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 12, 2005
                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 5.02 Departure of Directors or Principal  Officers;  Election of Directors,
Appointment of Principal Officers

(b) On October 11, 2005,  Carolyn C. Shanks resigned her position as a member of
the Board of Directors of Trustmark  Corporation and from the Board of Directors
of its subsidiary,  Trustmark  National Bank. The resignation is effective as of
October 11, 2005.




                                   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:  October 12, 2005