<SEC-DOCUMENT>0001628280-19-014206.txt : 20191114
<SEC-HEADER>0001628280-19-014206.hdr.sgml : 20191114
<ACCEPTANCE-DATETIME>20191114160331
ACCESSION NUMBER:		0001628280-19-014206
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20191114
FILED AS OF DATE:		20191114
DATE AS OF CHANGE:		20191114

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vranos Michael W
		CENTRAL INDEX KEY:			0001474808

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35896
		FILM NUMBER:		191219931

	MAIL ADDRESS:	
		STREET 1:		52 FOREST AVENUE
		CITY:			OLD GREENWICH
		STATE:			CT
		ZIP:			06870

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ellington Residential Mortgage REIT
		CENTRAL INDEX KEY:			0001560672
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				460687599
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		53 FOREST AVENUE
		CITY:			OLD GREENWICH
		STATE:			CT
		ZIP:			06870
		BUSINESS PHONE:		(203) 698-1200

	MAIL ADDRESS:	
		STREET 1:		53 FOREST AVENUE
		CITY:			OLD GREENWICH
		STATE:			CT
		ZIP:			06870
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_157376539493026.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-11-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001560672</issuerCik>
        <issuerName>Ellington Residential Mortgage REIT</issuerName>
        <issuerTradingSymbol>EARN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001474808</rptOwnerCik>
            <rptOwnerName>Vranos Michael W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>53 FOREST AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OLD GREENWICH</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06870</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Co-Chief Investment Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common shares</value>
            </securityTitle>
            <transactionDate>
                <value>2019-11-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>21307</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>106472</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>33143</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On November 14, 2019, these common shares were transferred from the investment accounts of certain former, inactive, or non-participating partners partners in EMG Holdings, L.P. (&quot;EMGH&quot;) to such partners' respective brokerage accounts. EMGH did not receive or pay any consideration in connection with the transfer of such shares of common stock.</footnote>
        <footnote id="F2">Represents common shares held directly by EMGH, and indirectly by VC Investments L.L.C., or &quot;VC,&quot; and Michael W. Vranos. Each of EMGH, VC, and Mr. Vranos has shared voting and dispositive power over these shares. VC is the general partner of EMGH. Mr. Vranos is the managing member of, and holds a controlling interest in VC. Each of VC, EMGH and Mr. Vranos disclaims beneficial ownership of these shares except to the extent of its or his pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jason Frank, as attorney-in-fact for Michael W. Vranos</signatureName>
        <signatureDate>2019-11-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
