Adams Formed: 1799 Parent: Natchez District	Alcorn Formed: 1870 Parent: Tippah & Tishomingo	Amite Formed: 1809 Parent: Wilkinson	Attala Formed: 1833 Parent: Choctaw Cession 1830	Bainbridge Formed: 1819 Parent: Wayne & Lawrence	Benton Formed: 1870 Parent: Marshall & Tippah
Bolivar Formed: 1836 Parent: Choctaw Cession 1830	Calhoun Formed: 1852 Parent: Chickasaw, Lafayette & Yalobusa	Carroll Formed: 1833 Parent: Choctaw Cession 1830	Chickasaw Formed: 1836 Parent: Chickasaw Cession 1832	Choctaw Formed: 1833 Parent: Choctaw Cession 1830	Claiborne Formed: 1802 Parent: Jefferson
Clarke Formed: 1833 Parent: Choctaw Cession 1830	Clay Formed: 1876 Parent: formerly Colfax County	Coahoma Formed: 1836 Parent: Chickasaw Cession 1832	Colfax Formed: 1871 Parent: Chickasaw, Lowndes, Monroe & Oktibbeha	Copiah Formed: 1823 Parent: Hinds	Covington Formed: 1819 Parent: Lawrence & Wayne
DeSoto Formed: 1836 Parent: Indian lands	Forrest Formed: 1906 Parent: Perry	Franklin Formed: 1809 Parent: Adams	George Formed: 1910 Parent: Greene & Jackson	Greene Formed: 1811 Parent: Amite, Franklin & Wayne	Grenada Formed: 1870 Parent: Carroll, Yalobusha, Montgomery, Tallahatchie, Webster & Choctaw
Hancock Formed: 1812 Parent: Mobile District	Harrison Formed: 1841 Parent: Hancock & Jackson	Hinds Formed: 1821 Parent: Choctaw Cession 1820	Holmes Formed: 1833 Parent: Yazoo	Humpreys Formed: 1918 Parent: Holmes, Washington, Yazoo & Sunflower	Issaquena Formed: 1844 Parent: Washington
Itawamba Formed: 1836 Parent: Chickasaw Cession 1832	Jackson Formed: 1812 Parent: Mobile District	Jasper Formed: 1833 Parent: Indian lands	Jefferson Formed: 1802 Parent: formerly Pickering County	Jefferson Davis Formed: 1906 Parent: Covington & Lawrence	Jones Formed: 1826 Parent: Covington & Wayne
Kemper Formed: 1833 Parent: Choctaw Cession 1830	Lafayette Formed: 1836 Parent: Chickasaw Cession 1832	Lamar Formed: 1904 Parent: Marion & Pearl River	Lauderdale Formed: 1833 Parent: Choctaw Cession 1830	Lawrence Formed: 1814 Parent: Marion	Leake Formed: 1833 Parent: Choctaw Cession 1830
Lee Formed: 1866 Parent: Itawamba & Pontotoc	Leflore Formed: 1871 Parent: Carroll, Sunflower & Tallahatchie	Lincoln Formed: 1870 Parent: Franklin, Lawrence, Copiah, Pike & Amite	Lowndes Formed: 1830 Parent: Monroe	Madison Formed: 1828 Parent: Yazoo	Marion Formed: 1811 Parent: Amite, Wayne & Franklin
Marshall Formed: 1836 Parent: Chickasaw Cession 1832	Monroe Formed: 1821 Parent: Chickasaw Cession 1821	Montgomery Formed: 1871 Parent: Carroll & Choctaw	Neshoba Formed: 1833 Parent: Choctaw Cession 1830	Newton Formed: 1836 Parent: Neshoba	Noxubee Formed: 1833 Parent: Choctaw Cession 1830
Oktibbeha Formed: 1833 Parent: Choctaw Cession 1830	Panola Formed: 1836 Parent: Choctaw Cession 1830	Pearl River Formed: 1890 Parent: Hancock & Marion	Perry Formed: 1820 Parent: Greene	Pickering Formed: 1799 Parent: Natchez District	Pike Formed: 1815 Parent: Marion
Pontotoc Formed: 1836 Parent: Chickasaw Cession 1832	Prentiss Formed: 1870 Parent: Tishomingo	Quitman Formed: 1877 Parent: Panola & Coahoma	Rankin Formed: 1828 Parent: Hinds	Scott Formed: 1833 Parent: Choctaw Cession 1830	Sharkley Formed: 1876 Parent: Warren, Washington & Issaquena
Simpson Formed: 1824 Parent: Choctaw Cession 1820	Smith Formed: 1833 Parent: Choctaw Cession 1830	Stone Formed: 1916 Parent: Harrison	Sumner Formed: 1874 Parent: Chickasaw, Choctaw, Montgomery, Oktibbeha	Sunflower Formed: 1844 Parent: Bolivar	Tallahatchie Formed: 1833 Parent: Choctaw Cession 1830
Tate Formed: 1873 Parent: Marshall, Tunica & DeSoto	Tippah Formed: 1836 Parent: Chickasaw Cession 1832	Tishomingo Formed: 1836 Parent: Chickasaw Cession 1832	Tunica Formed: 1836 Parent: Chickasaw Cession 1832	Union Formed: 1870 Parent: Pontotoc & Tippah	Wathall Formed: 1910 Parent: Marion & Pike
Warren Formed: 1809 Parent: Natchez District	Washington Formed: 1827 Parent: Warren & Yazoo	Wayne Formed: 1809 Parent: Mississippi Territory's "Old Washington County"	Webster Formed: 1882 Parent: formerly Sumner County	Wilkinson Formed: 1802 Parent: Adams	Winston Formed: 1833 Parent: Choctaw Cession 1830

Yalobush Formed: 1833 Parent: Choctaw Cession 1830	Yazoo Formed: 1823 Parent: Hinds