UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    Form 13F

                               Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: December 31, 2009

Check here if Amendment [_]: Amendment Number:

This Amendment (Check only one): [_] is a restatement

                 [_] adds new holdings entries

Institutional Investment Manager Filing this Report:

Name:      First Commonwealth Financial Corporation
Address:   22 North Sixth Street
           Indiana, PA, 15701

Form 13F File Number:28-05151

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and it is understood that all required items, statements, schedules,
lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:    Teresa M. Ciambotti
Title:   Senior Vice President and Controller, Principal Financial Officer
Phone:   (724) 463-4725

Signature, Place, and Date of Signing:

/s/ Teresa M. Ciambotti
Teresa M. Ciambotti,        Indiana, PA,         February 16, 2010

Report Type (check only one):

     [x]  13F HOLDINGS REPORT (Check here if all holdings of this reporting
          manager are reported in this report

     [_]  13F NOTICE (Check here if no holdings reported are in this report, and
          all holdings are reported by other reporting manager(s))

     [_]  13F COMBINATION REPORT (Check here if a portion of the holdings for
          this reporting manager are reported in this report and a portion are
          reported by other reporting manager(s).)




                              Form 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers: 1

Form 13F Information Table Entry Total: 197

Form 13F Information Table Value Total: $89,798 (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.

Number: 1

Form 13F File Number: 28-11893

Name:




                           FORM 13F INFORMATION TABLE



COLUMN  1                     COL 2  COL 3     COL 4    COLUMN 5           COL 6      COL 7    COLUMN 8
                              TITLE            MARKET                                          VOTING
                              OF               VALUE    SHS OR    SH/ PUT/ INVESTMENT OTHER    AUTHORITY
ISSUER                        CLASS  CUSIP     (X$1000) PRN AMT   PRN CALL DISCRETION MANAGERS SOLE    SHARED NONE
                                                                             
1DISNEY WALT CO               COMMON 254687106     469     14,556 SH       DEFINED        1     11,856        2,700
1MICROSOFT CORP               COMMON 594918104     232      7,598 SH       OTHER          1      7,408          190
1US BANCORP DEL               COMMON 902973304     395     17,551 SH       DEFINED        1     17,551
3M CO                         COMMON 88579Y101     245      2,960 SH       DEFINED        1      1,970          990
3M CO                         COMMON 88579Y101     714      8,635 SH       OTHER          1      8,635
ABBOTT LABS                   COMMON 002824100     982     18,188 SH       DEFINED        1     17,394          794
ABBOTT LABS                   COMMON 002824100      63      1,167 SH       OTHER          1      1,167
ADOBE SYS INC                 COMMON 00724F101     738     20,071 SH       DEFINED        1     20,071
ADOBE SYS INC                 COMMON 00724F101      24        642 SH       OTHER          1        642
AIR PRODS & CHEMS INC         COMMON 009158106     680      8,386 SH       DEFINED        1      8,386
AIR PRODS & CHEMS INC         COMMON 009158106      40        496 SH       OTHER          1        496
ALLSTATE CORP                 COMMON 020002101      76      2,534 SH       DEFINED        1      2,534
ALLSTATE CORP                 COMMON 020002101     196      6,529 SH       OTHER          1      6,529
ALTRIA GROUP INC              COMMON 02209S103      36      1,850 SH       DEFINED        1      1,738          112
ALTRIA GROUP INC              COMMON 02209S103     621     31,640 SH       OTHER          1     31,640
APACHE CORP                   COMMON 037411105     845      8,187 SH       DEFINED        1      8,187
APACHE CORP                   COMMON 037411105     106      1,027 SH       OTHER          1        463    564
APPLE INC                     COMMON 037833100   1,183      5,616 SH       DEFINED        1      5,616
APPLE INC                     COMMON 037833100      39        185 SH       OTHER          1        185
AQUA AMERICA INC              COMMON 03836W103     341     19,452 SH       DEFINED        1     19,452
AQUA AMERICA INC              COMMON 03836W103       9        540 SH       OTHER          1        540
AT&T INC                      COMMON 00206R102   1,587     56,629 SH       DEFINED        1     52,929        3,700
AT&T INC                      COMMON 00206R102     264      9,424 SH       OTHER          1      9,119    300     5
AUTODESK INC                  COMMON 052769106     470     18,501 SH       DEFINED        1     18,501
AUTODESK INC                  COMMON 052769106      23        895 SH       OTHER          1        895
BANK OF AMERICA CORPORATION   COMMON 060505104     112      7,430 SH       DEFINED        1      1,174        6,256
BANK OF AMERICA CORPORATION   COMMON 060505104     145      9,611 SH       OTHER          1      9,611
BANK OF NEW YORK MELLON CORP  COMMON 064058100     324     11,576 SH       DEFINED        1      9,066        2,510
BANK OF NEW YORK MELLON CORP  COMMON 064058100     101      3,612 SH       OTHER          1      1,372    490 1,750
BECTON DICKINSON & CO         COMMON 075887109     932     11,818 SH       DEFINED        1     11,400          418
BECTON DICKINSON & CO         COMMON 075887109      78        993 SH       OTHER          1        993
BERKSHIRE SECURITIES          COMMON 084991868   1,288      5,600 SH       DEFINED        1      5,600
BERKSHIRE SECURITIES          COMMON 084991868     414      1,800 SH       OTHER          1      1,800
BOEING CO                     COMMON 097023105      28        524 SH       DEFINED        1        524
BOEING CO                     COMMON 097023105     197      3,636 SH       OTHER          1      3,636
BP PLC                        COMMON 055622104     779     13,433 SH       DEFINED        1     13,361           72
BP PLC                        COMMON 055622104     426      7,352 SH       OTHER          1      6,350  1,002
BUNGE LIMITED                 COMMON G16962105     189      2,965 SH       DEFINED        1      2,965
BUNGE LIMITED                 COMMON G16962105      14        225 SH       OTHER          1        225
BURLINGTON NORTHN SANTA FE C  COMMON 12189T104     224      2,270 SH       DEFINED        1      2,270
CATERPILLAR INC DEL           COMMON 149123101     718     12,604 SH       DEFINED        1     12,604
CATERPILLAR INC DEL           COMMON 149123101     160      2,800 SH       OTHER          1      2,800
CHEVRON CORP NEW              COMMON 166764100   1,254     16,291 SH       DEFINED        1     13,918        2,373
CHEVRON CORP NEW              COMMON 166764100     505      6,562 SH       OTHER          1      6,212          350
CISCO SYS INC                 COMMON 17275R102     950     39,690 SH       DEFINED        1     35,140        4,550
CISCO SYS INC                 COMMON 17275R102     219      9,158 SH       OTHER          1      9,008    150
CITIGROUP INC                 COMMON 172967101       8      2,312 SH       DEFINED        1      2,312
CITIGROUP INC                 COMMON 172967101     202     61,078 SH       OTHER          1     60,964    114
CNB FINL CORP PA              COMMON 126128107     646     40,400 SH       DEFINED        1     40,400
CONOCOPHILLIPS                COMMON 20825C104     675     13,209 SH       DEFINED        1     11,194        2,015
CONOCOPHILLIPS                COMMON 20825C104     122      2,380 SH       OTHER          1      2,300     80
CVS CAREMARK CORPORATION      COMMON 126650100     665     20,638 SH       DEFINED        1     20,638
CVS CAREMARK CORPORATION      COMMON 126650100      37      1,136 SH       OTHER          1      1,136
DISNEY WALT CO                COMMON 254687106      31        970 SH       OTHER          1        970
DOMINION RES INC VA NEW       COMMON 25746U109     773     19,852 SH       DEFINED        1     18,937          915
DOMINION RES INC VA NEW       COMMON 25746U109     132      3,404 SH       OTHER          1      3,404
DU PONT E I DE NEMOURS & CO   COMMON 263534109     226      6,704 SH       DEFINED        1      6,704
DU PONT E I DE NEMOURS & CO   COMMON 263534109      49      1,442 SH       OTHER          1      1,142    300
EMBRYO DEV CORP               COMMON 290818103      --     15,000 SH       DEFINED        1     15,000
EMERSON ELEC CO               COMMON 291011104      42        980 SH       DEFINED        1         40          940
EMERSON ELEC CO               COMMON 291011104     708     16,610 SH       OTHER          1     16,610
ENTERPRISE PRODS PARTNERS L   COMMON 293792107      32      1,034 SH       DEFINED        1      1,034
ENTERPRISE PRODS PARTNERS L   COMMON 293792107     184      5,860 SH       OTHER          1      5,860
EOG RES INC                   COMMON 26875P101     423      4,343 SH       DEFINED        1      4,343
EOG RES INC                   COMMON 26875P101       4         40 SH       OTHER          1         40
ESB FINANCIAL CORP            COMMON 26884F102     165     12,510 SH       DEFINED              12,510     --    --
EXXON MOBIL CORP              COMMON 30231G102   2,809     41,190 SH       DEFINED        1     41,190
EXXON MOBIL CORP              COMMON 30231G102   1,890     27,717 SH       OTHER          1     10,780 16,937
FEDEX CORP                    COMMON 31428X106     524      6,284 SH       DEFINED        1      5,694          590
FEDEX CORP                    COMMON 31428X106      21        250 SH       OTHER          1        250
FIRST COMWLTH FINL CORP PA    COMMON 319829107   4,303    925,311 SH       DEFINED        1    921,845  3,466
FIRST COMWLTH FINL CORP PA    COMMON 319829107      90     19,354 SH       OTHER          1      9,525  9,829
FIRSTMERIT CORP               COMMON 337915102     204     10,145 SH       DEFINED              10,145     --    --
FNB CORP PA                   COMMON 302520101      69     10,224 SH       DEFINED        1     10,224
FNB CORP PA                   COMMON 302520101      --         43 SH       OTHER          1         43
GATEWAY BANK OF PENNSYLVANIA  COMMON 869099101      46      5,000 SH       DEFINED               5,000     --    --
GENERAL ELECTRIC CO           COMMON 369604103     936     61,840 SH       DEFINED        1     57,030        4,810
GENERAL ELECTRIC CO           COMMON 369604103   1,851    122,338 SH       OTHER          1    120,268  1,730   340







COLUMN  1                     COL 2  COL 3     COL 4    COLUMN 5           COL 6      COL 7    COLUMN 8
                              TITLE            MARKET                                          VOTING
                              OF               VALUE    SHS OR    SH/ PUT/ INVESTMENT OTHER    AUTHORITY
ISSUER                        CLASS  CUSIP     (X$1000) PRN AMT   PRN CALL DISCRETION MANAGERS SOLE    SHARED NONE
                                                                             
GENERAL MLS INC               COMMON 370334104     864     12,201 SH       DEFINED        1     12,201
GENERAL MLS INC               COMMON 370334104      47        665 SH       OTHER          1        665
GENUINE PARTS CO              COMMON 372460105     686     18,068 SH       DEFINED        1     18,068
GENUINE PARTS CO              COMMON 372460105      14        360 SH       OTHER          1        360
GENZYME CORP                  COMMON 372917104     388      7,921 SH       DEFINED        1      7,921
GENZYME CORP                  COMMON 372917104      46        935 SH       OTHER          1        935
GOLDMAN SACHS GROUP INC       COMMON 38141G104     663      3,926 SH       DEFINED        1      3,912           14
GOLDMAN SACHS GROUP INC       COMMON 38141G104      25        150 SH       OTHER          1        150
GOODRICH CORP                 COMMON 382388106     303      4,710 SH       DEFINED        1      4,656           54
GOODRICH CORP                 COMMON 382388106      12        180 SH       OTHER          1        180
GOOGLE INC                    COMMON 38259P508   1,038      1,675 SH       DEFINED        1      1,469          206
GOOGLE INC                    COMMON 38259P508      19         30 SH       OTHER          1         30
HARLEYSVILLE NATIONAL CORP    COMMON 412850109     305     47,349 SH       DEFINED              47,349     --    --
HEINZ H J CO                  COMMON 423074103     497     11,618 SH       DEFINED        1     11,516          102
HEINZ H J CO                  COMMON 423074103      35        825 SH       OTHER          1        825
INGERSOLL-RAND PLC            COMMON G47791101      13        350 SH       DEFINED        1        350
INGERSOLL-RAND PLC            COMMON G47791101     214      6,000 SH       OTHER          1      6,000
INTEL CORP                    COMMON 458140100     498     24,414 SH       DEFINED        1     18,874        5,540
INTEL CORP                    COMMON 458140100     129      6,300 SH       OTHER          1      6,150          150
INTERNATIONAL BUSINESS MACHS  COMMON 459200101   1,641     12,538 SH       DEFINED        1     12,263          275
INTERNATIONAL BUSINESS MACHS  COMMON 459200101   1,868     14,270 SH       OTHER          1     14,170    100
JACOBS ENGR GROUP INC DEL     COMMON 469814107     632     16,812 SH       DEFINED        1     16,812
JACOBS ENGR GROUP INC DEL     COMMON 469814107      36        950 SH       OTHER          1        950
JOHNSON & JOHNSON             COMMON 478160104   1,227     19,045 SH       DEFINED        1     18,332          713
JOHNSON & JOHNSON             COMMON 478160104     579      8,992 SH       OTHER          1      8,932     60
JPMORGAN CHASE & CO           COMMON 46625H100     995     23,872 SH       DEFINED        1     21,992        1,880
JPMORGAN CHASE & CO           COMMON 46625H100     195      4,670 SH       OTHER          1      4,670
KRAFT FOODS INC               COMMON 50075N104       4        139 SH       DEFINED        1        139
KRAFT FOODS INC               COMMON 50075N104     595     21,876 SH       OTHER          1     21,876
L-3 COMMUNICATIONS HLDGS INC  COMMON 502424104     641      7,367 SH       DEFINED        1      7,080          287
L-3 COMMUNICATIONS HLDGS INC  COMMON 502424104      37        420 SH       OTHER          1        420
LOWES COS INC                 COMMON 548661107     173      7,397 SH       DEFINED        1      7,397
LOWES COS INC                 COMMON 548661107      88      3,743 SH       OTHER          1      2,933    810
MCDONALDS CORP                COMMON 580135101   1,051     16,827 SH       DEFINED        1     16,066          761
MCDONALDS CORP                COMMON 580135101      69      1,100 SH       OTHER          1      1,100
MERCK & CO INC NEW            COMMON 58933Y105      87      2,389 SH       DEFINED        1      2,360           29
MERCK & CO INC NEW            COMMON 58933Y105     866     23,710 SH       OTHER          1     23,210          500
METLIFE INC                   COMMON 59156R108     511     14,469 SH       DEFINED        1     14,469
METLIFE INC                   COMMON 59156R108       6        165 SH       OTHER          1        165
MICROSOFT CORP                COMMON 594918104   1,190     39,050 SH       DEFINED        1     34,618        4,432
MOLSON COORS BREWING CO       COMMON 60871R209     164      3,633 SH       DEFINED        1      3,633
MOLSON COORS BREWING CO       COMMON 60871R209      38        850 SH       OTHER          1        600    250
MONSANTO CO NEW               COMMON 61166W101     683      8,358 SH       DEFINED        1      7,632          726
MONSANTO CO NEW               COMMON 61166W101      22        266 SH       OTHER          1        266
NEW MEXICO BANQUEST           COMMON 647991926   1,859      7,207 SH       DEFINED        1      7,207
NEW MEXICO BANQUEST           COMMON 647991926      49        189 SH       OTHER          1        189
ORACLE CORP                   COMMON 68389X105     960     39,123 SH       DEFINED        1     39,123
ORACLE CORP                   COMMON 68389X105      84      3,438 SH       OTHER          1      3,278    160
PARKER HANNIFIN CORP          COMMON 701094104     594     11,024 SH       DEFINED        1     11,024
PARKER HANNIFIN CORP          COMMON 701094104      36        670 SH       OTHER          1        670
PARKVALE FINANCIAL CORP       COMMON 701492100     773    111,263 SH       DEFINED             111,263     --    --
PEPSICO INC                   COMMON 713448108   1,117     18,373 SH       DEFINED        1     17,756          617
PEPSICO INC                   COMMON 713448108   1,150     18,922 SH       OTHER          1     18,922
PETSMART INC                  COMMON 716768106     842     31,549 SH       DEFINED        1     29,449        2,100
PETSMART INC                  COMMON 716768106      25        940 SH       OTHER          1        940
PFIZER INC                    COMMON 717081103     136      7,484 SH       DEFINED        1      7,484
PFIZER INC                    COMMON 717081103     386     21,221 SH       OTHER          1     21,021          200
PHILIP MORRIS INTL INC        COMMON 718172109     938     19,467 SH       DEFINED        1     17,694        1,773
PHILIP MORRIS INTL INC        COMMON 718172109   1,381     28,665 SH       OTHER          1     28,665
PNC FINL SVCS GROUP INC       COMMON 693475105     238      4,507 SH       DEFINED        1      4,507
PNC FINL SVCS GROUP INC       COMMON 693475105     227      4,300 SH       OTHER          1      4,300
PPG INDS INC                  COMMON 693506107     182      3,104 SH       DEFINED        1      3,104
PPG INDS INC                  COMMON 693506107   1,033     17,654 SH       OTHER          1     15,154  2,500
PRECISION CASTPARTS CORP      COMMON 740189105     748      6,779 SH       DEFINED        1      6,779
PRECISION CASTPARTS CORP      COMMON 740189105      30        270 SH       OTHER          1        270
PRICE T ROWE GROUP INC        COMMON 74144T108     859     16,126 SH       DEFINED        1     15,488          638
PRICE T ROWE GROUP INC        COMMON 74144T108      76      1,430 SH       OTHER          1      1,430
PROCTER & GAMBLE CO           COMMON 742718109   1,125     18,552 SH       DEFINED        1     17,833          719
PROCTER & GAMBLE CO           COMMON 742718109   2,366     39,031 SH       OTHER          1     39,031
PUBLIC SVC ENTERPRISE GROUP   COMMON 744573106     106      3,187 SH       DEFINED        1        287        2,900
PUBLIC SVC ENTERPRISE GROUP   COMMON 744573106     281      8,460 SH       OTHER          1      8,460
QUALCOMM INC                  COMMON 747525103     436      9,432 SH       DEFINED        1      9,432
QUALCOMM INC                  COMMON 747525103      12        262 SH       OTHER          1        262
ROCKWELL AUTOMATION INC       COMMON 773903109     205      4,368 SH       DEFINED        1      4,368
ROCKWELL AUTOMATION INC       COMMON 773903109      64      1,370 SH       OTHER          1      1,370
ROCKWELL COLLINS INC          COMMON 774341101     214      3,869 SH       DEFINED        1      3,869
ROCKWELL COLLINS INC          COMMON 774341101      87      1,580 SH       OTHER          1      1,580
ROYAL DUTCH SHELL PLC         COMMON 780259206      43        714 SH       DEFINED        1        714
ROYAL DUTCH SHELL PLC         COMMON 780259206     282      4,690 SH       OTHER          1      4,600     90
S & T BANCORP INC             COMMON 783859101     764     44,932 SH       DEFINED        1     44,932
S & T BANCORP INC             COMMON 783859101      25      1,464 SH       OTHER          1      1,464
SCHLUMBERGER LTD              COMMON 806857108     142      2,175 SH       DEFINED        1      2,175
SCHLUMBERGER LTD              COMMON 806857108     206      3,168 SH       OTHER          1      3,168
ST JUDE MED INC               COMMON 790849103     413     11,238 SH       DEFINED        1     11,238
ST JUDE MED INC               COMMON 790849103       6        150 SH       OTHER          1        150
STATE STR CORP                COMMON 857477103     533     12,253 SH       DEFINED        1     12,253
STATE STR CORP                COMMON 857477103      21        474 SH       OTHER          1        394     80
SUSQUEHANNA BANCSHARES INC    COMMON 869099101     409     69,487 SH       DEFINED              69,487     --    --







COLUMN  1                     COL 2  COL 3     COL 4    COLUMN 5           COL 6      COL 7    COLUMN 8
                              TITLE            MARKET                                          VOTING
                              OF               VALUE    SHS OR    SH/ PUT/ INVESTMENT OTHER    AUTHORITY
ISSUER                        CLASS  CUSIP     (X$1000) PRN AMT   PRN CALL DISCRETION MANAGERS SOLE    SHARED NONE
                                                                             
SUSQUEHANNA BANCSHARES INC P  COMMON 869099101     308     52,242 SH       DEFINED        1     52,242
TARGET CORP                   COMMON 87612E106     683     14,121 SH       DEFINED        1     14,121
TARGET CORP                   COMMON 87612E106     218      4,500 SH       OTHER          1      4,500
TEVA PHARMACEUTICAL INDS LTD  COMMON 881624209     728     12,967 SH       DEFINED        1     12,911           56
TEVA PHARMACEUTICAL INDS LTD  COMMON 881624209      41        738 SH       OTHER          1        538    200
TEXAS INSTRS INC              COMMON 882508104     428     16,426 SH       DEFINED        1     14,316        2,110
TEXAS INSTRS INC              COMMON 882508104      64      2,467 SH       OTHER          1      2,467
THERMO FISHER SCIENTIFIC INC  COMMON 883556102     727     15,250 SH       DEFINED        1     15,250
THERMO FISHER SCIENTIFIC INC  COMMON 883556102      31        645 SH       OTHER          1        645
TIME WARNER CABLE INC         COMMON 88732J207     706     17,062 SH       DEFINED        1     17,062
TIME WARNER CABLE INC         COMMON 88732J207      16        375 SH       OTHER          1        375
TRANSOCEAN LTD                COMMON H8817H100     544      6,574 SH       DEFINED        1      5,366        1,208
TRANSOCEAN LTD                COMMON H8817H100      16        195 SH       OTHER          1        195
TRISTATE CAPITAL BANK         COMMON 99R733108     600     50,000 SH       DEFINED              50,000     --    --
UNITED TECHNOLOGIES CORP      COMMON 913017109     174      2,512 SH       DEFINED        1      2,046          466
UNITED TECHNOLOGIES CORP      COMMON 913017109      30        433 SH       OTHER          1        433
US BANCORP DEL                COMMON 902973304      18        812 SH       OTHER          1        812
VERIZON COMMUNICATIONS INC    COMMON 92343V104   1,387     41,872 SH       DEFINED        1     41,744          128
VERIZON COMMUNICATIONS INC    COMMON 92343V104     803     24,230 SH       OTHER          1     20,386  3,844
VISA INC                      COMMON 92826C839     669      7,645 SH       DEFINED        1      7,645
VISA INC                      COMMON 92826C839      24        270 SH       OTHER          1        270
VIST FINANCIAL CORP           COMMON 524477106     499     95,005 SH       DEFINED              95,005     --    --
VIST FINANCIAL CORP           COMMON 918255100      56     10,655 SH       DEFINED        1     10,655
WAL MART STORES INC           COMMON 931142103     762     14,265 SH       DEFINED        1     12,025        2,240
WAL MART STORES INC           COMMON 931142103      51        960 SH       OTHER          1        890           70
WELLS FARGO & CO NEW          COMMON 949746101     753     27,917 SH       DEFINED        1     27,917
WELLS FARGO & CO NEW          COMMON 949746101     219      8,131 SH       OTHER          1      8,131
XCEL ENERGY INC               COMMON 98389B100     619     29,186 SH       DEFINED        1     29,186
XCEL ENERGY INC               COMMON 98389B100      39      1,850 SH       OTHER          1      1,850
ZIMMER HLDGS INC              COMMON 98956P102     600     10,157 SH       DEFINED        1      9,067        1,090
ZIMMER HLDGS INC              COMMON 98956P102      26        435 SH       OTHER          1        305          130

GRAND TOTALS                                    89,798  3,377,850