Exhibit 23.3

 

Consent of Independent Registered Public Accounting Firm

 

The Board of Directors

International Bancshares Corporation:

 

We consent to the incorporation by reference in this registration statement on Form S-3 of International Bancshares Corporation of our report dated February 28, 2007, with respect to the consolidated statement of condition of International Bancshares Corporation and subsidiaries as of December 31, 2006, and the related consolidated statements of income, comprehensive income, shareholders’ equity, and cash flows for each of the years in the two-year period ended December 31, 2006, which report appears in the December 31, 2007 annual report on Form 10-K of International Bancshares Corporation.  Our report on the consolidated financial statements refers to a change in the method of accounting for stock-based compensation in 2006.

 

/s/ KPMG LLP

San Antonio, Texas

January 21, 2009