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                    <ns2:ccc>XXXXXXXX</ns2:ccc>
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            </ns2:filer>
            <ns2:liveTestFlag>LIVE</ns2:liveTestFlag>



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            <ns2:issuerCik>0001579241</ns2:issuerCik>
            <ns2:issuerName>ALLEGION PUBLIC LIMITED COMPANY</ns2:issuerName>
            <ns2:secFileNumber>001-35971</ns2:secFileNumber>
            <ns2:issuerAddress>
                <com:street1>Block D Iveagh Court</com:street1>
                <com:street2>Harcourt Road</com:street2>
                <com:city>Dublin</com:city>
                <com:stateOrCountry>L2</com:stateOrCountry>
                <com:zipCode>D02 VH94</com:zipCode>
            </ns2:issuerAddress>
            <ns2:issuerContactPhone>353-1-254-6200</ns2:issuerContactPhone>
            <ns2:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Timothy P. Eckersley</ns2:nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <ns2:relationshipsToIssuer>
                <ns2:relationshipToIssuer>Officer</ns2:relationshipToIssuer>
            </ns2:relationshipsToIssuer>
        </ns2:issuerInfo>
        <ns2:securitiesInformation>
            <ns2:securitiesClassTitle>Ordinary Shares</ns2:securitiesClassTitle>
            <ns2:brokerOrMarketmakerDetails>
                <ns2:name>Goldman Sachs &amp; Co. LLC</ns2:name>
                <ns2:address>
                    <com:street1>200 West Street</com:street1>
                    <com:city>New York</com:city>
                    <com:stateOrCountry>NY</com:stateOrCountry>
                    <com:zipCode>10282</com:zipCode>
                </ns2:address>
            </ns2:brokerOrMarketmakerDetails>
            <ns2:noOfUnitsSold>5089</ns2:noOfUnitsSold>
            <ns2:aggregateMarketValue>644799.48</ns2:aggregateMarketValue>
            <ns2:noOfUnitsOutstanding>87554388</ns2:noOfUnitsOutstanding>
            <ns2:approxSaleDate>03/11/2024</ns2:approxSaleDate>
            <ns2:securitiesExchangeName>NYSE</ns2:securitiesExchangeName>
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            <ns2:securitiesClassTitle>Ordinary Shares</ns2:securitiesClassTitle>
            <ns2:acquiredDate>02/16/2023</ns2:acquiredDate>
            <ns2:natureOfAcquisitionTransaction>Deferred Share Payout</ns2:natureOfAcquisitionTransaction>
            <ns2:nameOfPersonfromWhomAcquired>Allegion plc</ns2:nameOfPersonfromWhomAcquired>
            <ns2:isGiftTransaction>N</ns2:isGiftTransaction>
            <ns2:amountOfSecuritiesAcquired>1670</ns2:amountOfSecuritiesAcquired>
            <ns2:paymentDate>02/16/2023</ns2:paymentDate>
            <ns2:natureOfPayment>Compensation</ns2:natureOfPayment>
        </ns2:securitiesToBeSold>
        <ns2:securitiesToBeSold>
            <ns2:securitiesClassTitle>Ordinary Shares</ns2:securitiesClassTitle>
            <ns2:acquiredDate>02/16/2022</ns2:acquiredDate>
            <ns2:natureOfAcquisitionTransaction>Deferred Share Payout</ns2:natureOfAcquisitionTransaction>
            <ns2:nameOfPersonfromWhomAcquired>Allegion plc</ns2:nameOfPersonfromWhomAcquired>
            <ns2:isGiftTransaction>N</ns2:isGiftTransaction>
            <ns2:amountOfSecuritiesAcquired>1692</ns2:amountOfSecuritiesAcquired>
            <ns2:paymentDate>02/16/2022</ns2:paymentDate>
            <ns2:natureOfPayment>Compensation</ns2:natureOfPayment>
        </ns2:securitiesToBeSold>
        <ns2:securitiesToBeSold>
            <ns2:securitiesClassTitle>Ordinary Shares</ns2:securitiesClassTitle>
            <ns2:acquiredDate>02/20/2024</ns2:acquiredDate>
            <ns2:natureOfAcquisitionTransaction>Deferred Share Payout</ns2:natureOfAcquisitionTransaction>
            <ns2:nameOfPersonfromWhomAcquired>Allegion plc</ns2:nameOfPersonfromWhomAcquired>
            <ns2:isGiftTransaction>N</ns2:isGiftTransaction>
            <ns2:amountOfSecuritiesAcquired>1727</ns2:amountOfSecuritiesAcquired>
            <ns2:paymentDate>02/20/2024</ns2:paymentDate>
            <ns2:natureOfPayment>Compensation</ns2:natureOfPayment>
        </ns2:securitiesToBeSold>
        <ns2:nothingToReportFlagOnSecuritiesSoldInPast3Months>N</ns2:nothingToReportFlagOnSecuritiesSoldInPast3Months>
        <ns2:securitiesSoldInPast3Months>
            <ns2:sellerDetails>
                <ns2:name>Timothy P. Eckersley</ns2:name>
                <ns2:address>
                    <com:street1>Block D Iveagh Court</com:street1>
                    <com:street2>Harcourt Road</com:street2>
                    <com:city>Dublin</com:city>
                    <com:stateOrCountry>L2</com:stateOrCountry>
                    <com:zipCode>D02 VH94</com:zipCode>
                </ns2:address>
            </ns2:sellerDetails>
            <ns2:securitiesClassTitle>Ordinary Shares</ns2:securitiesClassTitle>
            <ns2:saleDate>12/15/2023</ns2:saleDate>
            <ns2:amountOfSecuritiesSold>6103</ns2:amountOfSecuritiesSold>
            <ns2:grossProceeds>720158</ns2:grossProceeds>
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        <ns2:securitiesSoldInPast3Months>
            <ns2:sellerDetails>
                <ns2:name>Timothy P. Eckersley</ns2:name>
                <ns2:address>
                    <com:street1>Block D Iveagh Court</com:street1>
                    <com:street2>Harcourt Road</com:street2>
                    <com:city>Dublin</com:city>
                    <com:stateOrCountry>L2</com:stateOrCountry>
                    <com:zipCode>D02 VH94</com:zipCode>
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            <ns2:securitiesClassTitle>Ordinary Shares</ns2:securitiesClassTitle>
            <ns2:saleDate>03/11/2024</ns2:saleDate>
            <ns2:amountOfSecuritiesSold>5047</ns2:amountOfSecuritiesSold>
            <ns2:grossProceeds>656059.53</ns2:grossProceeds>
        </ns2:securitiesSoldInPast3Months>
        <ns2:remarks>All shares to be sold by Timothy P. Eckersley Trust</ns2:remarks>
        <ns2:noticeSignature>
            <ns2:noticeDate>03/11/2024</ns2:noticeDate>
            <ns2:planAdoptionDates/>
            <ns2:signature>Goldman Sachs &amp; Co. LLC on behalf of Timothy P Eckersley</ns2:signature>
        </ns2:noticeSignature>
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144
0001589039
XXXXXXXX
LIVE
0001579241
ALLEGION PUBLIC LIMITED COMPANY
001-35971
Block D Iveagh Court
Harcourt Road
Dublin
L2
D02 VH94
353-1-254-6200
Timothy P. Eckersley
Officer
Ordinary Shares
Goldman Sachs & Co. LLC
200 West Street
New York
NY
10282
5089
644799.48
87554388
03/11/2024
NYSE
Ordinary Shares
02/16/2023
Deferred Share Payout
Allegion plc
N
1670
02/16/2023
Compensation
Ordinary Shares
02/16/2022
Deferred Share Payout
Allegion plc
N
1692
02/16/2022
Compensation
Ordinary Shares
02/20/2024
Deferred Share Payout
Allegion plc
N
1727
02/20/2024
Compensation
N
Timothy P. Eckersley
Block D Iveagh Court
Harcourt Road
Dublin
L2
D02 VH94
Ordinary Shares
12/15/2023
6103
720158
Timothy P. Eckersley
Block D Iveagh Court
Harcourt Road
Dublin
L2
D02 VH94
Ordinary Shares
03/11/2024
5047
656059.53
All shares to be sold by Timothy P. Eckersley Trust
03/11/2024
Goldman Sachs & Co. LLC on behalf of Timothy P Eckersley