Not really sects, Catholicism has a single well defined structure and basic doctrines that imply excommunication if not accepted (dogmas). But there are different groups with different styles, interests, outlooks, goal, activities and some non-fundamental aspects of theology. read more
With all due respect, President John F. Kennedy would seem to have fit well the mold of a cultural Catholic. 20 Types of Catholics- Popular Folk Catholics. Popular folk Catholics are found especially in Central and South America. read more