macomb CountyMichiganAlexander Macomb, a hero of the War of 1812 and later the Commanding General of the United States Army
Macon CountyAlabamaNathaniel Macon, a U.S. Congressman and President pro tempore of the U.S. Senate
Macon CountyGeorgia
Macon CountyIllinois
Macon CountyMissouri
Macon CountyNorth Carolina
Macon CountyTennessee
Macoupin CountyIllinoisMiami-Illinois term for the American lotus
Madera CountyCaliforniaSpanish word for "wood", as lumbering was a major industry in the county at the time
Madison CountyAlabamaJames Madison, the 4th President of the United States
Madison CountyArkansas
Madison CountyFlorida
Madison CountyGeorgia
Madison CountyIdaho
Madison CountyIllinois
Madison CountyIndiana
Madison CountyIowa
Madison CountyKentucky
Madison CountyMississippi
Madison CountyMissouri
Madison CountyNew York
Madison CountyNorth Carolina
Madison CountyOhio
Madison CountyTennessee
Madison CountyTexas
Madison CountyVirginia
Madison ParishLouisiana
Madison CountyMontanaThe Madison River, itself named for James Madison
Madison CountyNebraskaMadison, the capital of Wisconsin and the origin of most early settlers in the county, which was itself named for James Madison
Magoffin CountyKentuckyBeriah Magoffin, the 21st Governor of Kentucky
Mahaska CountyIowaChief Mahaska of the Iowa tribe
Mahnomen CountyMinnesotaOjibwe word for wild rice
Mahoning CountyOhioAn Indian word meaning "salt licks"
Major CountyOklahomaJohn C. Major, a delegate to the Oklahoma Constitutional Convention
Malheur CountyOregonThe Malheur River which runs through it, itself named after the French word for "misfortune", referring to the unfortunate circumstance that some beaver furs cached near the river by early French Canadian voyageurs were stolen by local Indians
City of ManassasVirginiaManassas Junction, of uncertain origin; perhaps after a Jewish pedlar named Manasseh
City of Manassas ParkVirginia
Manatee CountyFloridaThe manatee, an aquatic mammal native to the Florida coast
Manistee CountyMichiganThe Manistee River, itself derived from a Native American word which means "river at whose mouth there are islands"
Manitowoc CountyWisconsinAn Indian word for "place of spirits"
Maʻopūtasi CountyAmerican SamoaSamoan for "the only house of chiefs"
Marathon CountyWisconsinNamed for the Battle of Marathon, a famous battle of the Greco-Persian Wars in ancient Greece
Marengo CountyAlabamaNamed for the Battle of Marengo, fought in Italy during the Napoleonic-era War of the Second Coalition
Maricopa CountyArizonaThe Maricopa people, a Native American tribe[1]
Maries CountyMissouriProbably a corruption of the French word marais, meaning "marsh"
Marin CountyCaliforniaDisputed; possibly named for Chief Marin of the Licatiut tribe or for the bay called Bahia de Nuestra Senora del Rosario la Marinera
Marinette CountyWisconsinA corrupted form of Marie Antoinette, whose nickname "Marinette" was applied to Marguerite Chevalier, after whom the original town was actually named
Marion CountyAlabamaFrancis Marion, a Continental Army officer nicknamed the "Swamp Fox" for his activity in the Southern Theater of the American Revolutionary War
Marion CountyArkansas
Marion CountyFlorida
Marion CountyGeorgia
Marion CountyIllinois
Marion CountyIndiana
Marion CountyIowa
Marion CountyKentucky
Marion CountyMississippi
Marion CountyMissouri
Marion CountyOhio
Marion CountyOregon
Marion CountySouth Carolina
Marion CountyTennessee
Marion CountyTexas
Marion CountyWest Virginia
Marion CountyKansasNamed after Marion County, Ohio
Mariposa CountyCaliforniaSpanish for "butterfly", as Spanish explorers encountered large clusters of butterflies where they named Mariposa Creek
Marlboro CountySouth CarolinaJohn Churchill, 1st Duke of Marlborough, an English soldier and statesman
Marquette CountyMichiganPère Jacques Marquette, a French Jesuit missionary and one of the first Europeans to explore and map the upper Mississippi River
Marquette CountyWisconsin
Marshall CountyAlabamaJohn Marshall, the 4th Chief Justice of the Supreme Court and the 4th U.S. Secretary of State
Marshall CountyIllinois
Marshall CountyIndiana
Marshall CountyIowa
Marshall CountyKentucky
Marshall CountyMississippi
Marshall CountyTennessee
Marshall CountyWest Virginia
Marshall CountyKansasFrancis J. Marshall, a military officer who established a ferry there and a member of the first state legislature
Marshall CountyMinnesotaWilliam Rainey Marshall, the 5th Governor of Minnesota
Marshall CountyOklahomaThe maiden name of the mother of George A. Henshaw, a delegate to the Oklahoma Constitutional Convention
Marshall CountySouth DakotaMarshall Vincent, a county resident
Martin CountyFloridaJohn W. Martin, the 24th Governor of Florida
Martin CountyIndianaJohn T. Martin of Kentucky
Martin CountyKentuckyJohn Preston Martin, a U.S. Congressman and state legislator
Martin CountyMinnesotaUncertain; either Henry Martin, a prominent landowner, or Morgan Lewis Martin, a U.S. Congressman from Wisconsin who introduced a bill for the organization of the Minnesota Territory
Martin CountyNorth CarolinaJosiah Martin, the last colonial governor of North Carolina
Martin CountyTexasWylie Martin, an early settler of the region
City of MartinsvilleVirginiaJoseph Martin, a general in the Virginia militia during the American Revolutionary War and the city's founder
Mason CountyIllinoisNamed for Mason County, Kentucky
Mason CountyKentuckyGeorge Mason, a Founding Father largely responsible for the Bill of Rights
Mason CountyWest Virginia
Mason CountyMichiganStevens T. Mason, the first Governor of Michigan
Mason CountyTexasFort Mason, itself named for George Thomson Mason, a U.S. Army lieutenant killed during the Mexican–American War
Mason CountyWashingtonC.H. Mason, the first secretary of the Washington Territory
Massac CountyIllinoisClaude Louis d'Espinchal, marquis de Massiac, a French Naval Minister
Matagorda CountyTexasSpanish for "thick reeds", after the canebrakes that once lined the Gulf of Mexico coastline
Matanuska-Susitna BoroughAlaskaMatanuska River and Susitna River
Mathews CountyVirginiaThomas Mathews, a state legislator
Maui CountyHawaiiNamed after Maui, the largest and most populous of the five islands that make up the county
Maury CountyTennesseeAbram Poindexter Maury, Sr., a pioneer, farmer, and state senator
Maverick CountyTexasSamuel Augustus Maverick, a lawyer and rancher whose stubborn independence, allegedly for refusing to brand his cattle, is the origin of the word "maverick"
Mayes CountyOklahomaNamed for a prominent family and two chiefs of the Cherokee Nation
McClain CountyOklahomaCharles M. McClain, a member of the Oklahoma Constitutional Convention
McCone CountyMontanaGeorge McCone, a state senator
McCook CountySouth DakotaEdwin McCook, a Union Army officer during the American Civil War and Secretary of the Dakota Territory
McCormick CountySouth CarolinaCyrus McCormick, a businessman often credited as the inventor of the mechanical reaper
McCracken CountyKentuckyVirgil McCracken, a hero of the War of 1812
McCreary CountyKentuckyJames B. McCreary, the 27th and 37th Governor of Kentucky
McCulloch CountyTexasBenjamin McCulloch, a Texas Ranger and Confederate general during the American Civil War
McCurtain CountyOklahomaNamed for three brothers who were each principal chiefs of the Choctaw Nation
McDonald CountyMissouriAlexander McDonald, a soldier during the American Revolutionary War
McDonough CountyIllinoisThomas Macdonough, a naval officer and hero of the War of 1812 who defeated the British on Lake Champlain during the Battle of Plattsburgh
McDowell CountyNorth CarolinaJoseph McDowell Jr., an officer during the American Revolutionary War and later a U.S. Congressman
McDowell CountyWest VirginiaJames McDowell, the 29th Governor of Virginia
McDuffie CountyGeorgiaGeorge McDuffie, the 55th Governor of South Carolina
McHenry CountyIllinoisWilliam McHenry, a military officer in the War of 1812 and the Black Hawk War and a state legislator
McHenry CountyNorth DakotaJames McHenry, an early settler
McIntosh CountyGeorgiaThe McIntosh clan, which pioneered the area
McIntosh CountyNorth DakotaEdward H. McIntosh, a member of the state legislature
McIntosh CountyOklahomaA prominent family of the Creek Nation
McKean CountyPennsylvaniaThomas McKean, the 2nd President of Delaware and the 2nd Governor of Pennsylvania
McKenzie CountyNorth DakotaAlexander McKenzie, a powerful political leader
McKinley CountyNew MexicoPresident William McKinley
McLean CountyIllinoisJohn McLean, first representative in Congress from Illinois and U.S. Senator
McLean CountyKentuckyJudge Alney McLean, an officer in the War of 1812
McLean CountyNorth DakotaJohn A. McLean, a prominent citizen and the first mayor of Bismarck
McLennan CountyTexasNeil McLennan, an early settler
McLeod CountyMinnesotaMartin McLeod, a pioneer fur trader and member of the council in the territorial legislature
McMinn CountyTennesseeJoseph McMinn, speaker of the state senate and governor of Tennessee
McMullen CountyTexasJohn McMullen, an Irish founder of a colony in Texas
McNairy CountyTennesseeJohn McNairy, a Constitutional Convention delegate and U.S. district judge for Tennessee
McPherson CountyKansasMajor-General James Birdseye McPherson, who was killed in the Civil War
McPherson CountyNebraska
McPherson CountySouth Dakota
Meade CountyKansasMajor-General George C. Meade
Meade CountySouth Dakota
Meade CountyKentuckyCapt. James Meade, a hero of the War of 1812
Meagher CountyMontanaThomas Francis Meagher, acting Governor of the Montana Territory
Mecklenburg CountyNorth CarolinaThe German state of Mecklenburg-Strelitz. Could also be named for Charlotte of Mecklenburg, queen consort of George III of Great Britain.
Mecklenburg CountyVirginiaCharlotte of Mecklenburg
Mecosta CountyMichiganPotawatomi chief Mecosta
Medina CountyOhioThe county was named for the Arabian city of Medina, the former home of the Islamic faith's prophet Mohammed
Medina CountyTexasThe Medina River, itself named after Pedro Medina, a Spanish engineer
Meeker CountyMinnesotaBradley B. Meeker, jurist and member of the territorial legislature
Meigs CountyOhioReturn J. Meigs Jr., the 4th Governor of Ohio and 8th Postmaster General
Meigs CountyTennesseeReturn J. Meigs Sr., an officer in the Continental Army
Mellette CountySouth DakotaArthur C. Mellette, the first governor of South Dakota and the last governor of Dakota Territory.
Menard CountyIllinoisPierre Menard, the first Lieutenant Governor of Illinois
Menard CountyTexasMichel Branamour Menard, the founder of Galveston, Texas
Mendocino CountyCaliforniaAttributive form of the Spanish surname Mendoza, for either Antonio de Mendoza, Viceroy of New Spain, or Lorenzo Suarez de Mendoza, another Viceroy, after Cape Mendocino
Menifee CountyKentuckyRichard Hickman Menefee, a U.S. Congressman
Menominee CountyMichiganThe Menominee, who lived in the vicinity, "Menominee" means "rice men" or "rice gatherers"
Menominee CountyWisconsinFor the coterminous Menominee Indian Reservation
Merced CountyCaliforniaSpanish for "mercy", from the Merced River, named by a traveler after a long dusty journey
Mercer CountyIllinoisHugh Mercer, an officer in the Continental Army killed in the Battle of Princeton
Mercer CountyKentucky
Mercer CountyNew Jersey
Mercer CountyOhio
Mercer CountyPennsylvania
Mercer CountyWest Virginia
Mercer CountyMissouriJohn F. Mercer, a Revolutionary War general
Mercer CountyNorth DakotaWilliam Henry Harrison Mercer, an early rancher
Meriwether CountyGeorgiaGeneral David Meriwether, who served in the Revolutionary War and was a state legislator and a member of congress
Merrick CountyNebraskaElvira Merrick, wife of Henry W. DePuy, a territorial legislator
Merrimack CountyNew HampshireThe Merrimack River, probably of Native American origin, but conjectural
Mesa CountyColoradoNamed for Grand Mesa, a large flat-topped geologic formation near Grand Junction
Metcalfe CountyKentuckyThomas Metcalfe, officer in the War of 1812, and Kentucky governor
Miami CountyIndianaThe Miami people, a Native American tribe
Miami CountyKansas
Miami CountyOhio
Miami-Dade CountyFloridaAn amalgamation of:
Middlesex CountyConnecticutMiddlesex, one of the historic counties of England
Middlesex CountyMassachusetts
Middlesex CountyNew Jersey
Middlesex CountyVirginia
Midland CountyMichiganFor its location near the geographical center of the Lower Peninsula
Midland CountyTexasFor its location midway between Fort Worth and El Paso on the Texas and Pacific Railroad
Mifflin CountyPennsylvaniaThe first governor of Pennsylvania, Thomas Mifflin
Milam CountyTexasBenjamin Rush Milam, an early Texas colonizer and soldier killed in the Texas Revolution
Millard CountyUtahPresident Millard Fillmore
Mille Lacs CountyMinnesotaFrench for "thousand lakes"
Miller CountyArkansasJames Miller, the first governor of the Arkansas Territory and a Brigadier General during the War of 1812.
Miller CountyGeorgiaJudge Andrew J. Miller, who served as a commander of the Oglethorpe Infantry
Miller CountyMissouriJohn Miller, governor of Missouri
Mills CountyIowanamed for Major Frederick Mills, killed in the Mexican–American War.
Mills CountyTexasJohn T. Mills, an early judge in Texas
Milwaukee CountyWisconsinuncertain, but believed to be from a Potawatomi word "Mahnawaukee-Seepe" meaning "gathering place by the river."
Miner CountySouth Dakotanamed for territorial legislators Nelson Miner and Ephriam Miner.
Mineral CountyColoradoNamed for the economically valuable mineral resources found in the county
Mineral CountyMontana
Mineral CountyNevada
Mineral CountyWest Virginia
Mingo CountyWest VirginiaNamed for the Mingo Indian tribe
Minidoka CountyIdahoDerived from a Dakota Sioux word meaning "a fountain or spring of water"
Minnehaha CountySouth DakotaDerived from a Native American word meaning "river waterfall"
Missaukee CountyMichiganNamed for Ottawa chief Missaukee
Mississippi CountyArkansasThe Mississippi River, itself named after the Ojibwe term for "great river"
Mississippi CountyMissouri
Missoula CountyMontanaA contraction of the Flathead word im-i-sul-e-etiku, meaning "near the place of fear"
Mitchell CountyGeorgiaUncertain; either Henry Mitchell, a hero of the American Revolutionary War and president of the state senate, or David Brydie Mitchell, governor
Mitchell CountyIowaNamed by Irish settlers for John Mitchel, an Irish nationalist who escaped to the U.S.
Mitchell CountyKansasWilliam D. Mitchell, a Union Army officer killed during the American Civil War
Mitchell CountyNorth CarolinaElisha Mitchell, an explorer of Mount Mitchell
Mitchell CountyTexasAsa and Eli Mitchell, early settlers of Stephen F. Austin's colony
Mobile CountyAlabamaFrom the Muskhogean name for the town of Mauvila, found by the first explorers
Modoc CountyCaliforniaThe Modoc people, a Native American tribe
Moffat CountyColoradoDavid Moffat, a railroad tycoon and banker
Mohave CountyArizonaThe Mohave people, a Native American tribe
Moniteau CountyMissouriFrench spelling of an Indian word meaning "spirit of God"
Monmouth CountyNew JerseyMonmouthshire, a county in southeast Wales
Mono CountyCaliforniaMono Lake, itself named for an Indian tribe, possibly from monachie, meaning "fly people", referring to an insect that formed part of their diet
Monona CountyIowaDisputed; possibly the name of a legendary bereaved Indian girl who leaped into the Mississippi River, or the name of an Indian divinity, or an Ottawa word meaning "beautiful land"
Monongalia CountyWest VirginiaVariant spelling of the Monongahela River, which means "unstable river banks"
Monroe CountyAlabamaJames Monroe, the 5th President of the United States
Monroe CountyArkansas
Monroe CountyFlorida
Monroe CountyGeorgia
Monroe CountyIllinois
Monroe CountyIndiana
Monroe CountyIowa
Monroe CountyKentucky
Monroe CountyMichigan
Monroe CountyMississippi
Monroe CountyMissouri
Monroe CountyNew York
Monroe CountyOhio
Monroe CountyPennsylvania
Monroe CountyTennessee
Monroe CountyWest Virginia
Monroe CountyWisconsin
Montague CountyTexasDaniel Montague, a state senator and early surveyor of the county
Montcalm CountyMichiganLouis-Joseph de Montcalm
Monterey CountyCaliforniaThe Spanish words monte and rey, together meaning "king of the forest"; Monterey Bay was named in honor of the Conde de Monterey, the Viceroy of New Spain
Montezuma CountyColoradoMoctezuma II, the last ruler of the Aztecs in central Mexico; the county's world-famous Mesa Verde ruins were once thought to have been built by the Aztecs
Montgomery CountyAlabamaRichard Montgomery, an officer during the American Revolutionary War
Montgomery CountyArkansas
Montgomery CountyGeorgia
Montgomery CountyIllinois
Montgomery CountyIndiana
Montgomery CountyIowa
Montgomery CountyKentucky
Montgomery CountyMaryland
Montgomery CountyMississippi
Montgomery CountyMissouri
Montgomery CountyNew York
Montgomery CountyNorth Carolina
Montgomery CountyOhio
Montgomery CountyTexas
Montgomery CountyVirginia
Montgomery CountyKansasUncertain; either James M. Montgomery, an abolitionist and preacher, or Richard Montgomery
Montgomery CountyPennsylvaniaUncertain; either Richard Montgomery or Montgomeryshire, a county in Wales, as that part of Pennsylvania was settled by Welsh Quakers
Montgomery CountyTennesseeJohn Montgomery, an explorer and Indian fighter
Montmorency CountyMichiganRaymond de Montmorency, a French officer who helped the colonies against England during the American Revolutionary War
Montour CountyPennsylvaniaMadame Montour, a woman of Indian and French descent who was prominent in the Indian affairs
Montrose CountyColoradoThe town of Montrose, which itself is named after the novel A Legend of Montrose by Sir Walter Scott
Moody CountySouth DakotaGideon C. Moody, a territorial legislator and later U.S. Senator
Moore CountyNorth CarolinaAlfred Moore, an officer during the American Revolutionary War and a U.S. Supreme Court justice
Moore CountyTennesseeWilliam Moore, an officer during the War of 1812 and later a state legislator
Moore CountyTexasEdwin Ward Moore, a Republic of Texas naval officer
Mora CountyNew MexicoUncertain; either from names of early settlers, such as Mora Pineda and Garcia de la Mora, or from the Spanish word meaning "blackberry" or "mulberry"
Morehouse ParishLouisianaAbraham Morehouse, an early settler
Morgan CountyAlabamaDaniel Morgan, an officer during the American Revolutionary War and a U.S. representative
Morgan CountyGeorgia
Morgan CountyIllinois
Morgan CountyIndiana
Morgan CountyKentucky
Morgan CountyMissouri
Morgan CountyOhio
Morgan CountyTennessee
Morgan CountyWest Virginia
Morgan CountyColoradoThe town of Fort Morgan (the county seat), itself named for U.S. Army Colonel Christopher A. Morgan, an aide to Civil War general John Pope
Morgan CountyUtahJedediah Morgan Grant, a prominent Mormon churchman
Morrill CountyNebraskaCharles Henry Morrill, a regent of the University of Nebraska
Morris CountyKansasThomas Morris, a U.S. Senator
Morris CountyNew JerseyLewis Morris, a colonial governor of the Province of New Jersey
Morris CountyTexasW.W. Morris, a prominent attorney in east Texas
Morrison CountyMinnesotaWilliam and Allen Morrison, fur traders
Morrow CountyOhioJeremiah Morrow, the 9th Governor of Ohio
Morrow CountyOregonJackson L. Morrow, a member of the first state legislature
Morton CountyKansasOliver Hazard Perry Throck Morton, a jurist and U.S. Senator
Morton CountyNorth Dakota
Motley CountyTexasJunius William Mottley, a signer of the Texas Declaration of Independence
Moultrie CountyIllinoisWilliam Moultrie, an officer during the American Revolutionary War and the 35th Governor of South Carolina
Mountrail CountyNorth Dakota"Savage" Joseph Mountraille, a prominent voyageur who carried the mail
Mower CountyMinnesotaJohn Mower, a territorial and state legislator
Muhlenberg CountyKentuckyPeter Muhlenberg, a clergyman and soldier during the American Revolutionary War
Multnomah CountyOregonAn Indian village on Sauvie Island, itself named after nemathlonamaq, probably meaning "downriver"
Murray CountyGeorgiaThomas W. Murray, a state legislator
Murray CountyMinnesotaWilliam Pitt Murray, a state legislator
Murray CountyOklahomaWilliam H. Murray, the 9th Governor of Oklahoma
Muscatine CountyIowaThe Mascouten tribe of the Potawatomi Indians, a name possibly meaning "burning island"
Muscogee CountyGeorgiaThe Muscogee people, a Native American tribe
Muskegon CountyMichiganThe Muskegon River, itself named for the Ojibwa/Chippewa word mashkig, meaning "swamp" or "marsh"
Muskingum CountyOhioDerived from an Indian word meaning "near the river"; the Muskingum River flows through the county
Muskogee CountyOklahomaMuscogee (Creek) Nation
Musselshell CountyMontanaNamed for mussels found on the banks of the Musselshell River

See also

References
  1. "Archived copy". Archived from the original on 2008-12-18. Retrieved 2008-12-25.CS1 maint: archived copy as title (link)
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