Rearranging the letters of 'The Roman Catholic Church' gives:
Ah! Ah! Much incorrect cloth!
(by John O'Byrne & Jerry Ring) (1995)
A rich cloth, chum. Oh, recant!
(by Mick Tully using Anagram Genius) (2009) (pending approval)
Other related anagrams without their own page:
"A Catholic Priest" -> "Ethical? O, it's crap." (by Rick Rothstein using Anagram Genius) (2002)
"A Catholic Priest" -> "Pat each clitoris." (by Rick Rothstein using Anagram Genius) (2002)
"A Catholic Priest" -> "Chap's tail...erotic?" (by Rick Rothstein using Anagram Genius) (2002)
"A Catholic Priest" -> "It's halo practice!" (by Mick Tully using Anagram Genius) (2002)
"A Catholic Priest" -> "O! It's ethical crap." (by Rick Rothstein using Anagram Genius) (2002)
"Tony Blair is converting to the Roman Catholic faith" -> "His Act of Contrition morally bothering the Vatican?" (by David Bourke using Anagram Genius) (2007)
"The Holy Roman Catholic Church" -> "Healthy Catholic Church Moron." (by Rebecca Glantz using Anagram Genius) (2006) (pending approval)
"Catholicism" -> "Comical shit." (by Joe Fathallah) (2002)
"Christian" -> "Rich at sin." (by Joe Fathallah by hand) (2002)
"Christian" -> "Rich saint." (by unknown by hand)
"Christian" -> "INRI, chats." (by Debra Dee Freeman by hand) (2015) (pending approval)
"Christian" -> "Tan is rich." (by dani_j by hand) (2006) (pending approval)
"The Christian Church" -> "Ah, the rich rich c**ts." (by Joe Fathallah) (2002)
"A priest" -> "It rapes..." (by Joe Fathallah by hand) (2003)
"Catholic priest Kevin Gray" -> "The sickly operating vicar." (by Aronas Pinchas ) (2010) (pending approval)