<TABLE> <S> <C>

<ARTICLE> 9
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE MAHONING
NATIONAL BANCORP, INC., CONSOLIDATED STATEMENT OF CONDITION AT SEPTEMBER 30,
1997 AND THE CONSOLIDATED STATEMENT OF INCOME FOR THE NINE MONTHS ENDED
SEPTEMBER 30, 1997 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          27,533
<INT-BEARING-DEPOSITS>                               2
<FED-FUNDS-SOLD>                                     0
<TRADING-ASSETS>                                     0
<INVESTMENTS-HELD-FOR-SALE>                    175,030
<INVESTMENTS-CARRYING>                          61,548
<INVESTMENTS-MARKET>                            61,609
<LOANS>                                        494,581
<ALLOWANCE>                                      7,679
<TOTAL-ASSETS>                                 774,139
<DEPOSITS>                                     533,026
<SHORT-TERM>                                   148,208
<LIABILITIES-OTHER>                              5,157
<LONG-TERM>                                      3,384
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         6,300
<OTHER-SE>                                      78,064
<TOTAL-LIABILITIES-AND-EQUITY>                 774,139
<INTEREST-LOAN>                                 32,691
<INTEREST-INVEST>                               10,315
<INTEREST-OTHER>                                   331
<INTEREST-TOTAL>                                43,337
<INTEREST-DEPOSIT>                              12,691
<INTEREST-EXPENSE>                              17,786
<INTEREST-INCOME-NET>                           25,551
<LOAN-LOSSES>                                    2,250
<SECURITIES-GAINS>                                 178
<EXPENSE-OTHER>                                 15,191
<INCOME-PRETAX>                                 14,439
<INCOME-PRE-EXTRAORDINARY>                       9,740
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     9,740
<EPS-PRIMARY>                                     1.55
<EPS-DILUTED>                                     1.55
<YIELD-ACTUAL>                                    8.02
<LOANS-NON>                                      2,449
<LOANS-PAST>                                     1,236
<LOANS-TROUBLED>                                     0
<LOANS-PROBLEM>                                      0
<ALLOWANCE-OPEN>                                 8,112
<CHARGE-OFFS>                                    3,144
<RECOVERIES>                                       461
<ALLOWANCE-CLOSE>                                7,679
<ALLOWANCE-DOMESTIC>                             7,679
<ALLOWANCE-FOREIGN>                                  0
<ALLOWANCE-UNALLOCATED>                          1,172
        

</TABLE>