Exhibit 23.1

CONSENT OF

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use of our reports dated March 16, 2017 with respect to the consolidated balance sheets of The First Bancshares, Inc., as of December 31, 2016 and 2015, and the related consolidated statements of income, comprehensive income, cash flows, and changes in shareholders’ equity for each of the years in the three-year period ended December 31, 2016, and the effectiveness of internal control over financial reporting as of December 31, 2016, incorporated herein by reference and to the reference to our firm under the heading “Experts” in the prospectus.

 

Columbus, Mississippi

September 15, 2017