There are only two Margaret Longs listed for County Cork in that tin=me frame but not 1843.
Area - CORK & ROSS (RC) , Parish/Church/Congregation - KILMICHAEL
Baptism of MARGARET LONG of COOLEDEARE on 1 August 1845
NameMARGARET LONGDate of BirthN/R N/R N/RAddressCOOLEDEAREFatherJERRY LONGMotherKATE CAVANAGH
Further details in the record
Sponsor 1NANCY LONGSponsor 2NANCY CAVANAGHRecorded Parochial AreaKILMICHAEL
cork & ross.kilmichael.p4797.00493
Area - CORK & ROSS (RC) , Parish/Church/Congregation - CARRIGALINE & TEMPLEBRIGID
Baptism of MARGT LONG of N/R on N/R September 1840
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NameMARGT LONGDate of BirthN/R N/R N/RAddressN/RFatherJEREH LONGMotherMARY DONOVAN
Further details in the record
Sponsor 1PAT KENEDYSponsor 2MARY SULLIVANRecorded Parochial AreaCARRIGALINE & TEMPLEBRIGID
cork & ross.carrigaline & templebrigid.p4790.00444