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1. Ancient Order of Hibernians
> Founded: 1836
> Mission: Protecting Catholic churches from anti-Catholic forces
> Well-known members: John F. Kennedy, Fulton Sheen, Pat O’Brien

The AOH is the oldest Irish Catholic fraternal organization in the United States and was established to shield Catholics from bigotry in the U.S. in the 19th century. The organization, whose members include John F. Kennedy, traces its roots to secret societies created in Ireland more than 300 years ago to protect Catholics from British oppression.

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