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Becoming Catholic: Everything you need to know about OCIA

Fom the Easter Vigil Mass in St Mary’s Pro-Cathedral, Dublin, April 2025. / Credit: John McElroy

CNA Staff, Jun 4, 2025 / 07:00 am (CNA).

TherecentelectionofPopeLeoXIVhassparkednewinterestinCatholicism,withGoogledatashowingaspikeinsearcheson“howtobecomeCatholic”shortlyafterthedeathofPopeFrancisinApril.Meanwhile,acrossmanydioceses—andespeciallyamongyoungpeople—anecdotalreportsindicateanupswinginpeoplejoiningtheCatholicChurchinrecentyears. WhiletheChurch’srequirementsincludesometerminologythatmaybeunfamiliar,theprocesshasitsrootsintheearlyChurch.Ifyou’relookingtobecomeCatholicin2025,here’saguideonwhatyoushouldknow—fromthestagesofspiritualpreparationtoimportanttermsandhistoricalbackgroundonwhatChristianinitiationhaslookedlikeoverthecenturies. WhatisOCIA? TheOrderofChristianInitiationofAdultsor“OCIA”isthenormativewaytoreceiveformationandpreparetoentertheCatholicChurch.ThisprocesswaspreviouslyknownasRCIA,theRiteofChristianInitiationofAdults,untiltheU.S.bishopsrenameditin2021toreflectamoreaccu