The First Bancshares, Inc. (FBMS) 10-Q 2011 Q1 Quarterly report

Exhibit 32.2

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 on Form 10-Q, filed pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, of The First Bancshares, Inc. (the "Company") for the period ended March 31, 2011, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, DeeDee Lowery, the Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Sec. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1) the Report fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended; and

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

/s/ DeeDee Lowery

Name: DeeDee Lowery

Title: Executive Vice President and

Chief Financial Officer

Date: 5-16-11

A signed original of this written statement required by Section 906, or other document authenticating, acknowledging or otherwise adopting the signature that appears in typed form within the electronic version of this written statement required by Section 906, has been provided to The First Bancshares, Inc., and will be retained by The First Bancshares, Inc., and furnished to the Securities and Exchange Commission or its staff upon request.