Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-113479) and in the related Prospectus, of our report, dated January 27, 2005, relating to the consolidated financial statements of Potomac Bancshares, Inc. included in the Annual Report on Form 10-K for the year ended December 31, 2004.

/s/ YOUNT, HYDE & BARBOUR, P.C.

Winchester, Virginia

March 30, 2005