County	Founded	Parent County	County Seat
Anderson	1801	Knox, Grainger	Clinton
Bedford	1807	Rutherford, Indian Lands	Shelbyville
Benton	1835	Humphreys	Camden
Bledsoe	1807	Roane, Indian Lands	Pikeville
Blount	1795	Knox	Maryville
Bradley	1836	Indian Lands	Cleveland
Campbell	1806	Anderson, Claiborne	Jacksboro
Cannon	1836	Rutherford, Smith, Warren	Woodbury
Carroll	1821 1822	Indian Lands	Huntingdon
Carter	1796	Washington	Elizabethton
Cheatham	1856	Davidson, Dickson, Montgomery, Robertson	Ashland City
Chester	1879	Hardeman, Henderson, McNairy, Madison	Henderson
Claiborne	1801	Grainger, Hawkins	Tazewell
Clay	1870	Jackson, Overton	Celina
Cocke	1797	Jefferson	Newport
Coffee	1836	Bedford, Franklin, Warren	Manchester
Crockett	1871	Dyer, Gibson, Haywood, Madison	Alamo
Cumberland	1855 1856	Bledsoe, Fentress, Morgan, Putnam, Rhea, White	Crossville
Davidson	1783	Cumberland District of North Carolina, Washington County	Nashville
Decatur	1845 1846	Perry	Decaturville
DeKalb	1837 1838	Cannon, Jackson, Franklin, White	Smithville
Dickson	1803	Montgomery, Robertson	Charlotte
Dyer	1823	Indian Lands	Dyersburg
Fayette	1824	Indian Lands	Somerville
Fentress	1823	Morgan, Overton, White	Jamestown
Franklin	1807	Rutherford, Indian Lands	Winchester
Gibson	1823	Indian Lands	Trenton
Giles	1809 1810	Indian Lands	Pulaski
Giles	At Rootsweb
Grainger	1796	Hawkins, Knox	Rutledge
Greene	1783	Washington	Greeneville
Grundy	1844	Coffee, Franklin, Warren	Altamont
Hamblen	1870	Jefferson, Grainger, Greene	Morristown
Hamilton	1819	Rhea, Indian Lands	Dallas (1820-40) Chattanooga (1840-present)
Hancock	1844	Hawkins, Claiborne	Sneedville
Hardeman	1823	Hardin, Indian Lands	Bolivar (known as Big Hatchie before 1824)
Hardin	1819 1820	Indian Lands	Hardinsville (1820-30) Savannah (1830-date)
Hawkins	1786	Sullivan	Rogersville
Haywood	1823	Indian Lands	Brownsville
Henderson	1821	Indian Lands	Lexington
Henry	1821	Indian Lands	Paris
Hickman	1807	Dickson	Vernon (1810-22) Centerville (1822-date)
Houston	1871	Stewart, Humphreys, Dickson, Montgomery	Arlington (1872-78) Erin (1878-date)
Humphreys	1809	Stewart	Reynoldsburg (1812-36) Waverly (1836-date)
Jackson	1801	Smith, Indian Lands	Fort Blount (1802-06) Williamsburg (1806-1819) Gainesboro (1819-date)
James	1871 (abolished in 1920; records transferred to Hamilton County)	Bradley, Hamilton	Ooltewah
Jefferson	1792	Hawkins, Greene	Dandridge
Johnson	1836	Carter	Mountain City (known as Taylorsville pre-Civil War)
Knox	1792	Greene, Hawkins	Knoxville
Lake	1870	Obion	Tiptonville
Lauderdale	1835	Haywood, Dyer, Tipton	Ripley
Lawrence	1817	Hickman, Indian Lands	Lawrenceburg
Lewis	1843 1844	Hickman, Lawrence, Maury, Wayne	Gordon (1844-48) Newberry (1848-97) Hohenwald (1897-date)
Lincoln	1809	Bedford	Fayetteville
Loudon	1870	Blount, Monroe, Roane, McMinn	Loudon
Macon	1842	Smith, Sumner	Lafayette
Madison	1821	Indian Lands	Jackson
Marion	1817	Indian Lands	Cheekville (1818-20) Jasper (1820-date)
Marshall	1836	Bedford, Giles, Lincol,n Maury	Lewisburg
Maury	1807	Williamson, Indian Lands	Columbia
McMinn	1819	Indian Lands	Calhoun (1820-23) Athens (1823-date)
McNairy	1823	Hardin	Purdy (1824-90) Selmer (1890-date)
Meigs	1836	Rhea	Decatur
Monroe	1819	Indian Lands	Morganton (1820-22) Madisonville (1822-date)
Montgomery	1796	Tennessee	Clarksville
Moore	1871	Bedford, Franklin, Lincoln	Lynchburg
Morgan	1817	Roane, Anderson	Montgomery (1818-70) Wartburg (1870-date)
Obion	1823	Indian Lands	Troy (1824-1890) Union City (1890-date)
Overton	1806	Jackson, Indian Lands	Monroe (1810-35) Livingston (1835-date)
Perry	1819	Humphreys, Hickman	Perryville (1821-46) Bethel (Harrisburg) (1846-48) Linden (1848-date)
Pickett	1879	Fentress, Overton	Smyrna (1881-82) Byrdstown (1882-date)
Polk	1839	Bradley, McMinn	Benton
Putnam	1842 (abolished and re-established 1854)	Fentress, Jackson, Overton, Smith, White	Cookeville
Rhea	1807	Roane	Dayton
Roane	1801	Knox, Indian Lands	Kingston
Robertson	1796	Tennessee, Sumner	Springfield
Rutherford	1803	Davidson, Williamson, Wilson	Murfreesboro
Scott	1849	Anderson, Campbell, Fentress, Morgan	Huntsville
Sequatchie	1857	Hamilton, Marion, Warren	Dunlap
Sevier	1794	Jefferson	Sevierville
Shelby	1819	Indian Lands	Memphis
Smith	1799	Sumner, Indian Lands	Carthage
Stewart	1803	Montgomery	Dover
Sullivan	1779	Washington	Blountville
Sumner	1786	Davidson	Gallatin
Tipton	1823	Indian Lands	Covington
Trousdale	1870	Macon, Smith, Sumner, Wilson	Hartsville
Unicoi	1875	Carter, Washington	Erwin
Union	1850	Anderson, Campbell, Claiborne, Grainger, Knox	Maynardville
Van Buren	1840	White, Warren	Spencer
Warren	1807 1808	White, Jackson, Smith, Indian Lands	McMinnville
Washington	1777	Washington, District, North Carolina	Jonesborough
Wayne	1817	Hickman	Waynesboro
Weakley	1823	Indian Lands	Dresden
White	1806	Jackson, Smith	Sparta
Williamson	1799	Davidson	Franklin
Wilson	1799	Sumner	Lebanon