COMMERCIAL NATIONAL FINANCIAL CORPORATION

                                                                    EXHIBIT 32.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Commercial National Financial
Corporation (the "Company") on Form 10-Q for the quarterly period ended
September 30, 2004, as filed with the Securities and Exchange Commission on the
date hereof (the "Report"), I, Jeffrey S. Barker, Chief Executive Officer of the
Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of sections 13(a) or 15(d)
of the Securities and Exchange Act of 1934; and

      (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

By:

/s/ Jeffrey S. Barker
_____________________
Jeffrey S. Barker
President and Chief Executive Officer
November 5, 2004