National symbols of Ireland, the Republic of Ireland and Northern Ireland with Jameson Irish Whiskey and Tullamore Dew the main whiskey brands. Poitín, made from potatoes and with an alcohol content of up to 90% ABV, is the traditional Irish moonshine, brewed illegally since 1661, when a duty was placed on whiskey and other spirits were made illegal. According to one guidebook, ""If you see a product labelled "poteen" in an airport or a bar, it's simply a white duty-paid Irish schnapps. By definition, poteen is illegal and can't be sold."" Stout, a dark beer made using roasted oats or barley, is the national beer, with Guinness heavily promoted as a
Straight whiskey special name associated with the type of grain and whether the grain was malted. For example, a straight whiskey may be a bourbon whiskey (using a mash of corn), malt whiskey (using a mash of malted barley), rye whiskey, rye malt whiskey, or wheat whiskey. An especially prominent variation is the labeling "Kentucky Straight Bourbon Whiskey", used to indicate a straight whiskey made in Kentucky from a mash of at least 51% corn grain. For a straight whiskey to be called corn whiskey, it must use a mash with at least 80% corn and be aged in used or uncharred