Neologism composed of the prefix, "neo," meaning new and a truncated form of the word, "catholic": i.e. new Catholic. Coined by Fr. Joseph O'Leary at in an article titled "The Rise of the Neocaths" at http://josephsoleary.typepad.com/

Neo Cath seems related to Neocon from American Politics and Neo Catholic, a traditionalist term expressing contempt for Catholics in union with the magisterium: http://www.thewandererpress.com/b5-10-03.htm

Neo Cath is also the name of a neonatal oxygen monitor: http://www.electro-medtech.com/x2/Shiley%20Pfizer%20NEOCATH%201000.htm