Whilst Triple Distillation guarantees the ultimate smoothness, ageing this unique blend for many years in oloroso sherry and old bourbon oak casks brings out a character and flavour that continues to win awards year after year. Est 1829. A Blend. Established in the heart of Ireland, The Tullamore distillery perfected the craft of blending triple distilled pot still, malt and grain whiskeys. Glasses up to drinking responsibly. The Tullamore distillery established in 1829. Became home to a man of legendary status - Daniel E. Williams. He perfected a whiskey of exceptional quality, character and smoothness that was good enough to bear his initials. D.E.W. Exceptional character. www.tullamoredew.com. 40% alc/vol. 80 Product of Ireland.