Some St. Paddy's (not Patty's) Day Fun Facts!

4: Ireland's global rank in beer consumption per capita in 2011, with 101.1 liters.

15: The U.S. rank in beer consumption per capita, with 76.6 liters.

34.5 million: People in the U.S. with Irish ancestry, as of 2011.

530: Calories in a 12-ounce McDonald's limited-edition green Shamrock Shake.

See more HERE