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  <xs:element id="ebc_LowIncomeHousingTaxCreditsAndOtherTaxCreditInvestmentsTextBlock" abstract="false" name="LowIncomeHousingTaxCreditsAndOtherTaxCreditInvestmentsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_DisclosureOfBalanceSheetOffsettingTextBlock" abstract="false" name="DisclosureOfBalanceSheetOffsettingTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_DisclosureOfContractualMaturitiesOfAvailableForSaleSecuritiesTableTextBlock" abstract="false" name="DisclosureOfContractualMaturitiesOfAvailableForSaleSecuritiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_AssetsAndLiabilitiesLesseeTableTextBlock" abstract="false" name="AssetsAndLiabilitiesLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_InvestmentProgramProportionalAmortizationMethodElectedTableTextBlock" abstract="false" name="InvestmentProgramProportionalAmortizationMethodElectedTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_DisclosureOfFinancialInstrumentsIndicatedTableTextBlock" abstract="false" name="DisclosureOfFinancialInstrumentsIndicatedTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_ScheduleOfTheNetImpactOfDerivativeInstrumentsOnStatementOfIncomeAndComprehensiveIncomeLossTableTextBlock" abstract="false" name="ScheduleOfTheNetImpactOfDerivativeInstrumentsOnStatementOfIncomeAndComprehensiveIncomeLossTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_DisclosureDetailOfBalanceSheetOffsettingOfFinancialAssetsAndLiabilitiesTableTextBlock" abstract="false" name="DisclosureDetailOfBalanceSheetOffsettingOfFinancialAssetsAndLiabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_SummaryOfTheBalancesOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisTableTextBlock" abstract="false" name="SummaryOfTheBalancesOfAssetsAndLiabilitiesMeasuredAtFairValueOnARecurringBasisTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_SummaryOfTheFairValueOfAssetsAndLiabilitiesMeasuredAtFairValueOnANonrecurringBasisTableTextBlock" abstract="false" name="SummaryOfTheFairValueOfAssetsAndLiabilitiesMeasuredAtFairValueOnANonrecurringBasisTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="ebc_CommercialMortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" abstract="true" name="CommercialMortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_OtherPurposesRequiredByLawMember" abstract="true" name="OtherPurposesRequiredByLawMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_FederalReserveDiscountWindowMember" abstract="true" name="FederalReserveDiscountWindowMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueAbstract" abstract="true" name="DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ebc_DebtSecuritiesAmortizedCostMaturityAllocatedAndSingleMaturityDateYearOne" abstract="false" name="DebtSecuritiesAmortizedCostMaturityAllocatedAndSingleMaturityDateYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_DebtSecuritiesFairValueMaturityAllocatedAndSingleMaturityDateYearOne" abstract="false" name="DebtSecuritiesFairValueMaturityAllocatedAndSingleMaturityDateYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_DebtSecuritiesAmortizedCostAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive" abstract="false" name="DebtSecuritiesAmortizedCostAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_DebtSecuritiesFairValueMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive" abstract="false" name="DebtSecuritiesFairValueMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_DebtSecuritiesAmortizedCostAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearFiveThroughTen" abstract="false" name="DebtSecuritiesAmortizedCostAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearFiveThroughTen" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_DebtSecuritiesFairValueMaturityAllocatedAndSingleMaturityDateAfterYear5Through10" abstract="false" name="DebtSecuritiesFairValueMaturityAllocatedAndSingleMaturityDateAfterYear5Through10" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_DebtSecuritiesAmortizedCostAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10" abstract="false" name="DebtSecuritiesAmortizedCostAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_DebtSecuritiesFairValueMaturityAllocatedAndSingleMaturityDateAfterYear10" abstract="false" name="DebtSecuritiesFairValueMaturityAllocatedAndSingleMaturityDateAfterYear10" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_BusinessBankingMember" abstract="true" name="BusinessBankingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_OtherConsumerMember" abstract="true" name="OtherConsumerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_UnratedMember" abstract="true" name="UnratedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_BusinessBankingSegmentMember" abstract="true" name="BusinessBankingSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_ExposureToCreditRiskOfLoansOrReceivables" abstract="false" name="ExposureToCreditRiskOfLoansOrReceivables" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_ConsumerCreditExposuresPeriodPastDueRequiredToClassifyLoansAsSpecialMentionMaximum" abstract="false" name="ConsumerCreditExposuresPeriodPastDueRequiredToClassifyLoansAsSpecialMentionMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ebc_FinancingReceivableCollateralDependentLoans" abstract="false" name="FinancingReceivableCollateralDependentLoans" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_MortgageLoansInProcessOfForeclosureNumber" abstract="false" name="MortgageLoansInProcessOfForeclosureNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ebc_FinancingReceivableModifiedNumberOfAdditionalCommitmentsToLend" abstract="false" name="FinancingReceivableModifiedNumberOfAdditionalCommitmentsToLend" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ebc_FinancialAssetNotPastDueAccruingMember" abstract="true" name="FinancialAssetNotPastDueAccruingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_FinancialAsset30To89DaysPastDueAccruingMember" abstract="true" name="FinancialAsset30To89DaysPastDueAccruingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_FinancialAssetEqualToOrGreaterThan90DaysPastDueAccruingMember" abstract="true" name="FinancialAssetEqualToOrGreaterThan90DaysPastDueAccruingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_NonAccrualMember" abstract="true" name="NonAccrualMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_FinancingReceivableNonaccrualWithAllowance" abstract="false" name="FinancingReceivableNonaccrualWithAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_PaymentDeferralAndInterestRateReductionMember" abstract="true" name="PaymentDeferralAndInterestRateReductionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_ContractualInterestRateReductionExtendedMaturityAndPaymentDeferralMember" abstract="true" name="ContractualInterestRateReductionExtendedMaturityAndPaymentDeferralMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_FinancingReceivableModifiedInterestOnlyPeriod" abstract="false" name="FinancingReceivableModifiedInterestOnlyPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ebc_FinancingReceivableModifiedWeightedAverageNumberOfPaymentsDeferred" abstract="false" name="FinancingReceivableModifiedWeightedAverageNumberOfPaymentsDeferred" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="ebc_NonPerformingLoanPercentage" abstract="false" name="NonPerformingLoanPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="ebc_PaymentOfLeasePayments" abstract="false" name="PaymentOfLeasePayments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_FinanceLeaseCost" abstract="false" name="FinanceLeaseCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_PurposeAxis" abstract="true" name="PurposeAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="ebc_PurposeDomain" abstract="true" name="PurposeDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_LowIncomeHousingTaxCreditAndOtherTaxCreditInvestmentsMember" abstract="true" name="LowIncomeHousingTaxCreditAndOtherTaxCreditInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_TaxCreditPeriodOfBenefits" abstract="false" name="TaxCreditPeriodOfBenefits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ebc_OperatingLossPeriodOfTaxBenefits" abstract="false" name="OperatingLossPeriodOfTaxBenefits" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ebc_AffordableHousingInvestmentTaxCredits" abstract="false" name="AffordableHousingInvestmentTaxCredits" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_IncomeTaxExpenseBenefitGainLossOnSaleOfSecurities" abstract="false" name="IncomeTaxExpenseBenefitGainLossOnSaleOfSecurities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_EasternBanksharesInc2021EquityIncentivePlanMember" abstract="true" name="EasternBanksharesInc2021EquityIncentivePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_DefinedBenefitPlanEmployerDiscretionaryContributionAmount" abstract="false" name="DefinedBenefitPlanEmployerDiscretionaryContributionAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_ShareBasedCompensationArrangementByShareBasedPaymentAwardReductionOfSharesAvailableToBeIssuedUponExerciseOfStockOptionsWithEachAdditionalRestrictedStockGrant" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardReductionOfSharesAvailableToBeIssuedUponExerciseOfStockOptionsWithEachAdditionalRestrictedStockGrant" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="ebc_ForwardCommitmentsToSellLoansMember" abstract="true" name="ForwardCommitmentsToSellLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_EventAxis" abstract="true" name="EventAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="ebc_EventDomain" abstract="true" name="EventDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_ActiveCashFlowHedgesMember" abstract="true" name="ActiveCashFlowHedgesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_NatureOfTransactionAxis" abstract="true" name="NatureOfTransactionAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="ebc_NatureOfTransactionDomain" abstract="true" name="NatureOfTransactionDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_ClearedDerivativeTransactionMember" abstract="true" name="ClearedDerivativeTransactionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_NonClearedDerivativeTransactionsMember" abstract="true" name="NonClearedDerivativeTransactionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_CustomerRelatedInterestRateSwapDerivativesMember" abstract="true" name="CustomerRelatedInterestRateSwapDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_InterestRateFuturesMember" abstract="true" name="InterestRateFuturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_CreditExposureToInterestSwapInExcessOfTerminationValues" abstract="false" name="CreditExposureToInterestSwapInExcessOfTerminationValues" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_RiskParticipationAgreementsMember" abstract="true" name="RiskParticipationAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_ForeignExchangeCurrencyContractsMatchedBookCustomerMember" abstract="true" name="ForeignExchangeCurrencyContractsMatchedBookCustomerMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_ForeignExchangeCurrencyContractsForeignCurrencyLoanMember" abstract="true" name="ForeignExchangeCurrencyContractsForeignCurrencyLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_FinancialInstrumentsOriginalMaturity" abstract="false" name="FinancialInstrumentsOriginalMaturity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="ebc_MortgageDerivativeMember" abstract="true" name="MortgageDerivativeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_CollateralDependentImpairedLoansFairValueSubjectToAppraisal" abstract="false" name="CollateralDependentImpairedLoansFairValueSubjectToAppraisal" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="ebc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable" abstract="true" name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="ebc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" abstract="true" name="FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="ebc_InvestmentAdvisoryFeesMember" abstract="true" name="InvestmentAdvisoryFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_ServiceChargeOnDepositAccountsMember" abstract="true" name="ServiceChargeOnDepositAccountsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_CardIncomeMember" abstract="true" name="CardIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_OtherNonInterestIncomeMember" abstract="true" name="OtherNonInterestIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_AccumulatedDefinedBenefitPlansAdjustmentAmortizationOfActuarialLossAttributableToParentMember" abstract="true" name="AccumulatedDefinedBenefitPlansAdjustmentAmortizationOfActuarialLossAttributableToParentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="ebc_JosephCaseyMember" abstract="true" name="JosephCaseyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
