| State | Secession date | Admitted in the Confederacy |
| Virginia | State Convention In Richmond (17 April 1861) Voter Referendum (23 May 1861) | Provisional Confederate Congress (Session II) (7 May 1861)*
*[Contingent Upon Referendum Vote.] |
| Arkansas | State Convention In Little Rock (6 May 1861) | Provisional Confederate Congress (Session II) (18 May 1861) |
| North Carolina | State Convention In Raleigh (20 May 1861) | Provisional Confederate Congress (Session II) (16 May 1861)*
*[Contingent On Passage Of The Secession Ordinance.] |
| Tennessee | Legislative Convention In Nashville (6 May 1861) Voter Referendum (8 June 1861) | Provisional Confederate Congress (Session II) (16 May 1861)*
*[Contingent Upon Referendum Vote.] |
| Missouri | Pro-Southern Legislative Convention In Neosho (31 October 1861) | Provisional Confederate Congress (Session III) (19 August 1861) |
| Kentucky | Convention Of The People Of Kentucky In Russellville (20 November 1861) | Provisional Confederate Congress (Session V) (10 December 1862) |
