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

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: June 30, 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:    Allied Irish Banks, p.l.c.
Address: Office of the Secretary
         Block K Level 4  -  Bankcentre
         Ballsbridge, Dublin 4 Ireland

13F File Number:  28-05346

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 that 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:      David O'Callaghan
Title:     Assistant Secretary, Office of the Secretary
Phone:     00 353 1 6414672

Signature, Place, and Date of Signing:

     /s/ David O'Callaghan     Dublin, Ireland     August 11, 2009

Report Type (Check only one.):

[ X]         13F HOLDINGS REPORT.

[  ]         13F NOTICE.

[  ]         13F COMBINATION REPORT.



                              FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:         0

Form13F Information Table Entry Total:     197

Form13F Information Table Value Total:     $1,990,442 (thousands)

List of Other Included Managers:

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

NONE



                                    
                                                     FORM 13F INFORMATION TABLE
                                                             VALUE  SHARES/ SH/ PUT/ INVSTMT  OTHER            VOTING AUTHORITY
NAME OF ISSUER                 TITLE OF CLASS   CUSIP     (x$1000)  PRN AMT PRN CALL DSCRETN MANAGERS         SOLE   SHARED     NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
3M CO                          COM              88579Y101       13      211 SH       DEFINED                   211        0        0
ABBOTT LABS                    COM              002824100    13365   284016 SH       DEFINED                284016        0        0
ACTIVIDENTITY CORP             COM              00506P103        4     1745 SH       DEFINED                  1745        0        0
ADOBE SYS INC                  COM              00724F101       35     1245 SH       DEFINED                  1245        0        0
AETNA INC NEW                  COM              00817Y108       50     2000 SH       DEFINED                  2000        0        0
ALCATEL-LUCENT                 SPONSORED ADR    013904305        1       14 SH       DEFINED                    14        0        0
ALCOA INC                      COM              013817101       10     1000 SH       DEFINED                  1000        0        0
ALLERGAN INC                   COM              018490102        5       97 SH       DEFINED                    97        0        0
ALTRIA GROUP INC               COM              02209S103       25     1480 SH       DEFINED                  1480        0        0
AMAZON COM INC                 COM              023135106      134     1605 SH       DEFINED                  1605        0        0
AMERICAN EXPRESS CO            COM              025816109       42     1817 SH       DEFINED                  1817        0        0
AMERICAN INTL GROUP INC        COM              026874107       39     1756 SH       DEFINED                  1756        0        0
AMGEN INC                      COM              031162100      133     2511 SH       DEFINED                  2511        0        0
ANALOG DEVICES INC             COM              032654105        2       95 SH       DEFINED                    95        0        0
AON CORP                       COM              037389103       38      999 SH       DEFINED                   999        0        0
APPLE INC                      COM              037833100     9270    65090 SH       DEFINED                 65090        0        0
ASTRAZENECA PLC                SPONSORED ADR    046353108      235     5322 SH       DEFINED                  5322        0        0
AT&T CORP NEW                  COMMON           001957505      590    23744 SH       DEFINED                 23744        0        0
AT&T INC                       COM              00206R102    10775   433777 SH       DEFINED                433777        0        0
ATLAS PIPELINE PARTNERS LP     UNIT L P INT     049392103       40     5000 SH       DEFINED                  5000        0        0
AVOCENT CORP                   COM              053893103        6      400 SH       DEFINED                   400        0        0
AVON PRODS INC                 COM              054303102       75     2800 SH       DEFINED                  2800        0        0
AWARE INC MASS                 COM              05453N100        1      400 SH       DEFINED                   400        0        0
BAKER HUGHES INC               COM              057224107      478    13119 SH       DEFINED                 13119        0        0
BANK OF AMERICA CORPORATION    COM              060505104      146    12037 SH       DEFINED                 12037        0        0
BARRICK GOLD CORP              COM              067901108      239     7124 SH       DEFINED                  7124        0        0
BAXTER INTL INC                COM              071813109    12174   229884 SH       DEFINED                229884        0        0
BECKMAN COULTER INC            COM              075811109       74     1300 SH       DEFINED                  1300        0        0
BERKSHIRE HATHAWAY INC DEL     CL B             084670207      300      105 SH       DEFINED                   105        0        0
BMC SOFTWARE INC               COM              055921100       16      470 SH       DEFINED                   470        0        0
BOTTOMLINE TECH DEL INC        COM              101388106        5      597 SH       DEFINED                   597        0        0
BP PLC                         SPONSORED ADR    055622104     2850    59771 SH       DEFINED                 59771        0        0
BRISTOL MYERS SQUIBB CO        COM              110122108      109     5328 SH       DEFINED                  5328        0        0
BURLINGTON NORTHN SANTA FE C   COM              12189T104     9322   126774 SH       DEFINED                126774        0        0
CAMECO CORP                    COM              13321L108      234     9000 SH       DEFINED                  9000        0        0
CAMPBELL SOUP CO               COM              134429109      242     8212 SH       DEFINED                  8212        0        0
CARNIVAL CORP                  COMMON           143658102      191     7400 SH       DEFINED                  7400        0        0
CARNIVAL CORP                  PAIRED CTF       143658300        5      205 SH       DEFINED                   205        0        0
CATERPILLAR INC DEL            COM              149123101      206     6212 SH       DEFINED                  6212        0        0
CELERA CORP                    COM              15100E106        1      102 SH       DEFINED                   102        0        0
CELGENE CORP                   COM              151020104       35      729 SH       DEFINED                   729        0        0
CEVA INC                       COM              157210105        1      121 SH       DEFINED                   121        0        0
CHEVRON CORP NEW               COM              166764100    12491   188543 SH       DEFINED                188543        0        0
CISCO SYS INC                  COM              17275R102     9138   489758 SH       DEFINED                489758        0        0
CITADEL BROADCAS               COM USD0.01      17285T106        1       54 SH       DEFINED                    54        0        0
CITIGROUP INC                  COM              172967101      107    36099 SH       DEFINED                 36099        0        0
COCA COLA CO                   COM              191216100      274     5682 SH       DEFINED                  5682        0        0
COLGATE PALMOLIVE CO           COM              194162103    12543   174829 SH       DEFINED                174829        0        0
CONOCOPHILLIPS                 COM              20825C104     6159   146440 SH       DEFINED                146440        0        0
COOPER INDS LTD                CL A             G24182100      758    24412 SH       DEFINED                 24412        0        0
COVIDIEN PLC                   USD0.20          00B3QN1M2      250     6670 SH       DEFINED                  6670        0        0
CVS CAREMARK CORPORATION       COM              126650100      464    14550 SH       DEFINED                 14550        0        0
DELL COMPUTER CORP             COMMON           247025109       14     1000 SH       DEFINED                  1000        0        0
DELL INC                       COM              24702R101       46     3280 SH       DEFINED                  3280        0        0
DENTSPLY INTL INC NEW          COM              249030107        5      170 SH       DEFINED                   170        0        0
DIAMOND OFFSHORE DRILLING IN   COM              25271C102       32      380 SH       DEFINED                   380        0        0
DISNEY WALT CO                 COM DISNEY       254687106      177     7595 SH       DEFINED                  7595        0        0
DOLLAR TREE INC                COM              256746108    13067   310371 SH       DEFINED                310371        0        0
DONNELLEY R R & SONS CO        COM              257867101       13     1100 SH       DEFINED                  1100        0        0
DOW CHEM CO                    COM              260543103       22     1404 SH       DEFINED                  1404        0        0
E M C CORP MASS                COM              268648102      165    13345 SH       DEFINED                 13345        0        0
EASTMAN CHEM CO                COM              277432100       19      500 SH       DEFINED                   500        0        0
EBAY INC                       COM              278642103       20     1145 SH       DEFINED                  1145        0        0
EL PASO CORP                   COM              28336L109        4      400 SH       DEFINED                   400        0        0
ELAN PLC                       ADR              284131208      727   104522 SH       DEFINED                104522        0        0
ELECTRONIC ARTS INC            COM              285512109       34     1570 SH       DEFINED                  1570        0        0
EMERSON ELEC CO                COM              291011104    10578   326474 SH       DEFINED                326474        0        0
ENBRIDGE ENERGY PARTNERS L P   COM              29250R106       87     2391 SH       DEFINED                  2391        0        0
ENTERGY CORP NEW               COM              29364G103       97     1250 SH       DEFINED                  1250        0        0
EOG RES INC                    COM              26875P101       12      185 SH       DEFINED                   185        0        0
ERICSSON L M TEL CO            ADR B SEK 10     294821608        3      320 SH       DEFINED                   320        0        0
EXPEDITORS INTL WASH INC       COM              302130109      150     4500 SH       DEFINED                  4500        0        0
EXXON MOBIL CORP               COM              30231G102    30245   432595 SH       DEFINED                432595        0        0
FEDEX CORP                     COM              31428X106      101     1800 SH       DEFINED                  1800        0        0
FIDELITY NATL FINL             COMMON           316326107       14     1029 SH       DEFINED                  1029        0        0
FLIR SYS INC                   COM              302445101       50     2200 SH       DEFINED                  2200        0        0
FLUOR CORP NEW                 COM              343412102      103     2000 SH       DEFINED                  2000        0        0
FPL GROUP INC                  COM              302571104      424     7459 SH       DEFINED                  7459        0        0
GENERAL ELECTRIC CO            COM              369604103    10457   892141 SH       DEFINED                892141        0        0
GENERAL MLS INC                COM              370334104     9833   175516 SH       DEFINED                175516        0        0
GENUINE PARTS CO               COM              372460105        6      181 SH       DEFINED                   181        0        0
GENZYME CORP                   COM              372917104      153     2750 SH       DEFINED                  2750        0        0
GILEAD SCIENCES INC            COM              375558103     6903   147383 SH       DEFINED                147383        0        0
GLAXOSMITHKLINE PLC            SPONSORED ADR    37733W105       46     1320 SH       DEFINED                  1320        0        0
GOLDMAN SACHS GROUP INC        COM              38141G104      583     3945 SH       DEFINED                  3945        0        0
GOOGLE INC                     CL A             38259P508     6634    15735 SH       DEFINED                 15735        0        0
HARTFORD FINL SVCS GROUP INC   COM              416515104       45     3685 SH       DEFINED                  3685        0        0
HESS CORP                      COM              42809H107       31      575 SH       DEFINED                   575        0        0
HEWLETT PACKARD CO             COM              428236103    13246   342686 SH       DEFINED                342686        0        0
HOME DEPOT INC                 COM              437076102      170     7200 SH       DEFINED                  7200        0        0
HONEYWELL INTL INC             COM              438516106      235     7507 SH       DEFINED                  7507        0        0
HUDSON CITY BANCORP            COM              443683107       37     2788 SH       DEFINED                  2788        0        0
ILLINOIS TOOL WKS INC          COM              452308109     1405    37610 SH       DEFINED                 37610        0        0
INGERSOLL-RAND COMPANY LTD     CL A             G4776G101       41     1973 SH       DEFINED                  1973        0        0
INTEL CORP                     COM              458140100     6574   397222 SH       DEFINED                397222        0        0
INTERNATIONAL BUSINESS MACHS   COM              459200101    19433   186050 SH       DEFINED                186050        0        0
INTL PAPER CO                  COM              460146103        9      600 SH       DEFINED                   600        0        0
ISHARES INC                    MSCI JAPAN       464286848      428    45000 SH       DEFINED                 45000        0        0
ISHARES TR                     CONS SRVC IDX    464287580     1853    41407 SH       DEFINED                 41407        0        0
ISHARES TR                     DJ BROKER-DEAL   464288794      115     4500 SH       DEFINED                  4500        0        0
ISHARES TR                     DJ SEL DIV INX   464287168      230     6500 SH       DEFINED                  6500        0        0
ISHARES TR                     RUSL 3000 VALU   464287663       19      300 SH       DEFINED                   300        0        0
ISHARES TR                     S&P MIDCAP 400   464287507      127     2200 SH       DEFINED                  2200        0        0
JOHNSON & JOHNSON              COM              478160104    17958   316017 SH       DEFINED                316017        0        0
JPM FLEMING FDS                AMER MICRO CAP A 005369720      111     1634 SH       DEFINED                  1634        0        0
JPMORGAN CHASE & CO            COM              46625H100     8773   257085 SH       DEFINED                257085        0        0
KELLOGG CO                     COM              487836108    14842   318696 SH       DEFINED                318696        0        0
KINROSS GOLD CORP              COMMON           496902206      284    13400 SH       DEFINED                 13400        0        0
KOHLS CORP                     COM              500255104       43     1012 SH       DEFINED                  1012        0        0
KONINKLIJKE PHILIPS ELECTRS    NY REG SH NEW    500472303       16      854 SH       DEFINED                   854        0        0
KRAFT FOODS INC                CL A             50075N104     2170    85604 SH       DEFINED                 85604        0        0
LINCOLN NATL CORP IND          COM              534187109      446    25944 SH       DEFINED                 25944        0        0
LINEAR TECHNOLOGY CORP         COM              535678106       11      482 SH       DEFINED                   482        0        0
LOWES COS INC                  COM              548661107       49     2523 SH       DEFINED                  2523        0        0
LSI CORPORATION                COM              502161102        0       10 SH       DEFINED                    10        0        0
M & T BK CORP                  COM              55261F104  1359831 26700000 SH       DEFINED              26700000        0        0
MARKET VECTORS ETF TR          GOLD MINER ETF   57060U100    13180   348537 SH       DEFINED                348537        0        0
MARSH & MCLENNAN COS INC       COM              571748102      150     7400 SH       DEFINED                  7400        0        0
MCDONALDS CORP                 COM              580135101    15741   273819 SH       DEFINED                273819        0        0
MEDCO HEALTH SOLUTIONS INC     COM              58405U102        2       48 SH       DEFINED                    48        0        0
MEDTRONIC INC                  COM              585055106       47     1350 SH       DEFINED                  1350        0        0
MERCK & CO INC                 COM              589331107       31     1093 SH       DEFINED                  1093        0        0
MICROCHIP TECHNOLOGY INC       COM              595017104     8889   394181 SH       DEFINED                394181        0        0
MICROSOFT CORP                 COM              594918104    13364   562192 SH       DEFINED                562192        0        0
MOLEX INC                      COM              608554101        2      125 SH       DEFINED                   125        0        0
MONSANTO CO NEW                COM              61166W101     8035   108082 SH       DEFINED                108082        0        0
MORGAN STANLEY                 COM NEW          617446448        2       75 SH       DEFINED                    75        0        0
MORGAN STANLEY EMER MKTS FD    COM              61744G107       47     4300 SH       DEFINED                  4300        0        0
MOTOROLA INC                   COM              620076109       14     2219 SH       DEFINED                  2219        0        0
NATIONAL OILWELL VARCO INC     COM              637071101    10825   331436 SH       DEFINED                331436        0        0
NEWMONT MINING CORP            COM              651639106       53     1300 SH       DEFINED                  1300        0        0
NIKE INC                       CL B             654106103    11812   228120 SH       DEFINED                228120        0        0
NOBLE CORPORATION              COM STK USD0.1   003334731     9414   311221 SH       DEFINED                311221        0        0
NOKIA CORP                     SPONSORED ADR    654902204        1       88 SH       DEFINED                    88        0        0
NORFOLK SOUTHERN CORP          COM              655844108     9531   253004 SH       DEFINED                253004        0        0
NORTHERN TR CORP               COM              665859104     9537   177673 SH       DEFINED                177673        0        0
ORACLE CORP                    COM              68389X105    15809   738010 SH       DEFINED                738010        0        0
ORASURE TECHNOLOGIES INC       COM              68554V108       85    35000 SH       DEFINED                 35000        0        0
PAYCHEX INC                    COM              704326107        5      200 SH       DEFINED                   200        0        0
PEPSI BOTTLING GROUP INC       COM              713409100     5770   170502 SH       DEFINED                170502        0        0
PEPSICO INC                    COM              713448108     5355    97437 SH       DEFINED                 97437        0        0
PETROLEO BRASILEIRO SA PETRO   SPONSORED ADR    71654V408     2255     6458 SH       DEFINED                  6458        0        0
PFIZER INC                     COM              717081103     8732   581462 SH       DEFINED                581462        0        0
PHILIP MORRIS INTL INC         COM              718172109    18937   434125 SH       DEFINED                434125        0        0
PLAINS ALL AMERN PIPELINE L    UNIT LTD PARTN   726503105      213     5000 SH       DEFINED                  5000        0        0
PRAXAIR INC                    COM              74005P104      249     3500 SH       DEFINED                  3500        0        0
PROCTER & GAMBLE CO            COM              742718109    18035   352856 SH       DEFINED                352856        0        0
PUBLIC SVC ENTERPRISE GROUP    COM              744573106    11394   349181 SH       DEFINED                349181        0        0
QUALCOMM INC                   COM              747525103       67     1482 SH       DEFINED                  1482        0        0
ROCKWELL AUTOMATION INC        COM              773903109       19      585 SH       DEFINED                   585        0        0
RYANAIR HLDGS PLC              SPONSORED ADR    783513104      630    21980 SH       DEFINED                 21980        0        0
SCHEIN HENRY INC               COM              806407102      137     2890 SH       DEFINED                  2890        0        0
SCHERING PLOUGH CORP           COM              806605101     9567   380901 SH       DEFINED                380901        0        0
SCHLUMBERGER LTD               COM              806857108      325     6008 SH       DEFINED                  6008        0        0
SCHWAB CHARLES CORP NEW        COM              808513105        5      270 SH       DEFINED                   270        0        0
SCO GROUP INC                  COM USD0.001     78403A106        1     1670 SH       DEFINED                  1670        0        0
SELECT SECTOR SPDR TR          SBI INT-FINL     81369Y605    16345  1367308 SH       DEFINED               1367308        0        0
SIGMA DESIGNS INC              COM              826565103       21     1250 SH       DEFINED                  1250        0        0
SKILLSOFT PLC                  SPONSORED ADR    830928107        7      750 SH       DEFINED                   750        0        0
SMURFIT-STONE                  COM USD0.01      832727101        1     1356 SH       DEFINED                  1356        0        0
SMURFIT-STONE                  CONT COM USD0.01 832727101        1     4633 SH       DEFINED                  4633        0        0
SNAP ON INC                    COM              833034101      492    16870 SH       DEFINED                 16870        0        0
SOUTHERN CO                    COM              842587107    14240   456999 SH       DEFINED                456999        0        0
SPDR TR                        UNIT SER 1       78462F103    14736   159314 SH       DEFINED                159314        0        0
STANLEY WKS                    COM              854616109      118     3500 SH       DEFINED                  3500        0        0
STATE STR CORP                 COM              857477103    15402   326308 SH       DEFINED                326308        0        0
STRYKER CORP                   COM              863667101     8087   203510 SH       DEFINED                203510        0        0
SWISS HELVETIA FD INC          COM              870875101       53     5500 SH       DEFINED                  5500        0        0
SYMANTEC CORP                  COM              871503108       31     2000 SH       DEFINED                  2000        0        0
SYSCO CORP                     COM              871829107       82     3667 SH       DEFINED                  3667        0        0
TARGET CORP                    COM              87612E106        4      100 SH       DEFINED                   100        0        0
TEREX CORP NEW                 COM              880779103     9096   753637 SH       DEFINED                753637        0        0
THERMO FISHER SCIENTIFIC INC   COM              883556102    11641   285540 SH       DEFINED                285540        0        0
THOMAS & BETTS CORP            COM              884315102      166     4500 SH       DEFINED                  4500        0        0
TIME WARNER INC                COM NEW          887317303        2       60 SH       DEFINED                    60        0        0
TJX COS INC NEW                COM              872540109     7200   228856 SH       DEFINED                228856        0        0
TOLL BROTHERS INC              COM              889478103      233    13600 SH       DEFINED                 13600        0        0
TOTAL S A                      SPONSORED ADR    89151E109       20      364 SH       DEFINED                   364        0        0
UCBH HOLDINGS INC              COM              90262T308        1      170 SH       DEFINED                   170        0        0
UNITED PARCEL SERVICE INC      CL B             911312106       62     1250 SH       DEFINED                  1250        0        0
UNITED STATES STL CORP NEW     COM              912909108       11      320 SH       DEFINED                   320        0        0
UNITED TECHNOLOGIES CORP       COM              913017109     1844    35487 SH       DEFINED                 35487        0        0
UNITEDHEALTH GROUP INC         COM              91324P102       85     3342 SH       DEFINED                  3342        0        0
US BANCORP DEL                 COM NEW          902973304     4577   255401 SH       DEFINED                255401        0        0
VALERO ENERGY CORP NEW         COM              91913Y100     8280   490248 SH       DEFINED                490248        0        0
VERIZON COMMUNICATIONS INC     COM              92343V104     9735   316806 SH       DEFINED                316806        0        0
VODAFONE GROUP PLC             SPON ADR         92857W100     1492    76540 SH       DEFINED                 76540        0        0
WAL MART STORES INC            COM              931142103     7919   163382 SH       DEFINED                163382        0        0
WALGREEN CO                    COM              931422109       20      693 SH       DEFINED                   693        0        0
WASHINGTON POST CO             CL B             939640108       18       50 SH       DEFINED                    50        0        0
WASTE MGMT INC DEL             COM              94106L109      101     3603 SH       DEFINED                  3603        0        0
WELLPOINT HEALTH NETWORKS      COMMON           94973H108       41      800 SH       DEFINED                   800        0        0
WELLS FARGO & CO NEW           COM              949746101     6729   277148 SH       DEFINED                277148        0        0
WYETH                          COM              983024100       28      605 SH       DEFINED                   605        0        0
XEROX CORP                     COM              984121103        3      500 SH       DEFINED                   500        0        0
XTO ENERGY INC                 COM              98385X106       86     2250 SH       DEFINED                  2250        0        0
ZIMMER HLDGS INC               COM              98956P102      109     2515 SH       DEFINED                  2515        0        0