Tullamore D.E.W. is a smooth and malty Irish whiskey that has been distilled in the small town of Tullamore in County Offaly since 1829. It is tagged as The Legendary Irish Whiskey and is one of the most popular Irish whiskey brands in the world. While it is not the oldest whiskey of its kind (Bushmills claims that title), Tullamore D.E.W. is rich with history and a favorite for many whiskey drinkers for a good reason.