UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                                  SCHEDULE 13G
                    Under the Securities Exchange Act of 1934
                              (Amendment No. 2006)

                              TRUSTMARK CORPORATION
                                (Name of Issuer)

                                  COMMON STOCK
                         (Title of Class of Securities)

                                    898402102
                                 (CUSIP Number)

                                December 31, 2006
             (Date of Event Which Requires Filing of this Statement)


     Check  the  appropriate  box  to  designate the rule pursuant to which this
     Schedule is filed:

                               [X] Rule 13d-1(b)
                               [ ] Rule 13d-1(c)
                               [ ] Rule 13d-1(d)

     *The  remainder  of  this  cover  page  shall be filled out for a reporting
     person's  initial  filing on this form with respect to the subject class of
     securities,  and  for any subsequent amendment containing information which
     would alter the disclosures provided in a prior cover page.

     The  information  required  in  the  remainder of this cover page shall not
     be  deemed  to  be  "filed" for the purpose of Section 18 of the Securities
     Exchange  Act  of  1934  ("Act") or otherwise subject to the liabilities of
     that section of the Act but shall be subject to all other provisions of the
     Act (however, see the Notes).




CUSIP No. 898402102

1.  NAME OF REPORTING PERSON
    I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    Trustmark National Bank, as trustee
    64-0180810

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

    (a) [ ]
    (b) [ ]

3.  SEC USE ONLY

4.  CITIZENSHIP OR PLACE OF ORGANIZATION

    Organized under the laws of the United States

NUMBER OF       5.   SOLE VOTING POWER          1,098,929
SHARES
BENEFICIALLY    6.   SHARED VOTING POWER          360,648
OWNED BY
EACH            7.   SOLE DISPOSITIVE POWER     1,098,929
REPORTING
PERSON          8.   SHARED DISPOSITIVE POWER     360,648
WITH:

9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    1,459,577

10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

    [ ]

11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    2.5%

12. TYPE OF REPORTING PERSON

    BK



CUSIP No. 898402102

Item 1(a) Name of Issuer:

          Trustmark Corporation

Item 1(b) Address of Issuer's Principal Executive Offices:

          248 East Capitol Street
          Jackson, Mississippi 39201

Item 2(a) Name of Person Filing:

          Trustmark National Bank, as trustee

Item 2(b) Address of Principal Business Office:

          248 East Capitol Street
          Jackson, Mississippi 39201

Item 2(c) Citizenship:

          Organized under the laws of the United States

Item 2(d) Title of Class of Securities:

          Common Stock

Item 2(e) CUSIP Number:

          898402102

Item 3    Type of Person:

          (b) Bank [x] Bank as defined in section 3(a)(6) of the Act (15 U.S.C.
              78c).

Item 4    Ownership:

          (a) Amount beneficially owned: 1,459,577
          (b) Percent of class: 2.5%
          (c) Number of shares as to which the person has:
                  (i)   Sole power to vote or to direct the vote
                        1,098,929

                  (ii)  Shared power to vote or to direct the vote
                        360,648

                  (iii) Sole power to dispose or to direct the disposition of
                        1,098,929

                  (iv)  Shared power to dispose or to direct the disposition of
                        360,648

Item 5    Ownership of Five Percent or Less of a Class:

          N/A



CUSIP No. 898402102

Item 6    Ownership of More than Five Percent on Behalf of Another Person:

          The shares  referred  to in this  Schedule  13G are held by  Trustmark
          National Bank as trustee of various trust accounts. Trustmark National
          Bank does not have the  right to  receive  the  dividends  from  these
          shares or to receive proceeds from the sale of these shares. Trustmark
          National Bank is not aware of any  individual  trust or beneficiary or
          related group of trusts or beneficiaries  who own more than 5% of this
          stock.

Item 7    Identification and Classification of the Subsidiary Which Acquired
          the Security Being Reported on by the Parent Holding Company:

          N/A

Item 8    Identification and Classification of Members of the Group:

          N/A

Item 9    Notice of Dissolution of Group:

          N/A

Item 10   Certification:

          By  signing  below I certify  that,  to the best of my  knowledge  and
          belief, the securities referred to above were acquired and are held in
          the ordinary course of business and were not acquired and are not held
          for the purpose of or with the effect of changing or  influencing  the
          control of the issuer of the  securities and were not acquired and are
          not held in  connection  with or as a participant  in any  transaction
          having that purpose or effect.

Signature:

After  reasonable  inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

Date:            February 12, 2007

Signature:       /s/ Louis E. Greer

Name and Title:  Louis E. Greer
                 Treasurer
                 And Principal Financial Officer