Name of County
|
Date Formed
|
Boundary Changes
|
Parent County
|
Counties Created by Boundary Changes
|
Anderson
|
1801 Nov 06
|
Details
|
Knox
|
divided to Campbell 1806, Scott 1849, Union 1797
|
Bedford
|
1807 Dec 03
|
Details
|
Rutherford
|
Coffee 1836, Franklin 1807, Lincoln 1809, Marshall 1836, Moore 1817
|
Benton
|
1835 Dec 19
|
Details
|
Henry, Humphreys
|
none
|
Bledsoe
|
1807 Nov 30
|
Details
|
Roane
|
Cumberland 1855, Van Buren 1840
|
Blount
|
1795 Jul 11
|
Details
|
Knox
|
Christiana 1870, Roane 1801
|
Bradley
|
1836 Feb 10
|
Details
|
Indian lands
|
Polk 1839
|
Campbell
|
1806 Sep 11
|
Details
|
Anderson, Claiborne
|
Union 1797
|
Cannon
|
1836 Jan 31
|
Details
|
Coffee, Warren, Wilson
|
DeKalb 1837
|
Carroll
|
1821 Nov 07
|
Details
|
Western District
|
none
|
Carter
|
1796 Apr 09
|
Details
|
Washington
|
Johnson 1836, Unicoi 1875
|
Cheatham
|
1856 Feb 28
|
Details
|
Davidson, Dickson, Montgomery
|
none
|
Chester
|
1875 Mar 04
|
Details
|
Hardeman, Henderson, Madison, McNairy
|
none
|
Christiana
|
1870 Jun 02
|
Details
|
Blount, Monroe, McMinn, Roane
|
renamed Loudon 1870
|
Claiborne
|
1801 Oct 29
|
Details
|
Grainger, Hawkins
|
Hancock 1844, Union 1797
|
Clay
|
1870 Jun 24
|
Details
|
Jackson, Overton
|
none
|
Cocke
|
1797 Oct 09
|
Details
|
Anderson, Campbell, Claiborne, Grainger, Knox
|
none
|
Crockett
|
1845 Dec 20
|
Details
|
Dyer, Madison, Gibson, Haywood
|
none
|
Cumberland
|
1855 Nov 16
|
Details
|
Bledsoe, Morgan, Roane
|
none
|
Davidson
|
1783 Apr 18
|
Details
|
Washington
|
Cheatham 1856, Rutherford 1803, Sumner 1786, Williamson 1799
|
Decatur
|
1845 18 No
|
Details
|
Perry
|
none
|
DeKalb
|
1837 Dec 11
|
Details
|
Cannon, Warren, White
|
Putnam 1842
|
Dickson
|
1803 Oct 25
|
Details
|
Montgomery, Robertson
|
Cheatham 1856, Hickman 1807, Houston 1871
|
Dyer
|
1823 Oct 16
|
Details
|
Western District
|
Crockett 1845, Lauderdale 1835
|
Fayette
|
1824 Sep 29
|
Details
|
Shelby, Hardeman
|
none
|
Fentress
|
1823 Nov 28
|
Details
|
Morgan, Overton
|
Pickett 1874, Scott 1849
|
Franklin
|
1807 Dec 03
|
Details
|
Bedford, Warren
|
Coffee 1836, Moore 1817
|
Gibson
|
1823 Oct 21
|
Details
|
Western District
|
Crockett 1845
|
Giles
|
1809 Nov 14
|
Details
|
Maury
|
none
|
Grainger
|
1796 Apr 22
|
Details
|
Hawkins, Knox
|
Claiborne 1801, Hamblen 1870, Union 1797
|
Greene
|
1783 Apr 18
|
Details
|
Washington
|
Jefferson 1792, Knox 1792
|
Grundy
|
1844 Jan 29
|
Details
|
Coffee, Warren
|
none
|
Hamblen
|
1870 Jun 08
|
Details
|
Grainger, Hawkins
|
none
|
Hamilton
|
1819 Oct 25
|
Details
|
Rhea
|
Meigs 1836, Sequatchie 1857
|
Hancock
|
1844 Jan 07
|
Details
|
Claibrone, Hawkins
|
none
|
Hardeman
|
1823 Oct 16
|
Details
|
Western District
|
Chester 1875, Fayette 1824
|
Hardin
|
1819 Nov 13
|
Details
|
Western District
|
McNairy 1823, Shelby 1819
|
Hawkins
|
1786 Nov 18
|
Details
|
Sullivan
|
Claiborne 1801, Grainger 1795, Knox 1792, Hamblen 1870, Hancock 1844, Jefferson 1792
|
Haywood
|
1823 Nov 03
|
Details
|
Western District
|
Crockett 1845
|
Henderson
|
1821 Nov 07
|
Details
|
Western District
|
Chester 1875
|
Henry
|
1821 Nov 07
|
Details
|
Western District
|
Benton 1835
|
Hickman
|
1807 Dec 03
|
Details
|
Dickson
|
Lawrence 1817, Lewis 1843, Perry 1821, Wayne 1817
|
Houston
|
1871 Jan 23
|
Details
|
Dickson, Stewart
|
none
|
Humphreys
|
1809 Oct 19
|
Details
|
Steward, Smith
|
Benton 1835
|
Jackson
|
1801 Nov 06
|
Details
|
Smith
|
Clay 1870, Overton 1806, Putnam 1842, White 1806
|
Jefferson
|
1792 Jun 11
|
Details
|
Greene, Hawkins
|
Cocke 1797, Sevier 1794
|
Johnson
|
1836 Jan 02
|
Details
|
Carter
|
none
|
Knox
|
1792 Jun 11
|
Details
|
Greene, Hawkins
|
Anderson 1801, Bledsoe 1807, Blount 1795, Grainger 1796, Roane 1801, Union 1797
|
Lake
|
1870 Jun 24
|
Details
|
Obion
|
none
|
Lauderdale
|
1835 Nov 24
|
Details
|
Dyer, Tipton
|
none
|
Lawrence
|
1817 Oct 21
|
Details
|
Hickman, Maury
|
Lewis 1843
|
Lewis
|
1843 Dec 21
|
Details
|
Hickman, Lawrence, Maury, Wayne
|
none
|
Lincoln
|
1809 Nov 14
|
Details
|
Bedford
|
Marshall 1836
|
Loudon
|
1870 Jun 02
|
Details
|
renamed from Christiana
|
none
|
Macon
|
1842 Jan 18
|
Details
|
Smith, Sumner
|
Trousdale 1870
|
Madison
|
1821 Nov 07
|
Details
|
Western District
|
Chester 1875, Crockett 1845
|
Marion
|
1817 Nov 20
|
Details
|
Indian lands
|
none
|
Marshall
|
1836 Feb 20
|
Details
|
Bedford, Giles, Lincoln, Maury
|
none
|
Maury
|
1807 Nov 16
|
Details
|
Williamson
|
Giles 1809, Lawrence 1817, Lewis 1843
|
McMinn
|
1819 Nov 13
|
Details
|
Indian lands
|
Christiana 1870, Meigs 1836, Polk 1839
|
McNairy
|
1823 Oct 08
|
Details
|
Hardin
|
Chester 1875
|
Meigs
|
1836 Jan 20
|
Details
|
Hamilton, McMinn, Rhea
|
none
|
Monroe
|
1819 Nov 13
|
Details
|
Roane
|
Christiana 1870
|
Montgomery
|
1796 Apr 09
|
Details
|
State of Tennessee
|
Cheatham 1856, Dixon 1803, Stewart 1803
|
Moore
|
1817 Dec 14
|
Details
|
Bedford, Franklin
|
none
|
Morgan
|
1817 Oct 15
|
Details
|
Roane
|
Cumberland 1855, Fentress 1823, Scott 1849
|
Obion
|
1823 Oct 24
|
Details
|
Western District
|
Lake 1870
|
Overton
|
1806 Sep 11
|
Details
|
Jackson
|
Clay 1870, Fentress 1823, Pickett 1879, Putnam 1842, White 1806
|
Perry
|
1821 Nov 14
|
Details
|
Hickman
|
Decatur 1845
|
Pickett
|
1879 Feb 27
|
Details
|
Fentress, Overton
|
none
|
Polk
|
1839 Nov 28
|
Details
|
Bradley, McMinn
|
none
|
Putnam
|
1842 Feb 02
|
Details
|
DeKalb, Jackson, Overton, White
|
none
|
Rhea
|
1807 Nov 30
|
Details
|
Roane
|
Hamilton 1819, Meigs 1836
|
Roane
|
1801 Nov 06
|
Details
|
Knox, Blount
|
Bledsoe 1807, Christiana 1870, Rhea 1807, Cumberland 1855, Monroe 1819, Morgan 1817
|
Robertson
|
1796 Apr 09
|
Details
|
State of Tennessee
|
Dixon 1803
|
Rutherford
|
1803 Oct 25
|
Details
|
Davidson
|
Bedford 1807
|
Scott
|
1849 Dec 17
|
Details
|
Fentress, Morgan, Anderson
|
none
|
Sequatchie
|
1857 Dec 09
|
Details
|
Hamilton
|
none
|
Sevier
|
1794 Sep 27
|
Details
|
Jefferson
|
none
|
Shelby
|
1819 Nov 24
|
Details
|
Hardin
|
Fayette 1824
|
Smith
|
1799 Oct 26
|
Details
|
Sumner
|
Humphreys 1809, Jackson 1801, Macon 1842, Trousdale 1870, White 1806
|
Stewart
|
1803 Nov 01
|
Details
|
Montgomery
|
Houston 1871, Humphreys 1809
|
Sullivan
|
1779 Oct 18
|
Details
|
Washington
|
Hawkins 1786
|
Sumner
|
1786 Nov 18
|
Details
|
Davidson
|
Macon 1842, Smith 1799, Wilson 1799
|
Tipton
|
1823 Oct 29
|
Details
|
Western District
|
Lauderdale 1835
|
Trousdale
|
1870 Jun 21
|
Details
|
Macon, Smith, Wilson
|
none
|
Unicoi
|
1875 Mar 23
|
Details
|
Washington
|
none
|
Union
|
1797 Oct 09
|
Details
|
Anderson, Campbell, Claiborne, Grainger, Knox
|
none
|
Van Buren
|
1840 Jan 03
|
BUREN Details
|
Bledsoe, Warren, White
|
none
|
Warren
|
1807 Nov 26
|
Details
|
White
|
Cannon 1836, Coffee 1836, DeKalb 1837, Franklin 1807, Grundy 1844, Van Buren 1840
|
Washington
|
1777 Nov 15
|
Details
|
colonial lands
|
Carter 1796, Davidson 1783, Greene 1783, Sullivan 1779, Unicoi 1875
|
Wayne (old)
|
1785 5 17
|
Details
|
colonial lands
|
abolished 1788
|
Wayne (new)
|
1817 Nov 24
|
Details
|
Hickman
|
Lewis 1843
|
Weakley
|
1823 Oct 21
|
Details
|
Western District
|
none
|
White
|
1806 Sep 11
|
Details
|
Overton, Jackson, Smith
|
DeKalb 1837, Putnam 1842, Van Buren 1840, Warren 1807
|
Williamson
|
1799 Oct 26
|
Details
|
Davidson
|
Maury 1807
|
Wilson
|
1799 Oct 26
|
Details
|
Sumner
|
Trousdale 1870
|