Irish whiskey Act, whiskey produced by registered distillers was known as "Parliament whiskey", while that produced by illicit producers was, and still is referred to as "Poitín", a Gaelic term meaning "small pot" (often anglicised as poteen) in reference to the small pot stills used by the illicit distillers. However, although traditionally the product of illicit production, many legal varieties of "Poitín" have come to market in recent years. In the 18th century, demand for whiskey in Ireland grew significantly, driven both by strong population growth, and by displacing the demand for imported spirits. Growth in the latter is very much visible
Jameson Irish Whiskey thereafter, the introduction of prohibition in the United States. While Scottish brands could easily slip across the Canada–US border, Jameson was excluded from its biggest market for many years. The introduction of column stills by the Scottish blenders in the mid-19th-century enabled increased production that the Irish, still making labour-intensive single pot still whiskey, could not compete with. There was a legal enquiry somewhere in 1908 to deal with the trade definition of whiskey. The Scottish producers won within some jurisdictions, and blends became recognised in the law of that jurisdiction as whiskey. The Irish in general, and Jameson in