<SEC-DOCUMENT>0001104659-19-008747-index.html : 20190214
<SEC-HEADER>0001104659-19-008747.hdr.sgml : 20190214
<ACCEPTANCE-DATETIME>20190214162542
ACCESSION NUMBER:		0001104659-19-008747
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20190214
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190214
DATE AS OF CHANGE:		20190214

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:		19606874

	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>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a19-4651_18k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a19-4651_18k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-8.1
<SEQUENCE>2
<FILENAME>a19-4651_1ex8d1.htm
<DESCRIPTION>EX-8.1
<TEXT>
Document 2 - file: a19-4651_1ex8d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>a19-4651_1ex99d1.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 3 - file: a19-4651_1ex99d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g46511kii001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g46511kii001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g46511kii002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g46511kii002.jpg

</DOCUMENT>
</SEC-DOCUMENT>