    <SEC-DOCUMENT>0001193125-16-535698-index.html : 20160408
    <SEC-HEADER>0001193125-16-535698.hdr.sgml : 20160408
    <ACCEPTANCE-DATETIME>20160408171634
    ACCESSION NUMBER:		0001193125-16-535698
    CONFORMED SUBMISSION TYPE:	PREC14A
    PUBLIC DOCUMENT COUNT:		11
    FILED AS OF DATE:		20160408
    DATE AS OF CHANGE:		20160408

    SUBJECT COMPANY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FINANCIAL INSTITUTIONS INC
    		CENTRAL INDEX KEY:			0000862831
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		IRS NUMBER:				160816610
    		STATE OF INCORPORATION:			NY
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PREC14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-26481
    		FILM NUMBER:		161563425

    	BUSINESS ADDRESS:
    		STREET 1:		220 LIBERTY STREET
    		CITY:			WARSAW
    		STATE:			NY
    		ZIP:			14569
    		BUSINESS PHONE:		5857861100

    	MAIL ADDRESS:
    		STREET 1:		220 LIBERTY STREET
    		CITY:			WARSAW
    		STATE:			NY
    		ZIP:			14569

    FILED BY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FINANCIAL INSTITUTIONS INC
    		CENTRAL INDEX KEY:			0000862831
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		IRS NUMBER:				160816610
    		STATE OF INCORPORATION:			NY
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PREC14A

    	BUSINESS ADDRESS:
    		STREET 1:		220 LIBERTY STREET
    		CITY:			WARSAW
    		STATE:			NY
    		ZIP:			14569
    		BUSINESS PHONE:		5857861100

    	MAIL ADDRESS:
    		STREET 1:		220 LIBERTY STREET
    		CITY:			WARSAW
    		STATE:			NY
    		ZIP:			14569
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>PREC14A
    <SEQUENCE>1
    <FILENAME>d131779dprec14a.htm
    <DESCRIPTION>PREC14A
    <TEXT>
    Document 1 - file: d131779dprec14a.htm

    </DOCUMENT>
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    <TYPE>GRAPHIC
    <SEQUENCE>2
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g131779g09o22.jpg

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    <SEQUENCE>3
    <FILENAME>g131779g16c97.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g131779g16c97.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g131779g24i05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g131779g24i05.jpg

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    <SEQUENCE>5
    <FILENAME>g131779g26p77.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g131779g26p77.jpg

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    <SEQUENCE>6
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g131779g32s84.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g131779g33h63.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g131779g33h63.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g131779g61u10.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g131779g61u10.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g131779g63x23.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g131779g63x23.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g131779g94r64.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g131779g94r64.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g131779g96t78.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g131779g96t78.jpg

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