SECURITIES AND EXCHANGE COMMISSION


                             Washington, D.C. 20549


                                    FORM 8-K


                                 CURRENT REPORT


     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


                                February 12, 2004
                Date of Report (Date of earliest event reported)


                              TRUSTMARK CORPORATION
             (Exact name of registrant as specified in its charter)


  Mississippi                       0-3683                       64-0471500
(State or other            (Commission File Number)             (IRS Employer
 jurisdiction of                                             Identification No.)
 incorporation)



                             248 East Capitol Street
                                Jackson, MS 39201
          (Address, including zip code, of principal executive office)


                                 (601) 208-5111
              (Registrant's telephone number, including area code)






Item 5.   Other Events and Regulation FD Disclosure

Trustmark Corporation's  wholly-owned  subsidiary,  Trustmark National Bank, has
filed applications to become a Fed-member,  state-chartered banking institution.
Upon regulatory approvals by the Mississippi  Department of Banking and Consumer
Finance and the Federal Reserve, which are expected to be received by the end of
the first quarter,  the bank charter will be converted to a Mississippi charter.
The  Federal  Reserve and the  Mississippi  Department  of Banking and  Consumer
Finance will dually regulate Trustmark.  Once the conversion has been completed,
the bank will be known as Trustmark Bank.










                                   SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                              TRUSTMARK CORPORATION


BY:        /s/ Zach L. Wasson
           Zach L. Wasson
           Treasurer (Principal
           Financial Officer)

DATE:      February 12, 2004