Question: is corned beef and cabbage traditional irish food

Answer: No, Corned beef was used as a substitute for bacon by Irish-American immigrants in the late 19th century. Corned beef and cabbage is the Irish-American variant of the Irish dish of bacon and cabbage. A similar dish is the New England boiled dinner, consisting of corned beef, cabbage, and root vegetables such as carrots, turnips, and potatoes, which is popular in New England and another similar dish, Jiggs dinner, is popular in parts of Atlantic Canada.