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A large family of good people from all walks and shades of life. Origins around Rochester, Geneva and Canandaigua New York. A force to be reckoned with. Also known as OPC. Not limited to New York State, the OPC has family all over the world
O'Reilly's can often be identified by their cheers to "sodomy".

The O'Reilly Pirate Crew are pranksters by nature and good spirited drunks.
by Jethro Jebidiah O'Reilly November 28, 2007
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