UNITED STATES
                       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

                                October 19, 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, Mississippi                          39201
  (Address of principal executive offices)                           (Zip Code)

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

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR
    230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
    240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
    Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
    Act (17 CFR 240.13e-4(c))



Item 2.02  Results of Operations and Financial Condition 

On October 19, 2004, Trustmark Corporation issued a press release announcing its
financial results for the period ended September 30, 2004. This press release is
attached as Exhibit 99.1 to this report and incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits

(c) Exhibits

The following exhibit is filed as part of this Form 8-K:

Exhibit No.       Description
   99.1           Press release announcing  financial results for the period
                    ended September 30, 2004



                                   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/ Richard G. Hickson               BY:   /s/ Zach L. Wasson
      ----------------------                     ------------------
      Richard G. Hickson                         Zach L. Wasson
      Chairman of the Board, President           Treasurer (Principal
      & Chief Executive Officer                  Financial Officer)

DATE: October 19, 2004                     DATE: October 19, 2004



                                  EXHIBIT INDEX




99.1  Press release announcing financial results for the period ended 
      September 30, 2004