In majority Protestant countries with large scale immigration, such as the United States and Australia, suspicion or discrimination of Catholic immigrants often overlapped or were conflated with nativism, xenophobia, and ethnocentric or racist sentiments (i.e. anti-Italianism, anti-Irish sentiment, Hispanophobia, anti-Quebec sentiment, anti-Polish sentiment).
Di sebagian besar negara Protestan dengan imigrasi skala besar, seperti Amerika Serikat, Kanada, dan Australia, kecurigaan atau diskriminasi terhadap imigran Katolik sering tumpang tindih atau bercampur aduk dengan nativisme, xenophobia, dan sentimen etnosentris atau rasis (yaitu anti-Italianisme, sentimen anti-Irlandia, Hispanofobia, sentimen anti-Quebec, sentimen anti-Polandia).