Mississippi Administrative Code
Title 15 - Mississippi Department of Health
Part 5 - Office of Health Informatics
Subpart 85 - Public Health Statistics
Chapter 3 - Registration of Live Births
Subchapter 21 - Court Order Changes which are not Corrections to Birth Facts
Rule 15-5-85-3.21.1 - Change of name by court order

A name change, which is not a correction to the birth facts shall, upon receipt of a certified court order and required fee, be added to the birth certificate as a marginal notation of the fact. The birth name shall not be eradicated and the name changed shall not be put in the birth name place. The face of the certificate shall be stamped to indicate the legal authority under which the name was changed and the date of the change.

Miss. Code Ann. § 41-57-1; Miss. Code Ann. § 41-57-7; Miss. Code Ann. § 93-17-1