<SEC-DOCUMENT>0001209191-17-050374-index.html : 20170828
<SEC-HEADER>0001209191-17-050374.hdr.sgml : 20170828
<ACCEPTANCE-DATETIME>20170828152500
ACCESSION NUMBER:		0001209191-17-050374
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170823
FILED AS OF DATE:		20170828
DATE AS OF CHANGE:		20170828

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WILLETT SEAN M
		CENTRAL INDEX KEY:			0001715369

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26481
		FILM NUMBER:		171054495

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

	FORMER NAME:	
		FORMER CONFORMED NAME:	WILLET SEAN M
		DATE OF NAME CHANGE:	20170823

ISSUER:		

	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

	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>3/A
<SEQUENCE>1
<FILENAME>doc3a.xml
<DESCRIPTION>FORM 3/A SUBMISSION
<TEXT>
Document 1 - file: doc3a.html

Document 1 - RAW XML: doc3a.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.3A_741799
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
Document 2 - file: poa.txt

</DOCUMENT>
</SEC-DOCUMENT>