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
Irish whiskey through the inclusion of raw, unmalted grain in the mash. This style has also historically been referred to as "pure pot still" whiskey and "Irish pot still whiskey", with older bottlings and memorabilia often bearing these names. Single pot whiskeys were the most common style of Irish whiskey until the emergence of blends in the 20th century. Whiskey produced from continuous distillation in a column or Coffey still, rather than a pot still, is referred to as grain whiskey. This may be produced from a variety of grains. Lighter and more neutral in taste, this spirit is rarely found on