WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
                       Pursuant to Section 13 or 15(d) of
                       The Securities Exchange Act of 1934

          Date of Report (Date of earliest event reported): May 9, 2008

                           IRON MOUNTAIN INCORPORATED
             (Exact name of registrant as specified in its charter)

                 (State or other jurisdiction of incorporation)

              1-13045                              23-2588479
      (Commission File Number)         (IRS Employer Identification No.)

                               745 Atlantic Avenue
                           Boston, Massachusetts 02111
          (Address of principal executive offices, including zip code)

                                 (617) 535-4766
              (Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

|_| Written communications pursuant to Rule 425 under the Securities Act (17 CFR

|_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR

|_| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act (17 CFR 240.14d-2(b))

|_| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (17 CFR 240.13e- 4(c))

Item 5.02. Departure of Directors or Certain Officers; Election of Directors;
Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

      On May 5, 2008, Mr. Harry Ebbighausen replaced Mr. John J. Connors in his
position as President, Americas of Iron Mountain Incorporated (the "Company").

      Mr. Ebbighausen, since joining the Company in 1996, has been a pivotal
leader within the organization, holding several senior positions instrumental to
the Company's evolution, including President of Iron Mountain Off-Site Data
Protection, President of North American Service Delivery, President of North
American Operations and most recently, President of Global Standards. In his new
role, Ebbighausen will report directly to Bob Brennan, President and Chief
Operating Officer, and will be responsible for all of the Company's physical
records management, data protection and recovery, and information destruction
businesses in North and South America while continuing to drive the global
standards effort for the enterprise.

      Mr. Connors is leaving the Company to pursue other opportunities, but will
remain with the Company in a transitional capacity through May 30, 2008.


Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                                  IRON MOUNTAIN INCORPORATED

                                                  By:    /s/ Ernest W. Cloutier
                                                  Name:  Ernest W. Cloutier
                                                  Title: SVP and General Counsel
Date: May 9, 2008