I am going to burst a lot of bubbles. It is not really Irish. It is actually Jewish.
When the Irish were landing in New York , poor
, finding food that was affordable was a natural priority. The Jews worked deli's. The lesser cuts of meat were corned. There is no corn used. The salt acorns , or corns for short was packed around the meat to draw out moisture and prevent the growth of bacteria. This was boiled before eating. Cabbage was very cheap and was cooked with the beef. A poor mans dinner.
In Ireland , Shepphards pie is the celebration meal of choice. You can look that one up when you check my story. I am sticking to it. We are Irish decedents (old2soon) , and da prez

da prez