    <SEC-DOCUMENT>0001020569-19-000137-index.html : 20190425
    <SEC-HEADER>0001020569-19-000137.hdr.sgml : 20190425
    <ACCEPTANCE-DATETIME>20190425073109
    ACCESSION NUMBER:		0001020569-19-000137
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		52
    CONFORMED PERIOD OF REPORT:	20190425
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20190425
    DATE AS OF CHANGE:		20190425

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			IRON MOUNTAIN INC
    		CENTRAL INDEX KEY:			0001020569
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				232588479
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13045
    		FILM NUMBER:		19765371

    	BUSINESS ADDRESS:
    		STREET 1:		ONE FEDERAL STREET
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02110
    		BUSINESS PHONE:		617-535-4781

    	MAIL ADDRESS:
    		STREET 1:		ONE FEDERAL STREET
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02110

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	IRON MOUNTAIN INC/PA
    		DATE OF NAME CHANGE:	20000201

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	PIERCE LEAHY CORP
    		DATE OF NAME CHANGE:	19960807
    </SEC-HEADER>
    <DOCUMENT>
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    <SEQUENCE>1
    <FILENAME>irm8-kq12019earningsnotifi.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: irm8-kq12019earningsnotifi.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>q1earningsreleasefinal.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: q1earningsreleasefinal.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q12019earningscallslides.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
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    <DOCUMENT>
    <TYPE>EX-99.3
    <SEQUENCE>4
    <FILENAME>q12019irmsupplemental.htm
    <DESCRIPTION>EXHIBIT 99.3
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    <SEQUENCE>5
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    Document 42 - file: q12019irmsupplemental020.jpg

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