<SEC-DOCUMENT>0001020569-23-000216-index.html : 20231106
<SEC-HEADER>0001020569-23-000216.hdr.sgml : 20231106
<ACCEPTANCE-DATETIME>20231106170036
ACCESSION NUMBER:		0001020569-23-000216
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20231103
FILED AS OF DATE:		20231106
DATE AS OF CHANGE:		20231106

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MARSON DEBORAH
		CENTRAL INDEX KEY:			0001691591

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13045
		FILM NUMBER:		231380655

	MAIL ADDRESS:	
		STREET 1:		C/O IRON MOUNTAIN INCORPORATED
		STREET 2:		ONE FEDERAL STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

ISSUER:		

	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

	BUSINESS ADDRESS:	
		STREET 1:		85 NEW HAMPSHIRE AVENUE, SUITE 150
		STREET 2:		PEASE INTERNATIONAL TRADEPORT
		CITY:			PORTSMOUTH
		STATE:			NH
		ZIP:			03801
		BUSINESS PHONE:		617-535-4781

	MAIL ADDRESS:	
		STREET 1:		1101 ENTERPRISE DRIVE
		CITY:			ROYERSFORD
		STATE:			PA
		ZIP:			19468

	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>4
<SEQUENCE>1
<FILENAME>wk-form4_1699308025.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wk-form4_1699308025.html

Document 1 - RAW XML: wk-form4_1699308025.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa-marson1.htm
<DESCRIPTION>EX-24
<TEXT>
Document 2 - file: poa-marson1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>poa-marson1001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: poa-marson1001.jpg

</DOCUMENT>
</SEC-DOCUMENT>