I heard a story on the radio about this a few days ago and yes, it's true: The corned beef in your typical St. Patrick's Day feast is not Irish. It's actually Jewish.
As Wikipedia says:
and:Corned beef is not considered an Irish national dish, and the connection with Saint Patrick's Day specifically originates as part of Irish-American culture, and is often part of their celebrations in North America. ... Corned beef and cabbage is the Irish-American variant of the Irish dish of bacon and cabbage.
http://www.smithsonianmag.com/arts-c...irish-2839144/The Irish immigrants almost solely bought their meat from kosher butchers. And what we think of today as Irish corned beef is actually Jewish corned beef thrown into a pot with cabbage and potatoes. The Jewish population in New York City at the time were relatively new immigrants from Eastern and Central Europe. The corned beef they made was from brisket, a kosher cut of meat from the front of the cow. Since brisket is a tougher cut, the salting and cooking processes transformed the meat into the extremely tender, flavorful corned beef we know of today.
so for all of you looking forward to an "authentic" Irish meal of corned beef and cabbage in celebration of the day, be aware that you've been misled.
On the other hand, Guinness Draught Stout is authentically Irish, so feel free to consume as much of that as you want. Just don't try to dye it green.