Miss. Code § 9-9-39
All pending matters in any county court that may be abolished shall be transferred to the court of proper jurisdiction without the necessity for any motion or order of court for such transfer or for reformation of pleadings, and final judgments or decrees in causes transferred shall include costs incurred in the county court. After abolishment of a county court, executions and all process on final judgments or decrees theretofore entered therein shall be issued by the clerk of the circuit court of the county and made returnable to any court in the county where rendered then having jurisdiction of the subject-matter involved or of any of the parties, and the court to which such executions or process is returned shall have jurisdiction thereof and try all issues pertaining thereto.
After the abolishment of a county court, the circuit clerk of the county shall be the official custodian of all its records and may certify to copies thereof under his seal. When the result of an appeal to the supreme court shall be a reversal of the circuit court and in material particulars in effect an affirmance of the judgment of a county court which has been abolished, the supreme court shall enter judgment in the cause or remand it to the circuit court which shall have full jurisdiction thereof and shall enter final judgment in accordance with the opinion and fiat of the supreme court or proceed as the supreme court may otherwise direct.
Miss. Code § 9-9-39