Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-144683 on Form S-3ASR and Nos. 333-43787, 333-89008, 333-95901, 333-105938, 333-114398, 333-118322, 333-120395, 333-126982, 333-130270, 333-138716, 333-147995, and 333-155304 on Form S-8 of our reports dated February 27, 2009 relating to the financial statements of Iron Mountain Incorporated (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the adoption of Financial Accounting Standards Board (“FASB”) Interpretation 48, Accounting for Uncertainty in Income Taxes—an interpretation of FASB Statement No. 109) and the effectiveness of Iron Mountain Incorporated’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Iron Mountain Incorporated for the year ended December 31, 2008.

/s/ DELOITTE & TOUCHE LLP

Boston, Massachusetts

February 27, 2009