Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0362
Expires: January 31, 2005
Estimated average burden hours per response... 1.0

1. Name and Address of Reporting Person *
Connors John J
 2. Issuer Name and Ticker or Trading Symbol
IRON MOUNTAIN INC [IRM] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, Americas
(Last)
(First)
(Middle)

IRON MOUNTAIN INFORMATION MGMT., INC., 745 ATLANTIC AVENUE		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2006
(Street)


BOSTON, MA 02111		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Reporting
(check applicable line)

_X_ Form Filed by One Reporting Person
___ Form Filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price
Common Stock, par value, $01.per share             415 (1) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (Right to Buy) $ 18.5866 (2) 12/29/2006   J 8,965     (3) 04/26/2015 Common Stock
26,895
$ 0 26,895
D
 
Employee Stock Option (Right to Buy) $ 18.5866 (4) 12/29/2006   J 13,452     (5) 04/26/2015 Common Stock
40,357
$ 0 40,357
D
 
Employee Stock Option (Right to Buy) $ 28.9666 (6) 12/29/2006   J 28,768     (7) 12/07/2015 Common Stock
86,305
$ 0 86,305
D
 

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Connors John J
IRON MOUNTAIN INFORMATION MGMT., INC.
745 ATLANTIC AVENUE
BOSTON, MA 02111		       President, Americas  

Signatures

Clare A. Dever, under Power of Attorney dated March 4, 2005 from John J. Connors 02/14/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The Common Stock of Iron Mountain Incorporated split, December 29, 2006 3-for-2 to record holders as of December 18, 2006, resulting in the reporting person's acquisition of 138 shares of Common Stock.
(2) Due to software limitations, the post stock split exercise price should be $18.5866667.
(3) This stock option was previously reported as covering 17,930 shares at an exercise price of $27.88 per share, but adjusted to reflect a 3-for-2 stock split effective December 29, 2006. There are 5,379 shares that are vested.
(4) Due to software limitations, the post stock split exercise price should be $18.5866667.
(5) This stock option was previously reported as covering 26,905 shares at an exercise price of $27.88 per share, but adjusted to reflect a 3-for-2 stock split effective December 29, 2006. There are 8,071 shares that are vested.
(6) Due to software limitations, the post stock split exercise price should be $28.9666667.
(7) This stock option was previously reported as covering 57,537 shares at an exercise price of $43.45 per share, but adjusted to reflect a 3-for-2 stock split effective December 29, 2006. There are 17,260 shares that are vested.

Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.