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I located one 1833 Johana Bergin baptismal record in the Roscrea area. I did not find a William Luddy record around 1820 in Co. Tipperary.
First name(s)JohanaLast nameBerginBirth year-Baptism year1833Baptism date? May 1833ParishRoscreaAlternative parish namesCorbally, Kyle, Roscrea and Corbally, Roscrea and KyleDioceseKillaloeCountyOffaly, Tipperary, LaoisCountryIrelandFather's first name(s)PattFather's last nameBerginMother's first name(s)JudyMother's last nameGreadyRepositoryNational Library of IrelandNational Library of Ireland linkhttp://registers.nli.ie//registers/vtls000634777#page/1/mode/1upRegisterBaptism