| Clark County | Formed in 1818, was abolished in 1819 and became part of Arkansas Territory. |
| Decatur County | Formed in 1841 as Ozark County, renamed in 1843 to Decatur County, renamed back to Ozark County in 1845. |
| Dodge County | Formed in 1849. Abolished in 1853. |
| Hempstead County | Formed in 1818 from New Madrid County. Abolished in 1819 and became part of the Arkansas Territory. |
| Lillard County | Formed in 1821 from Cooper CountyAbolished in 1825, area incorporated into Jackson County and LaFayette County. |
| Lawrence County | Formed in 1815 from New Madrid County. Abolished in 1819 and became part of the Arkansas Territory. |
| Kinderhook County | Formed in1841 from Benton County, Pulaski County, and Morgan County, renamed in 1843 to Camden County. |
| Niangua County | Formed in 1841 from Polk County, renamed in 1844 to Dallas County. |
| Rives County | Formed in 1834 from LaFayette County, renamed to Henry County and St. Clair County in 1841. |
| Seneca County | Formed in 1847 from Newton County, renamed to McDonald County in 1849. |
| Van Buren County | Formed as Van Buren County, renamed to Cass County in 1849. |
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This page last modified Monday, 28-Jun-2004 07:35:30 MDT