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Ohio's Counties

Adams was named for our second President, John Adams, during whose administration the county was organized.

Established 1797 / Organized 1797.  County Seat West Union. Located in SW Ohio. Area: 587 sq miles.

US GenWeb site  for Adams county.                       

Allen  was probably named for either Colonel Ethan Allen, a hero of the Revolutionary War or possibly for Colonel John L. Allen, a hero of the War of 1812. 

Established 1820 / Organized 1831.  County Seat LimaLocated in NW Ohio.  Area: 410 square miles

US GenWeb for Allen county.                                    

Ashland was named after "Ashland", home of the Whig candidate for President, Henry Clay  (outside Lexington, Kentucky.)

Established 1846 / Organized 1846.  County Seat AshlandLocated in NE Ohio.  Area: 424 square miles

US GenWeb for Ashland county.                               

Ashtabula was named after the Ashtabula River which meant "Fish River" in the local Indian dialect.

Established 1808 / Organized 1811.  County Seat Jefferson.   Located in NE Ohio.  Area: 700 square miles

US GenWeb for Ashtabula county.                            

Athens was named after Athens, Greece.

Established 1805 / Organized 1805.  County Seat AthensLocated in SE Ohio.  Area: 504 square miles

US GenWeb for Athens county.                                  

Auglaize was named for the Auglaize River. "Auglaize" is a Shawnee Indian word meaning "fallen timbers".

Established 1848 / Organized 1848.  County Seat WapakonetaLocated in NW Ohio.  Area: 400 sq miles

US GenWeb for Auglaize county.                                Rootsweb site for Auglaize county.

Belmont comes from the French words "belle monte", meaning "beautiful mountain" describing the hills of the county.

Established 1801 / Organized 1801.  County Seat St Clairsville.   Located in SE Ohio.  Area: 534 square miles

US GenWeb for Belmont county.                                

Brown was named for Gen. Jacob Brown, a hero of the War of 1812. Georgetown, the county seat, was the boyhood home Ulysses Simpson Grant; Civil War General and 18th President of the United States.

Established 1818 / Organized 1818.  County Seat Georgetown. Located in SW Ohio. Area: 796 sq miles.

US GenWeb for Brown county.                                   

Butler was named for Major General Richard Butler, killed during the disastrous defeat of General Arthur St. Clair by the Indians on Nov. 4, 1791.

Established 1803 / Organized 1803.  County Seat Hamilton. Located in SW Ohio. Area: 471 sq miles.

US GenWeb for Butler county.                                     

Carroll took the name Carroll from Charles Carroll Of Carrollton, Maryland, the last surviving signer of the Declaration of Independence, who died in Baltimore on November 14, 1832, at the age of 96.

Established 1833 / Organized 1833.  County Seat CarrolltonLocated in SE Ohio.  Area: 390 square miles

US GenWeb for Carroll county.                                    

Champaign is French and means "a plain", descriptive of the level land in the Area:.

Established 1805 / Organized 1805.  County Seat Urbana. Located in SW Ohio. Area: 432 sq miles.

US GenWeb for Champaign county.                           

Clark was named for Brigadier General George Rogers Clark who defeated the Shawnee Indians in a battle near Springfield, on August 8, 1780. Tecumseh, the famous Shawnee Chief, was born in this county.

Established 1818 / Organized 1818.  County Seat Springfield. Located in SW Ohio. Area: 402 sq miles.

US GenWeb for Clark county.                                   

Clermont comes from the French word meaning "clear mountain".

Established 1800 / Organized 1800.  County Seat Batavia. Located  in SW Ohio. Area: 458 sq miles.

US GenWeb for Clermont county.                               

Clinton was named in honor of George Clinton, who was vice president of the United States when the county was formed.

Established 1810 / Organized 1810.  County Seat Wilmington.   Located in SW Ohio. Area: 410 sq miles.

US GenWeb for Clinton county.                                  

Columbiana was derived from the words Columbus and Anna.

Established 1803 / Organized 1803.  County Seat Lisbon.   Located in NE Ohio.  Area: 534 square miles

US GenWeb for Columbiana county.                          

Coshocton is an anglicized version of the Indian village "Goschach-gunk" or "Goschaching" meaning "Black Bear Town" or "where there is a river crossing".

Established 1810 / Organized 1811.  County Seat Coshocton.   Located in SE Ohio.  Area: 562 square miles

US GenWeb for Coshocton county.                         

Crawford was named in honor of Col. William Crawford who was burned at the stake in 1782 by Indians.

Established 1820 / Organized 1826.  County Seat Bucyrus. Located in NW Ohio.  Area: 404 square miles

US GenWeb for Crawford county.                              

Cuyahoga was  named for the Cuyahoga River. Cuyahoga is an Indian word meaning "crooked", or "winding stream".

Established 1808 / Organized 1810.  County Seat Cleveland.   Located in NE Ohio.  Area: 456 square miles

US GenWeb for Cuyahoga county.                            

Darke was named for Gen. William Darke, Revolutionary War hero.

Established 1809 / Organized 1817.  County Seat Greeneville. Located in SW Ohio. Area: 605 sq miles.

US GenWeb for Darke county.                                    Rootsweb site for Darke county.

Defiance was named for Fort Defiance built in 1794 by General Anthony Wayne.

Established 1845 / Organized 1845.  County Seat Defiance Located in NW Ohio.  Area: 412 square miles

US GenWeb for Defiance county.                              

Delaware was named for the Delaware Indians who came from the Delaware River Area: near Philadelphia.

Established 1808 / Organized 1808.  County Seat Delaware.  Located in Central Ohio.  Area: 450 sq miles.

US GenWeb for Delaware county.    3/6/2003 this link doesn't work.  Try the archive site http://www.rootsweb.com/~usgenweb/oh/delaware.htm         

Erie was named for the Erie Indian tribe. In their Indian dialect the word "erie" meant "cat" or "wildcat".

Established 1838 / Organized 1838.  County Seat Sandusky Located in NW Ohio.  Area: 264 square miles

US GenWeb for Erie county.                                     

Fairfield  was named by Arthur St. Clair, Governor of the Northwest Territory,. for the beauty of its "fair fields".

Established 1800 / Organized 1800.  County Seat Lancaster.   Located in Central Ohio.  Area: 450 sq miles.

US GenWeb for Fairfield county.                              

Fayette was named for Marie Joseph Paul Yves Roch Gilbert du Motier, the Marquis de LaFayette. He served as an American Major General in the Revolutionary War and was named an honorary U.S. citizen in 1803.

Established 1810 / Organized 1810.  County Seat Washington Court House.   Located in Central Ohio.  Area: 406 square miles.

US GenWeb for Fayette county.                               

Franklin was named for Benjamin Franklin, Printer and Diplomat.

Established 1803 / Organized 1803.  County Seat Columbus.  Located in Central Ohio.  Area: 552 sq miles.

US GenWeb for Franklin county.                              

Fulton was named for Robert Fulton, inventor of the steamboat.

Established 1850 / Organized 1850.  County Seat WauseonLocated in NW Ohio.  Area: 407 square miles

US GenWeb for Fulton county.                                 

Gallia  is derived from Gaul, the ancient named of France.

Established 1803 / Organized 1803.  County Seat Gallipolis.   Located in SE Ohio.  Area: 471 square miles

US GenWeb for Gallia county.                                  

Geauga  or Sheauga was the name given by the Indians to the Grand River which flows through the county. It means "raccoon".

Established 1806 / Organized 1806.  County Seat Chardon.   Located in NE Ohio.  Area: 408 square miles

US GenWeb for Geauga county.                               

Greene was  named for Gen. Nathaniel Greene. Revolutionary War hero.

Established 1803 / Organized 1803.  County Seat Xenia. Located  in SW Ohio. Area: 415 sq miles.

US GenWeb for Greene county.                                 

Guernsey was named for the Isle of Guernsey in the English Channel from whence came many of its settlers.

Established 1810 / Organized 1810.  County Seat CambridgeLocated in SE Ohio.  Area: 520 square miles

US GenWeb for Guernsey county.                            

Hamilton was named for Alexander Hamilton, the first Secretary of the Treasury, 1789-1795.

Established 1790 / Organized 1790.  County Seat Cincinnati. Located  in SW Ohio. Area: 414 sq miles.

US GenWeb for Hamilton county.                              

Hancock was named for John Hancock, Pres. of the Continental Congress (1775-1777) and first signer of the Declaration of Independence.

Established 1820 / Organized 1828.  County Seat FindlayLocated in NW Ohio.  Area: 532 square miles

US GenWeb for Hancock county.                              

Hardin was named for Colonel John Hardin who was executed by the Indians while on a peace mission in 1792.

Established 1820 / Organized 1833.  County Seat Kenton.  Located in NW Ohio.  Area: 467 square miles

US GenWeb for Hardin county.                                  

Harrison was named for General William Henry Harrison, a hero of the War of 1812. First U.S. President to have lived in Ohio.

Established 1813 / Organized 1813.  County Seat Cadiz.   Located in SE Ohio.  Area: 401 square miles

US GenWeb for Harrison county.                              

Henry was named for Patrick Henry, Governor of Virginia 1776-1779 and 1784-1786; a celebrated orator of the Revolutionary War period.

Established 1820 / Organized 1834.  County Seat NapoleonLocated in NW Ohio.  Area: 420 square miles

US GenWeb for Henry county.                                    R

Highland describes the county's terrain.

Established 1805 / Organized 1805.  County Seat Hillsboro.  Located in SW Ohio. Area: 549 sq miles.

US GenWeb for Highland county.                              

Hocking derived its name from the Indian word "Hoch-Hoch-ing which meant "a bottle". The Hocking River flows through this county which was once claimed by the Wyandot Indians.

Established 1818 / Organized 1818.  County Seat Logan.   Located in SE Ohio.  Area: 421 square miles

US GenWeb for Hocking county.                               

Holmes was named for Major Andrew H. Holmes, who was killed during Major George Croghan's unsuccessful attack on Fort Mackinac (Michigan) on August 4, 1814.

Established 1824 / Organized 1825.  County Seat Millersburg.   Located in NE Ohio.  Area: 424 square miles

US GenWeb for Holmes county.                                 

Huron the name given by the French to the Wyandot Indian tribe who lived in this Area:.

Established 1809 / Organized 1815.  County Seat NorwalkLocated in NW Ohio.  Area: 475 square miles

US GenWeb for Huron county.                                  

Jackson was named for Major General Andrew Jackson, who defeated the British at the Battle of New Orleans, January 8, 1815.

Established 1816 / Organized 1816.  County Seat JacksonLocated in SE Ohio.  Area: 419 square miles

US GenWeb for Jackson county.                                 

Jefferson was named for Thomas Jefferson, Statesman and Vice President of the United States, March 4, 1797 to March 3, 1801.

Established 1797 / Organized 1797.  County Seat SteubenvilleLocated in SE Ohio.  Area: 411 square miles

US GenWeb for Jefferson county.                               Rootsweb site for Jefferson county.

Knox was named for General Henry Knox, the first U.S. Secretary of War.

Established 1808 / Organized 1808.  County Seat Mount Vernon.  Located in Central Ohio.  Area: 531 square miles.

US GenWeb for Knox county.                                      

Lake was  named because it borders on Lake Erie

Established 1840 / Organized 1840.  County Seat Painesville.   Located in NE Ohio.  Area: 231 square miles

US GenWeb for Lake county.                                        

Lawrence was named for Captain James Lawrence, Commander of the U.S. Frigate Chesapeake during the War of 1812.

Established 1815 / Organized 1817.  County Seat Ironton.   Located in SE Ohio.  Area: 456 square miles

US GenWeb for Lawrence county.                               

Licking derived its name from the principal stream flowing through the county. Pioneers called it the "Licking River", but it was called "Pataskala" by the Indians. The river received its name from salt licks in the Area:.

Established 1808 / Organized 1808.  County Seat Newark.   Located in Central Ohio.  Area: 686 sq miles.

US GenWeb for Licking county.                                   

Logan was named for Gen. Benjamin Logan, who destroyed the Shawnee Indians Mac-o-chee Villages in the Area: in 1796.

Established 1818 / Organized 1818.  County Seat Bellefontaine.   Located in SW Ohio. Area: 460 sq miles.

US GenWeb for Logan county.                             

Lorain was named after the Province of Lorraine, France.

Established 1822 / Organized 1824.  County Seat Elyria.   Located in NE Ohio.  Area: 495 square miles

US GenWeb for Lorain county.                       

Lucas was named for Robert Lucas, Ohio Governor 1832-1836, who personally commanded Ohio troops in the 1835 boundary dispute with Michigan. First territorial Governor of Iowa 1838-1841.

Established 1835 / Organized 1835.  County Seat ToledoLocated in NW Ohio.  Area: 357 square miles

US GenWeb for Lucas county.                                        

Madison was named for James Madison, U.S. President from March 4, 1809 to March 3, 1817.

Established 1810 / Organized 1810..  County Seat London.  Located in Central Ohio.  Area: 463 square miles

US GenWeb for Madison county.                                

Mahoning derives its name from the Mahoning River. Mahoning is from the Indian word "Mahoni" meaning a "lick" or Mahonink" meaning "at the lick".

Established 1846 / Organized 1846.  County Seat Youngstown.   Located in NE Ohio.  Area: 415 square miles

US GenWeb for Mahoning county.                        

Marion was named in honor of Gen. Francis Marion of South Carolina, the "Swamp Fox" of Revolutionary War fame.

Established 1820 / Organized 1824. County Seat Marion. Located in Central Ohio.. Area: 405 sq. miles.

US GenWeb for Marion county.                             

Medina was named for Medina in Arabia, the town to which Mohammed fled from Mecca.

Established 1812 / Organized 1818.  County Seat MedinaLocated in NE Ohio.  Area: 425 square miles

US GenWeb for Medina  county.                            

Meigs was named for Return Jonathan Meigs, Jr., Ohio Governor 1810 to 1814 and Postmaster General 1814 to 1823 who lived in Marietta.

Established 1819 / Organized 1819.  County Seat PomeroyLocated in SE Ohio.  Area: 436 square miles

US GenWeb for Meigs county.                                     

Mercer was named in honor of Gen. Hugh Mercer, who was killed at the Battle of Princeton, New Jersey, on January 3, 1777.

Established 1820 / Organized 1824.  County Seat CelinaLocated in NW Ohio.  Area: 444 square miles

US GenWeb for Mercer  county.                             

Miami was named for the Miami Indians who claimed Western Ohio and whose principal village, Pickawillany, was Located near Piqua.

Established 1807 / Organized 1807.  County Seat Troy. Located in SW Ohio. Area: 407 sq miles.

US GenWeb for Miami   county.                         

Monroe was named for James Monroe, U.S. Secretary of State, 1811-1817, and later Fifth President of the United States, 1817-1825.

Established 1814 / Organized 1815.  County Seat Woodsfield.   Located in SE Ohio.  Area: 456 square miles

US GenWeb for Monroe county.                             

Montgomery was named for General Richard Montgomery who lost his life in the assault on Quebec during the Revolutionary War.

Established 1803 / Organized 1803.  County Seat Dayton. Located in SW Ohio. Area: 459 sq miles.

US GenWeb for Montgomery county.                       Rootsweb site for Montgomery county.

Morgan was named in honor of Gen. Daniel Morgan, who won a brilliant victory against the British at Cowpens, South Carolina, January 17, 1781.

Established 1817 / Organized 1819.  County Seat McConnelsville.   Located in SE Ohio.  Area: 420 sq miles

US GenWeb for Morgan county.                               

Morrow was named for Jeremiah Morrow, Congressman 1803-1813; 1840-1843. U.S. Senator 1813-1819, and Ohio Governor 1822-1826.

Established 1848 / Organized 1848.  County Seat Mount Gilead.   Located in Central Ohio.  Area: 403 square miles.

US GenWeb for Morrow county.                           

Muskingum is an old Delaware Indian word meaning "A town by the River".

Established 1804 / Organized 1804.  County Seat Zanesville.   Located in SE Ohio.  Area: 651 square miles

US GenWeb for Muskingum county.                       

Noble was named in respect for James Noble, a pioneer settler who first bought land in the county in 1814.

Established 1851 / Organized 1851.  County Seat Sarahsville.   Located in SE Ohio.  Area: 398 square miles

US GenWeb for Noble county.                            

Ottawa was named for the Ottawa Indian tribe. The name in their language means "trader".

Established 1840 / Organized 1840.  County Seat Port ClintonLocated in NW Ohio.  Area: 261 sq miles

US GenWeb for Ottawa county.                            

Paulding was named for John Paulding, one of three soldiers who captured Major John Andre, British spy in the Revolutionary War.

Established 1820 / Organized 1839.  County Seat PauldingLocated in NW Ohio.  Area: 417 square miles

US GenWeb for Paulding county.                             

Perry was named in honor of Commodore Oliver Hazard Perry, who defeated the British in the naval Battle of Lake Erie, September 13, 1813.

Established 1818 / Organized 1818.  County Seat New LexingtonLocated in SE Ohio.  Area: 410 square miles

US GenWeb for Perry  county.                                     

Pickaway was named from a misspelling of the tribe of Indians, known as Piqua, a branch of the Shawnee Tribe.

Established 1810 / Organized 1810.  County Seat Circleville.   Located in Central Ohio.  Area: 504 sq miles.

US GenWeb for Pickaway county.                               

Pike bears the name of Brig. Gen. Zebulon Montgomery Pike, who discovered "Pike's Peak" in Colorado in 1806.

Established 1815 / Organized 1815.  County Seat Waverly.   Located in SE Ohio.  Area: 443 square miles

US GenWeb for Pike county.                                    

Portage comes from the old Indian portage path, about seven miles in length, between the Cuyahoga and Tuscarawas Rivers.

Established 1808 / Organized 1808.  County Seat RavennaLocated in NE Ohio.  Area: 495 square miles

US GenWeb for Portage county.                                  

Preble was named for Capt. Edward Preble, Naval Commander in the Revolutionary War and the War with Tripoli.

Established 1808 / Organized 1808.  County Seat Eaton. Located in SW Ohio. Area: 427 sq miles.

US GenWeb for Preble county.                                     Rootsweb site for Preble county.

Putnam was named for Israel Putnam, Revolutionary War Major General, who gained fame at the Battle of Breed's Hill, often misnamed the Battle of Bunker Hill, on June 17, 1775.

Established 1820 / Organized 1834.  County Seat OttawaLocated in NW Ohio.  Area: 486 square miles

US GenWeb for Putnam county.                                  

Richland was named for the richness of its soil.

Established 1808 / Organized 1813.  County Seat MansfieldLocated in NW Ohio.  Area: 496 square miles

US GenWeb for Richland county.                                

Ross was named by Territorial Governor Arthur St. Clair for his friend James Ross of Pennsylvania; U.S. Senator 1794-1803.

Established 1798 / Organized 1798.  County Seat Chillicothe.  Located in Central  Ohio.  Area: 687 sq miles.

US GenWeb for Ross county.                                       

Sandusky is a derivative of an Indian word meaning "cold water". In Wyandot and Huron languages it is "Sa-un-dos-tee" meaning "water within water pools".

Established 1820 / Organized 1820.  County Seat FremontLocated in NW Ohio.  Area: 409 square miles

US GenWeb for Sandusky county.                              

Scioto takes its name from the Scioto River which flows through the County. Scioto comes from an Indian word "Scionto", meaning "deer".

Established 1803 / Organized 1803.  County Seat PortsmouthLocated in SE Ohio.  Area: 508 square miles

US GenWeb for Scioto county.                              

Seneca was named for the Seneca Indians, who had a 40,000 acre reservation north of Tiffin from 1817-1831.

Established 1820 / Organized 1824.  County Seat TiftonLocated  in NW Ohio.  Area: 551 square miles

US GenWeb for Seneca  county.                                  

Shelby was named for Isaac Shelby, Revolutionary War hero and first Governor of Kentucky. Counties in nine states are named for him.

Established 1819 / Organized 1819.  County Seat Sidney. Located in SW Ohio. Area: 408 sq miles.

US GenWeb for Shelby county.                                    

Stark was named for Gen. John Stark of Revolutionary War fame.

Established 1808 / Organized 1809.  County Seat Canton.   Located in NE Ohio.  Area: 567 square miles

US GenWeb for Stark county.          

Summit derived its name from having the highest land on the line of the Ohio and Erie Canal, known as "Portage Summit".

Established 1840 / Organized 1840.  County Seat Akron.   Located in NE Ohio.  Area: 408 square miles

US GenWeb for Summit  county.                                  

Trumbull, in the Connecticut Western Reserve, was named for Jonathan Trumbull, Jr., Governor of Connecticut 1797-1809.

Established 1800 / Organized 1800.  County Seat WarrenLocated in NEOhio.  Area: 608square miles

US GenWeb for Trumbull county.                                

Tuscarawas was named for the Tuscarawas Indian Tribe who lived on the Tuscarawas River.

Established 1808 / Organized 1808.  County Seat New Philadelphia.   Located in SE Ohio.  Area: 569 sq miles

US GenWeb for Tuscarawas county.                           

Union was named because it was formed from parts of Delaware, Franklin, Madison and Logan counties.

Established 1820 / Organized 1850.  County Seat Marysville.   Located in Central Ohio.  Area: 434 sq miles.

US GenWeb for Union county.                                      

Van Wert was named for Isaac Van Wert, one of the three captors of British spy, Major John Andre. Actual spelling of Van Wert's named was Van Wart". The spelling was changed due to an illegible entry in Congressional records.

Established 1820 / Organized 1837.  County Seat Van Wert Located  in NW Ohio.  Area: 409 square miles

US GenWeb for Van Wert county.                                

Vinton was named for Samuel Finley Vinton, an Ohio Statesman and U.S. Congressman, known as the "Father of the Department of Interior".

Established 1850 / Organized 1850.  County Seat McArthurLocated in SE Ohio.  Area: 411 square miles

US GenWeb for Vinton county.               

Warren was named for Gen. Joseph Warren, who was killed at the Battle of Breed's (Bunker) Hill, on June 17, 1775.

Established 1803 / Organized 1803.  County Seat Lebanon. Located in SW Ohio. Area: 408 sq miles.

US GenWeb for Warren  county.                      

Washington, Ohio's first county, was named in honor of George Washington, who was president of the Constitutional Convention at the time the county was formed.

Established 1788 / Organized 1788.  County Seat Marietta.   Located in SE Ohio.  Area: 641 square miles

US GenWeb for Washington county.           

Wayne was named for Major General Anthony Wayne, Revolutionary War hero later General-in-Chief U.S. Army 1791-1796. Defeated the Indians at the "Battle of Fallen Timbers", August 20, 1794.

Established 1808 / Organized 1812.  County Seat Wooster.   Located in NEOhio.  Area: 561 square miles

US GenWeb for Wayne  county.                             

Williams  honors David Williams, one of three captors of Major John Andre on September 23, 1780

Established 1820 / Organized 1824.  County Seat BryanLocated in NW Ohio.  Area: 421 square miles

US GenWeb for Williams county.                        

Wood was named after Major Eleazer D. Wood, U.S. Army-Engineers, who built Fort Meigs in 1813 while serving on the staff of General William Henry Harrison.

Established 1820 / Organized 1820.  County Seat Bowling Green.  Located in NW Ohio.  Area: 421 sq miles

US GenWeb for Wood county.                        

Wyandot was named for the Wyandot Indians, the last Indian tribe in Ohio to cede their reservations March 17, 1842. They moved to lands west of the Mississippi River in July, 1843. 

Established 1845 / Organized 1845.  County Seat Upper SanduskyLocated in NW Ohio.  Area: 406 square miles

US GenWeb for Wyandot county.                             

 


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