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


Date of Report (Date of Earliest Event Reported):        Commission File Number
         March 4, 2004                                            0-7674
                                                                  ------


                        FIRST FINANCIAL BANKSHARES, INC.
                        --------------------------------
             (Exact Name of Registrant as Specified in its Charter)


         Texas                                          75-0944023
- -----------------------                     -----------------------------------
(State of Incorporation)                               (IRS Employer
                                                       Identification No.)


                      400 Pine Street, Abilene, Texas 79601
                   (Address of Executive Offices and Zip Code)

                                 (325) 627-7155
                         (Registrant's Telephone Number)





ITEM 7.   Financial Statements, Pro Forma Financial Information and Exhibits

     (c)  Exhibits.  The following exhibit is filed with this document:

          99.1  Press Release issued by First  Financial  Bankshares,  Inc.,
                dated March 4, 2004

ITEM 9.   Regulation FD Disclosure

     On March 4, 2004, First Financial Bankshares,  Inc. (the "Company") entered
into a Stock Purchase  Agreement (the "Purchase  Agreement")  with the principal
shareholders of Liberty National Bank, Granbury, Texas. Pursuant to the Purchase
Agreement  and provided all of the shares of Liberty  National Bank are tendered
for purchase by the Company,  the Company will pay  approximately  $12.8 million
for all of the  outstanding  shares of Liberty  National  Bank.  Acquisition  of
Liberty  National Bank by the Company is subject to the approval of the Board of
Governors of the Federal  Reserve System and other federal and state  regulatory
authorities,  as well as, subject to satisfaction of the conditions contained in
the  Purchase  Agreement.  If the  transaction  is approved by federal and state
regulatory  authorities,  it is  anticipated  that the  acquisition  of  Liberty
National  Bank by the  Company  will be  closed in mid  2004.  Conditioned  upon
completion of the above described transaction, Liberty National Bank will become
a direct  subsidiary  of First  Financial  Bankshares  of  Delaware,  Inc.,  the
Company's wholly owned Delaware bank holding company.

     Liberty  National  Bank  is a  Texas  corporation  and a  national  banking
association.  Liberty  National  Bank is located in the City of  Granbury,  Hood
County,  Texas,  approximately 40 miles southwest of Fort Worth, Texas.  Liberty
National  Bank was  chartered in 1997 and as of December  31,  2003,  had assets
totaling $60 million and shareholders' equity of $5.9 million.


                                   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.


                                           FIRST FINANCIAL BANKSHARES, INC.
                                           (Registrant)



DATE:  March 4, 2004                       By:     /S/ J. Bruce Hildebrand
                                                   -----------------------
                                                   J. BRUCE HILDEBRAND
                                                   Executive Vice President and
                                                   Chief Financial Officer





                                                                   Exhibit 99.1
                                                                   ------------

For immediate release              For More Information:
                                   J. Bruce Hildebrand, Executive Vice President
                                   325.627.7167


First Financial Bankshares Announces Acquisition of Granbury Bank


ABILENE,  Texas,  March 4, 2004 - First Financial  Bankshares,  Inc. and Liberty
National Bank,  Granbury,  Texas,  have entered into a definitive  agreement for
First Financial  Bankshares to acquire Liberty  National Bank for a contemplated
cash purchase price of  approximately  $12.8 million.  The agreement was jointly
announced  today  by  F. Scott Dueser,  President  and  CEO of  First  Financial
Bankshares,  and Garry Z. Luker,  Chairman of Liberty  National Bank.  Following
regulatory approval, the transaction is expected to be finalized in mid 2004.

Liberty  National  Bank was  chartered in 1997 and has, as of December 31, 2003,
$60 million  in total assets and  approximately  $5.9  million in  shareholders'
equity.  Granbury, a growing and vibrant community located on Lake Granbury,  is
40 miles west of Fort Worth in Hood County.

"The acquisition of Liberty National Bank fits well into our long-term  strategy
of strengthening our presence in growing  communities within a 50-mile radius of
the  Dallas/Fort  Worth  metroplex,"  Dueser said.  "We have wanted to be in the
Granbury market for a number of years and are pleased to have the opportunity to
be associated with Liberty  National Bank. They are a first-class  organization,
and we look forward to working with their board, staff and customers."

Luker will continue to be the Chairman of the Board,  and all other officers and
employees will remain in their present positions.

"We have had a longtime  relationship  with First Financial  Bankshares and have
the highest  respect for them due to their  commitment to community  banking and
quality customer  service," Luker said. "We believe this association is good for
the  citizens of Granbury  and Hood County due to the  financial  strength  that
First  Financial  brings to our community.  We look forward to being  associated
with them and being  able to  provide  expanded  products  and  services  to our
customers."

Liberty  National Bank will become the 11th  community  bank of First  Financial
Bankshares.  Headquartered in Abilene,  Texas,  First Financial  Bankshares is a
financial  holding  company with  consolidated  assets  totaling  $2.1  billion,
operating  separately  chartered  banks with 28  locations  in Texas and a trust
company.  These  subsidiaries  are  First  National  Bank of  Abilene,  Abilene;
Eastland National Bank,  Eastland;  First Financial Bank, National  Association,
Cleburne;  Hereford State Bank, Hereford; City National Bank, Mineral Wells; San
Angelo National Bank, San Angelo;  First Financial Bank,  National  Association,
Southlake;  Stephenville  Bank & Trust Co.,  Stephenville;  First National Bank,
Sweetwater;  Weatherford National Bank,  Weatherford and First Financial Trust &
Asset Management Company, National Association.





The Company is listed on The Nasdaq Stock Market under the trading  symbol FFIN.
For more information about First Financial Bankshares, please visit our web site
at http://www.ffin.com.














                                      *****

Certain   statements   contained  herein  may  be  considered   "forward-looking
statements" as defined in the Private Securities  Litigation Reform Act of 1995.
These statements are based upon the belief of the Company's management,  as well
as  assumptions  made beyond  information  currently  available to the Company's
management,  and may be, but not  necessarily  are,  identified by such words as
"expect", "plan",  "anticipate",  "target",  "forecast" and "goal". Because such
"forward-looking  statements"  are  subject to risks and  uncertainties,  actual
results  may  differ   materially  from  those  expressed  or  implied  by  such
forward-looking  statements.  Factors that could cause actual  results to differ
materially  from the  Company's  expectations  include  competition  from  other
financial  institutions  and  financial  holding  companies;  the effects of and
changes in trade,  monetary and fiscal polices and laws, including interest rate
policies  of the  Federal  Reserve  Board;  changes  in the  demand  for  loans;
fluctuations in value of collateral and loan reserves; inflation, interest rate,
market and monetary  fluctuations;  changes in consumer spending,  borrowing and
savings habits;  and  acquisitions and integration of acquired  businesses,  and
similar variables.  Other key risks are described in the Company's reports filed
with the  Securities  and  Exchange  Commission,  which  may be  obtained  under
"Investor  Relations-Documents/Filings"  on the Company's web site or by writing
or calling the Company at 325.627.7155.  Except as otherwise stated in this news
announcement,  the Company does not undertake any obligation to update  publicly
or revise any  forward-looking  statements  because of new  information,  future
events or otherwise.