<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<!-- -->
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.fcbanking.com/20130331" xmlns:fcf="http://www.fcbanking.com/20130331" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:import namespace="http://fasb.org/us-gaap/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-roles-2012-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-types-2012-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/country/2012-01-31" schemaLocation="http://xbrl.sec.gov/country/2012/country-2012-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/currency/2012-01-31" schemaLocation="http://xbrl.sec.gov/currency/2012/currency-2012-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2012-01-31" schemaLocation="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/exch/2012-01-31" schemaLocation="http://xbrl.sec.gov/exch/2012/exch-2012-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2012-01-31" schemaLocation="http://xbrl.sec.gov/invest/2012/invest-2012-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="fcf-20130331_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="fcf-20130331_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="fcf-20130331_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="fcf-20130331_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
      <link:roleType id="BasisOfPresentation" roleURI="http://www.fcbanking.com/role/BasisOfPresentation">
        <link:definition>2101100 - Disclosure - Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingentLiabilities" roleURI="http://www.fcbanking.com/role/CommitmentsAndContingentLiabilities">
        <link:definition>2106100 - Disclosure - Commitments and Contingent Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingentLiabilitiesAdditionalInformationDetail" roleURI="http://www.fcbanking.com/role/CommitmentsAndContingentLiabilitiesAdditionalInformationDetail">
        <link:definition>2406403 - Disclosure - Commitments and Contingent Liabilities - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingentLiabilitiesNotionalAmountOfOutstandingCommitmentsDetail" roleURI="http://www.fcbanking.com/role/CommitmentsAndContingentLiabilitiesNotionalAmountOfOutstandingCommitmentsDetail">
        <link:definition>2406402 - Disclosure - Commitments and Contingent Liabilities - Notional Amount of Outstanding Commitments (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CommitmentsAndContingentLiabilitiesTables" roleURI="http://www.fcbanking.com/role/CommitmentsAndContingentLiabilitiesTables">
        <link:definition>2306301 - Disclosure - Commitments and Contingent Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfCashFlowsUnaudited" roleURI="http://www.fcbanking.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited">
        <link:definition>1005000 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfChangesInShareholdersEquityUnaudited" roleURI="http://www.fcbanking.com/role/CondensedConsolidatedStatementsOfChangesInShareholdersEquityUnaudited">
        <link:definition>1004000 - Statement - Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfChangesInShareholdersEquityUnauditedParenthetical" roleURI="http://www.fcbanking.com/role/CondensedConsolidatedStatementsOfChangesInShareholdersEquityUnauditedParenthetical">
        <link:definition>1004501 - Statement - Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" roleURI="http://www.fcbanking.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited">
        <link:definition>1003000 - Statement - Condensed Consolidated Statements of Comprehensive Income (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfFinancialConditionUnaudited" roleURI="http://www.fcbanking.com/role/CondensedConsolidatedStatementsOfFinancialConditionUnaudited">
        <link:definition>1001000 - Statement - Condensed Consolidated Statements of Financial Condition (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfFinancialConditionUnauditedParenthetical" roleURI="http://www.fcbanking.com/role/CondensedConsolidatedStatementsOfFinancialConditionUnauditedParenthetical">
        <link:definition>1001501 - Statement - Condensed Consolidated Statements of Financial Condition (Unaudited) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CondensedConsolidatedStatementsOfIncomeUnaudited" roleURI="http://www.fcbanking.com/role/CondensedConsolidatedStatementsOfIncomeUnaudited">
        <link:definition>1002000 - Statement - Condensed Consolidated Statements of Income (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Derivatives" roleURI="http://www.fcbanking.com/role/Derivatives">
        <link:definition>2113100 - Disclosure - Derivatives</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesAdditionalInformationDetail" roleURI="http://www.fcbanking.com/role/DerivativesAdditionalInformationDetail">
        <link:definition>2413402 - Disclosure - Derivatives - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesCreditValueAdjustmentRecordedRelatedToNotionalAmountOfDerivativesOutstandingDetail" roleURI="http://www.fcbanking.com/role/DerivativesCreditValueAdjustmentRecordedRelatedToNotionalAmountOfDerivativesOutstandingDetail">
        <link:definition>2413403 - Disclosure - Derivatives - Credit Value Adjustment Recorded Related to Notional Amount of Derivatives Outstanding (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesScheduleOfChangesInFairValueOfDerivativeAssetsAndLiabilitiesDetail" roleURI="http://www.fcbanking.com/role/DerivativesScheduleOfChangesInFairValueOfDerivativeAssetsAndLiabilitiesDetail">
        <link:definition>2413404 - Disclosure - Derivatives - Schedule of Changes in Fair Value of Derivative Assets and Liabilities (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativesTables" roleURI="http://www.fcbanking.com/role/DerivativesTables">
        <link:definition>2313301 - Disclosure - Derivatives (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DocumentAndEntityInformation" roleURI="http://www.fcbanking.com/role/DocumentAndEntityInformation">
        <link:definition>0001000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShare" roleURI="http://www.fcbanking.com/role/EarningsPerShare">
        <link:definition>2104100 - Disclosure - Earnings per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareCommonStockEquivalentsNotIncludedInComputationOfDilutedEarningsPerShareDetail" roleURI="http://www.fcbanking.com/role/EarningsPerShareCommonStockEquivalentsNotIncludedInComputationOfDilutedEarningsPerShareDetail">
        <link:definition>2404403 - Disclosure - Earnings per Share - Common Stock Equivalents Not Included in Computation of Diluted Earnings Per Share (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareCompositionOfWeightedAverageCommonSharesDenominatorUsedInBasicAndDilutedEarningsPerShareDetail" roleURI="http://www.fcbanking.com/role/EarningsPerShareCompositionOfWeightedAverageCommonSharesDenominatorUsedInBasicAndDilutedEarningsPerShareDetail">
        <link:definition>2404402 - Disclosure - Earnings per Share - Composition of Weighted-Average Common Shares (Denominator) Used in Basic and Diluted Earnings Per Share (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EarningsPerShareTables" roleURI="http://www.fcbanking.com/role/EarningsPerShareTables">
        <link:definition>2304301 - Disclosure - Earnings per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValuesOfAssetsAndLiabilities" roleURI="http://www.fcbanking.com/role/FairValuesOfAssetsAndLiabilities">
        <link:definition>2112100 - Disclosure - Fair Values of Assets and Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValuesOfAssetsAndLiabilitiesAdditionalInformationDetail" roleURI="http://www.fcbanking.com/role/FairValuesOfAssetsAndLiabilitiesAdditionalInformationDetail">
        <link:definition>2412405 - Disclosure - Fair Values of Assets and Liabilities - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValuesOfAssetsAndLiabilitiesCarryingAmountsAndFairValuesOfFinancialInstrumentsDetail" roleURI="http://www.fcbanking.com/role/FairValuesOfAssetsAndLiabilitiesCarryingAmountsAndFairValuesOfFinancialInstrumentsDetail">
        <link:definition>2412408 - Disclosure - Fair Values of Assets and Liabilities - Carrying Amounts and Fair Values of Financial Instruments (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValuesOfAssetsAndLiabilitiesLossesRealizedOnAssetsMeasuredOnNonRecurringBasisDetail" roleURI="http://www.fcbanking.com/role/FairValuesOfAssetsAndLiabilitiesLossesRealizedOnAssetsMeasuredOnNonRecurringBasisDetail">
        <link:definition>2412407 - Disclosure - Fair Values of Assets and Liabilities - Losses Realized on Assets Measured on Non-Recurring Basis (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValuesOfAssetsAndLiabilitiesQuantitativeInputsAndAssumptionsUsedInLevel3FairValueMeasurementsDetail" roleURI="http://www.fcbanking.com/role/FairValuesOfAssetsAndLiabilitiesQuantitativeInputsAndAssumptionsUsedInLevel3FairValueMeasurementsDetail">
        <link:definition>2412402 - Disclosure - Fair Values of Assets and Liabilities - Quantitative Inputs and Assumptions Used in Level 3 Fair Value Measurements (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValuesOfAssetsAndLiabilitiesScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail" roleURI="http://www.fcbanking.com/role/FairValuesOfAssetsAndLiabilitiesScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail">
        <link:definition>2412403 - Disclosure - Fair Values of Assets and Liabilities - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValuesOfAssetsAndLiabilitiesScheduleOfAssetsMeasuredOnNonRecurringBasisDetail" roleURI="http://www.fcbanking.com/role/FairValuesOfAssetsAndLiabilitiesScheduleOfAssetsMeasuredOnNonRecurringBasisDetail">
        <link:definition>2412406 - Disclosure - Fair Values of Assets and Liabilities - Schedule of Assets Measured on Non-Recurring Basis (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValuesOfAssetsAndLiabilitiesScheduleOfChangesInLevel3AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail" roleURI="http://www.fcbanking.com/role/FairValuesOfAssetsAndLiabilitiesScheduleOfChangesInLevel3AssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetail">
        <link:definition>2412404 - Disclosure - Fair Values of Assets and Liabilities - Schedule of Changes in Level 3 Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValuesOfAssetsAndLiabilitiesTables" roleURI="http://www.fcbanking.com/role/FairValuesOfAssetsAndLiabilitiesTables">
        <link:definition>2312301 - Disclosure - Fair Values of Assets and Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Goodwill" roleURI="http://www.fcbanking.com/role/Goodwill">
        <link:definition>2114100 - Disclosure - Goodwill</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GoodwillAdditionalInformationDetail" roleURI="http://www.fcbanking.com/role/GoodwillAdditionalInformationDetail">
        <link:definition>2414401 - Disclosure - Goodwill - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ImpairmentOfInvestmentSecurities" roleURI="http://www.fcbanking.com/role/ImpairmentOfInvestmentSecurities">
        <link:definition>2109100 - Disclosure - Impairment of Investment Securities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ImpairmentOfInvestmentSecuritiesAdditionalInformationDetail" roleURI="http://www.fcbanking.com/role/ImpairmentOfInvestmentSecuritiesAdditionalInformationDetail">
        <link:definition>2409402 - Disclosure - Impairment of Investment Securities - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ImpairmentOfInvestmentSecuritiesCumulativeRollForwardOfCreditLossesRecognizedInEarningsForDebtSecuritiesHeldAndNotIntendedToBeSoldDetail" roleURI="http://www.fcbanking.com/role/ImpairmentOfInvestmentSecuritiesCumulativeRollForwardOfCreditLossesRecognizedInEarningsForDebtSecuritiesHeldAndNotIntendedToBeSoldDetail">
        <link:definition>2409406 - Disclosure - Impairment of Investment Securities - Cumulative Roll Forward of Credit Losses Recognized in Earnings for Debt Securities Held and Not Intended to be Sold (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ImpairmentOfInvestmentSecuritiesPooledTrustPreferredCollateralizedDebtObligationsDetail" roleURI="http://www.fcbanking.com/role/ImpairmentOfInvestmentSecuritiesPooledTrustPreferredCollateralizedDebtObligationsDetail">
        <link:definition>2409405 - Disclosure - Impairment of Investment Securities - Pooled Trust Preferred Collateralized Debt Obligations (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ImpairmentOfInvestmentSecuritiesScheduleOfUnrealizedLossesAndEstimatedFairValuesDetail" roleURI="http://www.fcbanking.com/role/ImpairmentOfInvestmentSecuritiesScheduleOfUnrealizedLossesAndEstimatedFairValuesDetail">
        <link:definition>2409403 - Disclosure - Impairment of Investment Securities - Schedule of Unrealized Losses and Estimated Fair Values (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ImpairmentOfInvestmentSecuritiesScheduleOfUnrealizedLossesAndEstimatedFairValuesParentheticalDetail" roleURI="http://www.fcbanking.com/role/ImpairmentOfInvestmentSecuritiesScheduleOfUnrealizedLossesAndEstimatedFairValuesParentheticalDetail">
        <link:definition>2409404 - Disclosure - Impairment of Investment Securities - Schedule of Unrealized Losses and Estimated Fair Values (Parenthetical) (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ImpairmentOfInvestmentSecuritiesTables" roleURI="http://www.fcbanking.com/role/ImpairmentOfInvestmentSecuritiesTables">
        <link:definition>2309301 - Disclosure - Impairment of Investment Securities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxes" roleURI="http://www.fcbanking.com/role/IncomeTaxes">
        <link:definition>2111100 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentSecurities" roleURI="http://www.fcbanking.com/role/InvestmentSecurities">
        <link:definition>2107100 - Disclosure - Investment Securities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentSecuritiesAdditionalInformationDetail" roleURI="http://www.fcbanking.com/role/InvestmentSecuritiesAdditionalInformationDetail">
        <link:definition>2407406 - Disclosure - Investment Securities - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentSecuritiesAmortizedCostAndEstimatedFairValueOfDebtSecuritiesAvailableForSaleDetail" roleURI="http://www.fcbanking.com/role/InvestmentSecuritiesAmortizedCostAndEstimatedFairValueOfDebtSecuritiesAvailableForSaleDetail">
        <link:definition>2407403 - Disclosure - Investment Securities - Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentSecuritiesAmortizedCostAndEstimatedFairValueOfDebtSecuritiesAvailableForSaleParentheticalDetail" roleURI="http://www.fcbanking.com/role/InvestmentSecuritiesAmortizedCostAndEstimatedFairValueOfDebtSecuritiesAvailableForSaleParentheticalDetail">
        <link:definition>2407404 - Disclosure - Investment Securities - Amortized Cost and Estimated Fair Value of Debt Securities Available for Sale (Parenthetical) (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentSecuritiesAnalysisOfAmortizedCostAndEstimatedFairValuesOfSecuritiesAvailableForSaleDetail" roleURI="http://www.fcbanking.com/role/InvestmentSecuritiesAnalysisOfAmortizedCostAndEstimatedFairValuesOfSecuritiesAvailableForSaleDetail">
        <link:definition>2407402 - Disclosure - Investment Securities - Analysis of Amortized Cost and Estimated Fair Values of Securities Available for Sale (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentSecuritiesProceedsFromSaleGrossGainsLossesRealizedOnSalesMaturitiesAndOtherThanTemporaryImpairmentChargesRelatedToSecuritiesAvailableForSaleDetail" roleURI="http://www.fcbanking.com/role/InvestmentSecuritiesProceedsFromSaleGrossGainsLossesRealizedOnSalesMaturitiesAndOtherThanTemporaryImpairmentChargesRelatedToSecuritiesAvailableForSaleDetail">
        <link:definition>2407405 - Disclosure - Investment Securities - Proceeds from Sale, Gross Gains (Losses) Realized on Sales, Maturities and Other-Than-Temporary Impairment Charges Related to Securities Available for Sale (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="InvestmentSecuritiesTables" roleURI="http://www.fcbanking.com/role/InvestmentSecuritiesTables">
        <link:definition>2307301 - Disclosure - Investment Securities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLosses" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLosses">
        <link:definition>2110100 - Disclosure - Loans and Allowance for Credit Losses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesAdditionalInformationDetail" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesAdditionalInformationDetail">
        <link:definition>2410403 - Disclosure - Loans and Allowance for Credit Losses - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesAgeAnalysisOfPastDueLoansBySegmentDetail" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesAgeAnalysisOfPastDueLoansBySegmentDetail">
        <link:definition>2410405 - Disclosure - Loans and Allowance for Credit Losses - Age Analysis of Past Due Loans by Segment (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesAllowanceForCreditLossesDetail" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesAllowanceForCreditLossesDetail">
        <link:definition>2410410 - Disclosure - Loans and Allowance for Credit Losses - Allowance for Credit Losses (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesCreditRiskProfileByCreditworthinessDetail" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesCreditRiskProfileByCreditworthinessDetail">
        <link:definition>2410404 - Disclosure - Loans and Allowance for Credit Losses - Credit Risk Profile by Creditworthiness (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesOutstandingBalancesOfLoanDetail" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesOutstandingBalancesOfLoanDetail">
        <link:definition>2410402 - Disclosure - Loans and Allowance for Credit Losses - Outstanding Balances of Loan (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesRecordedInvestmentAndUnpaidPrincipalBalanceForImpairedLoansWithAssociatedAllowanceDetail" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesRecordedInvestmentAndUnpaidPrincipalBalanceForImpairedLoansWithAssociatedAllowanceDetail">
        <link:definition>2410406 - Disclosure - Loans and Allowance for Credit Losses - Recorded Investment and Unpaid Principal Balance for Impaired Loans with Associated Allowance (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesTables" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesTables">
        <link:definition>2310301 - Disclosure - Loans and Allowance for Credit Losses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesTroubledDebtRestructuredLoansAndCommitmentsDetail" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesTroubledDebtRestructuredLoansAndCommitmentsDetail">
        <link:definition>2410407 - Disclosure - Loans and Allowance for Credit Losses - Troubled Debt Restructured Loans and Commitments (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesTroubledDebtRestructuringIs90DaysOrMorePastDueDetail" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesTroubledDebtRestructuringIs90DaysOrMorePastDueDetail">
        <link:definition>2410409 - Disclosure - Loans and Allowance for Credit Losses - Troubled Debt Restructuring is 90 Days or More Past Due (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LoansAndAllowanceForCreditLossesTroubledDebtRestructuringsIdentifiedDuringPeriodDetail" roleURI="http://www.fcbanking.com/role/LoansAndAllowanceForCreditLossesTroubledDebtRestructuringsIdentifiedDuringPeriodDetail">
        <link:definition>2410408 - Disclosure - Loans and Allowance for Credit Losses - Troubled Debt Restructurings Identified During Period (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NewAccountingPronouncementsNotes" roleURI="http://www.fcbanking.com/role/NewAccountingPronouncementsNotes">
        <link:definition>2115100 - Disclosure - New Accounting Pronouncements (Notes)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherInvestments" roleURI="http://www.fcbanking.com/role/OtherInvestments">
        <link:definition>2108100 - Disclosure - Other Investments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OtherInvestmentsAdditionalInformationDetail" roleURI="http://www.fcbanking.com/role/OtherInvestmentsAdditionalInformationDetail">
        <link:definition>2408401 - Disclosure - Other Investments - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://www.fcbanking.com/role/SubsequentEvents">
        <link:definition>2116100 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsDetails" roleURI="http://www.fcbanking.com/role/SubsequentEventsDetails">
        <link:definition>2416401 - Disclosure - Subsequent Events (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalCashFlowDisclosures" roleURI="http://www.fcbanking.com/role/SupplementalCashFlowDisclosures">
        <link:definition>2103100 - Disclosure - Supplemental Cash Flow Disclosures</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalCashFlowDisclosuresNonCashInvestingAndFinancingActivitiesDetail" roleURI="http://www.fcbanking.com/role/SupplementalCashFlowDisclosuresNonCashInvestingAndFinancingActivitiesDetail">
        <link:definition>2403402 - Disclosure - Supplemental Cash Flow Disclosures - Non-cash Investing and Financing Activities (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalCashFlowDisclosuresTables" roleURI="http://www.fcbanking.com/role/SupplementalCashFlowDisclosuresTables">
        <link:definition>2303301 - Disclosure - Supplemental Cash Flow Disclosures (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalComprehensiveIncomeDisclosures" roleURI="http://www.fcbanking.com/role/SupplementalComprehensiveIncomeDisclosures">
        <link:definition>2102100 - Disclosure - Supplemental Comprehensive Income Disclosures</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalComprehensiveIncomeDisclosuresDetails" roleURI="http://www.fcbanking.com/role/SupplementalComprehensiveIncomeDisclosuresDetails">
        <link:definition>2402402 - Disclosure - Supplemental Comprehensive Income Disclosures (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalComprehensiveIncomeDisclosuresDetails2" roleURI="http://www.fcbanking.com/role/SupplementalComprehensiveIncomeDisclosuresDetails2">
        <link:definition>2402403 - Disclosure - Supplemental Comprehensive Income Disclosures (Details 2)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalComprehensiveIncomeDisclosuresTables" roleURI="http://www.fcbanking.com/role/SupplementalComprehensiveIncomeDisclosuresTables">
        <link:definition>2302301 - Disclosure - Supplemental Comprehensive Income Disclosures (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntities" roleURI="http://www.fcbanking.com/role/VariableInterestEntities">
        <link:definition>2105100 - Disclosure - Variable Interest Entities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesScheduleOfMaximumPotentialExposureDetail" roleURI="http://www.fcbanking.com/role/VariableInterestEntitiesScheduleOfMaximumPotentialExposureDetail">
        <link:definition>2405402 - Disclosure - Variable Interest Entities - Schedule of Maximum Potential Exposure (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="VariableInterestEntitiesTables" roleURI="http://www.fcbanking.com/role/VariableInterestEntitiesTables">
        <link:definition>2305301 - Disclosure - Variable Interest Entities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element abstract="true" id="fcf_AccruingLoansMember" name="AccruingLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_AccumulatedOtherComprehensiveIncomeLossLineItems" name="AccumulatedOtherComprehensiveIncomeLossLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_AccumulatedOtherComprehensiveIncomeLossTable" name="AccumulatedOtherComprehensiveIncomeLossTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_AdjustmentsToAdditionalPaidInCapitalMarkToMarketGross" name="AdjustmentsToAdditionalPaidInCapitalMarkToMarketGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_AdjustmentsToAdditionalPaidInCapitalMarkToMarketTax" name="AdjustmentsToAdditionalPaidInCapitalMarkToMarketTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_AmortizedCostAndEstimatedFairValueOfDebtSecuritiesAvailableForSaleByContractualMaturityTableTextBlock" name="AmortizedCostAndEstimatedFairValueOfDebtSecuritiesAvailableForSaleByContractualMaturityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_AmountOfNonAccrualStatusLoan" name="AmountOfNonAccrualStatusLoan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fcf_AmountOfPooledIssuesThatRemainedAboveInvestmentGrade" name="AmountOfPooledIssuesThatRemainedAboveInvestmentGrade" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_AssetSizeAndCouponRate1Member" name="AssetSizeAndCouponRate1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_AssetSizeAndCouponRate2Member" name="AssetSizeAndCouponRate2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_AssetSizeAndCouponRate3Member" name="AssetSizeAndCouponRate3Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_AssetSizeAndCouponRate4Member" name="AssetSizeAndCouponRate4Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_AssetSizeAndCouponRate5Member" name="AssetSizeAndCouponRate5Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_AvailableForSaleSecuritiesBookValue" name="AvailableForSaleSecuritiesBookValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fcf_AvailableForSaleSecuritiesContinuousUnrealizedIncomeLossPositionLessThanTwelveMonthsAggregateGainLosses" name="AvailableForSaleSecuritiesContinuousUnrealizedIncomeLossPositionLessThanTwelveMonthsAggregateGainLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fcf_AvailableForSaleSecuritiesDebtMaturitiesEstimatedFairValue" name="AvailableForSaleSecuritiesDebtMaturitiesEstimatedFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fcf_AvailableForSaleSecuritiesDebtMaturitiesGrossAmortizedCost" name="AvailableForSaleSecuritiesDebtMaturitiesGrossAmortizedCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fcf_AvailableForSaleSecuritiesDebtMaturitiesGrossEstimatedFairValue" name="AvailableForSaleSecuritiesDebtMaturitiesGrossEstimatedFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fcf_AvailableForSaleSecuritiesInUnrealizedLossPercentage" name="AvailableForSaleSecuritiesInUnrealizedLossPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_CashPaidForInterestAndIncomeTaxesAbstract" name="CashPaidForInterestAndIncomeTaxesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ChangeInOtherIncomeDueToCreditRiskOnInterestRateSwaps" name="ChangeInOtherIncomeDueToCreditRiskOnInterestRateSwaps" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_CollectionAndRepossessionExpenses" name="CollectionAndRepossessionExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_CommercialFinancialAgriculturalAndOtherMember" name="CommercialFinancialAgriculturalAndOtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_CommercialFinancialAgriculturalAndOtherWithNoRelatedAllowanceMember" name="CommercialFinancialAgriculturalAndOtherWithNoRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_CommercialFinancialAgriculturalAndOtherWithRelatedAllowanceMember" name="CommercialFinancialAgriculturalAndOtherWithRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_CommercialLettersOfCreditMember" name="CommercialLettersOfCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_CommercialRealEstateLoanInNevadaMember" name="CommercialRealEstateLoanInNevadaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_CommercialRealEstateWithNoRelatedAllowanceMember" name="CommercialRealEstateWithNoRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_CommercialRealEstateWithRelatedAllowanceMember" name="CommercialRealEstateWithRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_CommitmentsNet" name="CommitmentsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_CommonSecuritiesMember" name="CommonSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_ConstructionLoanInFloridaMember" name="ConstructionLoanInFloridaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_CorporateSecuritiesMember" name="CorporateSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_CounterpartyCreditRiskMember" name="CounterpartyCreditRiskMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_CreditRiskOnInterestRateSwaps" name="CreditRiskOnInterestRateSwaps" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_CreditValueAdjustmentRecordedRelatedToNotionalAmountOfDerivativesOutstandingTableTextBlock" name="CreditValueAdjustmentRecordedRelatedToNotionalAmountOfDerivativesOutstandingTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_DebtInstrumentPrepaymentPenalty" name="DebtInstrumentPrepaymentPenalty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fcf_DecreaseInSpecificAllowanceForNonperformingLoans" name="DecreaseInSpecificAllowanceForNonperformingLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_DefaultedTroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" name="DefaultedTroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_DeferralsAndDefaultsAsPercentageOfCurrentCollateral" name="DeferralsAndDefaultsAsPercentageOfCurrentCollateral" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_DerivativesMarkToMarket" name="DerivativesMarkToMarket" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_DisclosureImpairmentOfInvestmentSecuritiesPooledTrustPreferredCollateralizedDebtObligationsAbstract" name="DisclosureImpairmentOfInvestmentSecuritiesPooledTrustPreferredCollateralizedDebtObligationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_DiscountOnDividendReinvestmentPlanPurchases" name="DiscountOnDividendReinvestmentPlanPurchases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_DiscountRatesMember" name="DiscountRatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_DiscountedCashFlowMember" name="DiscountedCashFlowMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_DocumentDocumentandEntityInformationAbstract" name="DocumentDocumentandEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_EmployeeStockOwnershipPlanLoanReductions" name="EmployeeStockOwnershipPlanLoanReductions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_EstimateOfFutureCashFlowAxis" name="EstimateOfFutureCashFlowAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_EstimateOfFutureCashFlowDomain" name="EstimateOfFutureCashFlowDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ExcessPresentValueOfFutureCashFlowsOverOurCurrentBookValue" name="ExcessPresentValueOfFutureCashFlowsOverOurCurrentBookValue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ExcessSubordinationAsPercentageOfCurrentPerformingCollateral" name="ExcessSubordinationAsPercentageOfCurrentPerformingCollateral" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_FairValueInputsCollateral" name="FairValueInputsCollateral" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fcf_FairValueInputsCouponRate" name="FairValueInputsCouponRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_FairValueInputsPrepaymentRateAfterYearTwo" name="FairValueInputsPrepaymentRateAfterYearTwo" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_FairValueInputsPrepaymentRateYearOneAndTwo" name="FairValueInputsPrepaymentRateYearOneAndTwo" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_FairValueMeasurementOfAssetsOnNonrecurringBasisNetLoss" name="FairValueMeasurementOfAssetsOnNonrecurringBasisNetLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_FairValueMeasurementOfAssetsOnNonrecurringBasisNetLossesOnImpairedLoans" name="FairValueMeasurementOfAssetsOnNonrecurringBasisNetLossesOnImpairedLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_FairValueMeasurementOfAssetsOnNonrecurringBasisNetLossesOnOtherRealEstateOwned" name="FairValueMeasurementOfAssetsOnNonrecurringBasisNetLossesOnOtherRealEstateOwned" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_FairValueMeasurementsOfFinancialInstrumentsLineItems" name="FairValueMeasurementsOfFinancialInstrumentsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_FairValueMeasurementsOfFinancialInstrumentsTable" name="FairValueMeasurementsOfFinancialInstrumentsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_FairValueMeasurementsSignificantAssumptionsTypeAxis" name="FairValueMeasurementsSignificantAssumptionsTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_FairValueMeasurementsSignificantAssumptionsTypeDomain" name="FairValueMeasurementsSignificantAssumptionsTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_FairValueWeightedAverageInputsPrice" name="FairValueWeightedAverageInputsPrice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_FinancingReceivableModificationNumberOfContracts" name="FinancingReceivableModificationNumberOfContracts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_FinancingReceivableModificationsExtendMaturity" name="FinancingReceivableModificationsExtendMaturity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_FinancingReceivableModificationsModifyPayments" name="FinancingReceivableModificationsModifyPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_FinancingReceivableModificationsModifyRate" name="FinancingReceivableModificationsModifyRate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_FinancingReceivableModificationsPreModificationsRecordedInvestment" name="FinancingReceivableModificationsPreModificationsRecordedInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_FinancingReceivableModificationsProModificationRecordedInvestment" name="FinancingReceivableModificationsProModificationRecordedInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_FinancingReceivableRecordedInvestmentNonaccrualStatusRemainingPortion" name="FinancingReceivableRecordedInvestmentNonaccrualStatusRemainingPortion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fcf_FinancingReceivableSpecificReserve" name="FinancingReceivableSpecificReserve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_FinancingReceivableTroubledDebtRestructuredLoansAccrualStatus" name="FinancingReceivableTroubledDebtRestructuredLoansAccrualStatus" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fcf_FinancingReceivableTroubledDebtRestructuredLoansNonaccrualStatus" name="FinancingReceivableTroubledDebtRestructuredLoansNonaccrualStatus" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fcf_GainLossOnSecuritiesAndOtherAssets" name="GainLossOnSecuritiesAndOtherAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_GainLossesMaturitiesAndImpairment" name="GainLossesMaturitiesAndImpairment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_GasPerMcfMember" name="GasPerMcfMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_GoodwillDisclosureAbstract" name="GoodwillDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_GrossGains" name="GrossGains" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_GrossIncreaseInMarketValueAdjustmentToSecuritiesAvailableForSale" name="GrossIncreaseInMarketValueAdjustmentToSecuritiesAvailableForSale" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_GrossLosses" name="GrossLosses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_GrossUnrealizedLossesRelatedToAvailableForSaleSecurities" name="GrossUnrealizedLossesRelatedToAvailableForSaleSecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_HotelResortSyndicationLoanInStateOfWashingtonMember" name="HotelResortSyndicationLoanInStateOfWashingtonMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ImpairedLoansFairValue" name="ImpairedLoansFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fcf_ImpairedLoansFairValueNonCollection" name="ImpairedLoansFairValueNonCollection" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_ImpairedLoansMember" name="ImpairedLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ImpairedLoansUnderNonPerformingStatus" name="ImpairedLoansUnderNonPerformingStatus" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_ImpairmentOfInvestmentSecuritiesDisclosureAbstract" name="ImpairmentOfInvestmentSecuritiesDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ImpairmentOfInvestmentSecuritiesDisclosureTextBlock" name="ImpairmentOfInvestmentSecuritiesDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_ImpairmentOfInvestmentSecuritiesLineItems" name="ImpairmentOfInvestmentSecuritiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_ImpairmentOfInvestmentSecuritiesTable" name="ImpairmentOfInvestmentSecuritiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ImpairmentOnFhlbStock" name="ImpairmentOnFhlbStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_IncreaseDecreaseInNonperformingLoans" name="IncreaseDecreaseInNonperformingLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_IncreaseInCommitmentsRelatedToTroubledDebtRestructuredLoans" name="IncreaseInCommitmentsRelatedToTroubledDebtRestructuredLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_InvestmentSecuritiesLineItems" name="InvestmentSecuritiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_InvestmentSecuritiesTable" name="InvestmentSecuritiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_IraMarketRateForSavingsAccountMember" name="IraMarketRateForSavingsAccountMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_LoanToDifferentProjectAxis" name="LoanToDifferentProjectAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_LoanToDifferentProjectDomain" name="LoanToDifferentProjectDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_LoansHeldForSaleMember" name="LoansHeldForSaleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_LoansSoldNotSettled" name="LoansSoldNotSettled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_LoansToIndividualsMember" name="LoansToIndividualsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_LoansToIndividualsWithNoRelatedAllowanceMember" name="LoansToIndividualsWithNoRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_LoansToIndividualsWithRelatedAllowanceMember" name="LoansToIndividualsWithRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_LoansWithModificationsToRateAndPaymentDueToReamortization" name="LoansWithModificationsToRateAndPaymentDueToReamortization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_LossesRealizedOnAssetsMeasuredOnNonrecurringBasisTableTextBlock" name="LossesRealizedOnAssetsMeasuredOnNonrecurringBasisTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_MaturitiesAndImpairmentAbstract" name="MaturitiesAndImpairmentAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_MaximumPercentageOfStockToBePurchased" name="MaximumPercentageOfStockToBePurchased" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_MezzanineMember" name="MezzanineMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_MmCommIxMember" name="MmCommIxMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_MmcapIMember" name="MmcapIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_MortgageBackedSecuritiesCommercialMember" name="MortgageBackedSecuritiesCommercialMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_MortgageBackedSecuritiesResidentialMember" name="MortgageBackedSecuritiesResidentialMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_NetGainsAndImpairment" name="NetGainsAndImpairment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_NglPerGallonMember" name="NglPerGallonMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_NonAccrualLoansMember" name="NonAccrualLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_NonAccrualStatusOfLoansAfterNumberOfDaysPastDue" name="NonAccrualStatusOfLoansAfterNumberOfDaysPastDue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_NonCreditPortionOfOtherThanTemporaryImpairmentsOfDebtReclassificationRecognizedInOtherComprehensiveIncome" name="NonCreditPortionOfOtherThanTemporaryImpairmentsOfDebtReclassificationRecognizedInOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_NonCreditPortionOfOtherThanTemporaryImpairmentsOfDebtReclassificationRecognizedInOtherComprehensiveIncomePreTax" name="NonCreditPortionOfOtherThanTemporaryImpairmentsOfDebtReclassificationRecognizedInOtherComprehensiveIncomePreTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_NonCreditPortionOfOtherThanTemporaryImpairmentsOfDebtReclassificationRecognizedInOtherComprehensiveIncomeTax" name="NonCreditPortionOfOtherThanTemporaryImpairmentsOfDebtReclassificationRecognizedInOtherComprehensiveIncomeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_NonInterestIncomeInterchange" name="NonInterestIncomeInterchange" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_NonPassMember" name="NonPassMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_NonaccrualConsumerLoansMember" name="NonaccrualConsumerLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_NonaccrualLoansChargeOff" name="NonaccrualLoansChargeOff" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_NotionalAmountOfCommercialLettersOfCredit" name="NotionalAmountOfCommercialLettersOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fcf_NotionalAmountOfCommitmentsAndLettersOfCredit" name="NotionalAmountOfCommitmentsAndLettersOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fcf_NotionalAmountOfFinancialStandbyLettersOfCredit" name="NotionalAmountOfFinancialStandbyLettersOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fcf_NotionalAmountOfPerformanceStandbyLettersOfCredit" name="NotionalAmountOfPerformanceStandbyLettersOfCredit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fcf_NotionalAmountOfRiskParticipationAgreement" name="NotionalAmountOfRiskParticipationAgreement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="fcf_NumberOfAccountHoldersOfSpecifiedAverageAge" name="NumberOfAccountHoldersOfSpecifiedAverageAge" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_NumberOfBanksAndOtherFinancialInstitutionsComprisingSecurity" name="NumberOfBanksAndOtherFinancialInstitutionsComprisingSecurity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="fcf_NumberOfCustomerAffected" name="NumberOfCustomerAffected" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="fcf_NumberOfPooledSecuritiesRepresentingSeniorTranches" name="NumberOfPooledSecuritiesRepresentingSeniorTranches" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_NumberOfPooledSecuritiesWithNoSeniorClass" name="NumberOfPooledSecuritiesWithNoSeniorClass" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_NumberOfSecuritiesWithExcessSubordination" name="NumberOfSecuritiesWithExcessSubordination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="fcf_NumberOfSecuritiesWithNoExcessSubordination" name="NumberOfSecuritiesWithNoExcessSubordination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_ObligationsOfStatesAndPoliticalSubdivisionsMember" name="ObligationsOfStatesAndPoliticalSubdivisionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_OffBalanceSheetReserveToNonperformingLoans" name="OffBalanceSheetReserveToNonperformingLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_OilPerBbldMember" name="OilPerBbldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_OptionModelMember" name="OptionModelMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_OtherAssetsEspeciallyMentionedMember" name="OtherAssetsEspeciallyMentionedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax" name="OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" name="OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_OtherGovernmentSponsoredEnterprisesMember" name="OtherGovernmentSponsoredEnterprisesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_OtherInvestmentsDisclosureAbstract" name="OtherInvestmentsDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_OtherInvestmentsDisclosureTextBlock" name="OtherInvestmentsDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_OtherMattersMember" name="OtherMattersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_OtherRealEstateOwnedAssetsFairValue" name="OtherRealEstateOwnedAssetsFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_OtherRealEstateOwnedMember" name="OtherRealEstateOwnedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_OtherThanTemporaryImpairment" name="OtherThanTemporaryImpairment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_PaymentsForDiscountOnDividendReinvestmentPlanPurchases" name="PaymentsForDiscountOnDividendReinvestmentPlanPurchases" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_PercentOfUnrealizedLosses" name="PercentOfUnrealizedLosses" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="fcf_PercentageOfInterestRateOnDeposits" name="PercentageOfInterestRateOnDeposits" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_PercentageOfPrincipalAmountInPooledSecuritySecurities" name="PercentageOfPrincipalAmountInPooledSecuritySecurities" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="fcf_PooledTrustPreferredCollateralizedDebtObligationsInNumberOfBanks" name="PooledTrustPreferredCollateralizedDebtObligationsInNumberOfBanks" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PooledTrustPreferredCollateralizedDebtObligationsMember" name="PooledTrustPreferredCollateralizedDebtObligationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_PooledTrustPreferredCollateralizedDebtObligationsTableTextBlock" name="PooledTrustPreferredCollateralizedDebtObligationsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PooledTrustPreferredSecuritiesMember" name="PooledTrustPreferredSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslIMember" name="PreTslIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslIvMember" name="PreTslIvMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslIxMember" name="PreTslIxMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslVMember" name="PreTslVMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslViiMember" name="PreTslViiMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslViiiMember" name="PreTslViiiMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslXMember" name="PreTslXMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslXiiMember" name="PreTslXiiMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslXiiiMember" name="PreTslXiiiMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreTslXivMember" name="PreTslXivMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PreferredCollateralizedDebtObligationsMember" name="PreferredCollateralizedDebtObligationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_PrepaymentRatesMember" name="PrepaymentRatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_PrincipalPaymentOfNonaccrualLoans" name="PrincipalPaymentOfNonaccrualLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_ProbabilitiesForPerformingCollateralRange" name="ProbabilitiesForPerformingCollateralRange" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ProbabilityOfDefault" name="ProbabilityOfDefault" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_ProbabilityOfDefaultMember" name="ProbabilityOfDefaultMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ProbabilityPercentageAssignedToDefaultBank" name="ProbabilityPercentageAssignedToDefaultBank" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ProbabilityPercentageAssignedToDefaultBankSubjectToMarketIndicators" name="ProbabilityPercentageAssignedToDefaultBankSubjectToMarketIndicators" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ProjectedRecoveryRate" name="ProjectedRecoveryRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ProvisionForLoanLeaseIncomeLoss" name="ProvisionForLoanLeaseIncomeLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_RealEstateConstructionMember" name="RealEstateConstructionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_RealEstateConstructionWithNoRelatedAllowanceMember" name="RealEstateConstructionWithNoRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_RealEstateConstructionWithRelatedAllowanceMember" name="RealEstateConstructionWithRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_RealEstateDeveloperInEasternPennsylvaniaMember" name="RealEstateDeveloperInEasternPennsylvaniaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" name="ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_RedeemableCapitalSecuritiesMember" name="RedeemableCapitalSecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_RedemptionPremiumPercentage" name="RedemptionPremiumPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="fcf_ReserveForOffBalanceSheetActivities" name="ReserveForOffBalanceSheetActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_ReserveStudyMember" name="ReserveStudyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_ResidentialRealEstateWithNoRelatedAllowanceMember" name="ResidentialRealEstateWithNoRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_ResidentialRealEstateWithRelatedAllowanceMember" name="ResidentialRealEstateWithRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_RestrictedStock" name="RestrictedStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ScheduleOfCommitmentsTableTextBlock" name="ScheduleOfCommitmentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ScheduleOfMaximumPotentialExposureTableTextBlock" name="ScheduleOfMaximumPotentialExposureTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_ScheduleOfRecordedInvestmentAndUnpaidPrincipalBalanceForImpairedLoansWithAssociatedAllowanceTableTextBlock" name="ScheduleOfRecordedInvestmentAndUnpaidPrincipalBalanceForImpairedLoansWithAssociatedAllowanceTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_SharesTax" name="SharesTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_SpecifiedAverageAgeOfAccountHolders" name="SpecifiedAverageAgeOfAccountHolders" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_StockOptionTaxBenefit" name="StockOptionTaxBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_SubordinatedTranchesRange" name="SubordinatedTranchesRange" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_SupplementalComprehensiveIncomeDisclosuresAbstract" name="SupplementalComprehensiveIncomeDisclosuresAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_SwapRatesTermUsedToDetermineYieldCurve" name="SwapRatesTermUsedToDetermineYieldCurve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="instant" />
  <xsd:element id="fcf_TransferOfLoans" name="TransferOfLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_TransferOfOtherRealEstateOwned" name="TransferOfOtherRealEstateOwned" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_TroubledDebtRestructuredLoansDecreased" name="TroubledDebtRestructuredLoansDecreased" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="fcf_TroubledDebtRestructuringLoans" name="TroubledDebtRestructuringLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="fcf_TroubledDebtRestructuringNumberOfContractsNinetyDaysPastDue" name="TroubledDebtRestructuringNumberOfContractsNinetyDaysPastDue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_TroubledDebtRestructuringRecordedInvestmentNinetyDaysPastDue" name="TroubledDebtRestructuringRecordedInvestmentNinetyDaysPastDue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="fcf_TroubledDebtRestructuringsOnFinancingReceivablesIdentifiedDuringPeriodTableTextBlock" name="TroubledDebtRestructuringsOnFinancingReceivablesIdentifiedDuringPeriodTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_TrustPreferredCollateralizedDebtObligationsMember" name="TrustPreferredCollateralizedDebtObligationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_TwoCommercialRealEstateLoansMember" name="TwoCommercialRealEstateLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_UnfundedCommitmentsRelatedToNonperformingLoans" name="UnfundedCommitmentsRelatedToNonperformingLoans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_UnusedCommitmentsAndLettersOfCreditMember" name="UnusedCommitmentsAndLettersOfCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_UpdatedAppraisalRequirementFloor" name="UpdatedAppraisalRequirementFloor" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="fcf_VariableInterestEntitiesAbstract" name="VariableInterestEntitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_WeightedAverageNumberOfAdditionalShares" name="WeightedAverageNumberOfAdditionalShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_WeightedAverageNumberOfAdditionalSharesNonVested" name="WeightedAverageNumberOfAdditionalSharesNonVested" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="fcf_WeightedAverageNumberOfSharesIssuedBasicAndDiluted" name="WeightedAverageNumberOfSharesIssuedBasicAndDiluted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_WesternPennsylvaniaMember" name="WesternPennsylvaniaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_WesternPennsylvaniaNonProfitCorporationMember" name="WesternPennsylvaniaNonProfitCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_WesternPennsylvaniaNonProfitHealthcareFacilityMember" name="WesternPennsylvaniaNonProfitHealthcareFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_WesternPennsylvaniaRealEstateDeveloperMember" name="WesternPennsylvaniaRealEstateDeveloperMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_WesternPennsylvaniaStudentHousingProjectMember" name="WesternPennsylvaniaStudentHousingProjectMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_WithNoRelatedAllowanceMember" name="WithNoRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="fcf_WithRelatedAllowanceMember" name="WithRelatedAllowanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
</XBRL>