EX-23.1 7 v84223orexv23w1.txt EXHIBIT 23.1 EXHIBIT 23.1 [LETTERHEAD OF DELOITTE & TOUCHE LLP] INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement of Umpqua Holdings Corporation on Form S-4 of our report dated February 28, 2002, appearing in the Annual Report on Form 10-K of Umpqua Holdings Corporation for the year ended December 31, 2001 and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement. /s/ Deloitte & Touche LLP Portland, Oregon September 5, 2002