<SEC-DOCUMENT>0000950138-19-000013-index.html : 20190104
<SEC-HEADER>0000950138-19-000013.hdr.sgml : 20190104
<ACCEPTANCE-DATETIME>20190104180950
ACCESSION NUMBER:		0000950138-19-000013
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190102
FILED AS OF DATE:		20190104
DATE AS OF CHANGE:		20190104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			O'Neill Hugh M.
		CENTRAL INDEX KEY:			0001587504

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35803
		FILM NUMBER:		19511505

	MAIL ADDRESS:	
		STREET 1:		675 MCDONNELL BLVD.
		CITY:			HAZELWOOD
		STATE:			MO
		ZIP:			63042

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mallinckrodt plc
		CENTRAL INDEX KEY:			0001567892
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				981088325
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		3 LOTUS PARK, THE CAUSEWAY
		STREET 2:		STAINES-UPON-THAMES
		CITY:			SURREY
		STATE:			X0
		ZIP:			TW18 3AG
		BUSINESS PHONE:		44-017-8463-6700

	MAIL ADDRESS:	
		STREET 1:		3 LOTUS PARK, THE CAUSEWAY
		STREET 2:		STAINES-UPON-THAMES
		CITY:			SURREY
		STATE:			X0
		ZIP:			TW18 3AG
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: edgar.html

Document 1 - RAW XML: edgar.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>oneillpoa_012019.txt
<DESCRIPTION>POWER OF ATTORNEY FOR HUGH M. O'NEILL
<TEXT>
Document 2 - file: oneillpoa_012019.txt

</DOCUMENT>
</SEC-DOCUMENT>