Irish whiskey is one of the world's three classical whisky traditions (alongside Scotch and Bourbon) and arguably the oldest — Ireland claims to have invented whisky. The defining feature of most Irish whiskey is triple distillation — the spirit is distilled three times in copper pot stills, removing more impurities than the typical Scottish double distillation and producing a notably smooth, clean spirit. Irish whiskey also uses both malted and unmalted barley (in 'pure pot still' or 'single pot still' whiskey, a uniquely Irish style), giving it a creamier, spicier character than Scotch. After near-extinction in the 20th century, Irish whiskey has experienced a dramatic revival — Jameson alone has gone from a regional brand to one of the world's largest whiskey brands.

Blended Irish whiskey (Jameson, Bushmills Original) is the everyday category — light, smooth, accessible. Single Pot Still (Redbreast, Green Spot) is the historic Irish style — uses both malted and unmalted barley in a pot still, producing creamy, spicy whiskey with significant character. Single Malt Irish (Bushmills 10, Teeling Single Malt) follows the Scottish single malt model. Single Grain Irish (Teeling Single Grain) uses corn or wheat with column distillation. New craft distilleries (Dingle, Slane) have expanded the category dramatically since 2010.

Irish whiskey is the easiest whisky to drink neat — its smoothness makes it forgiving for new whisky drinkers. Try it neat in a Glencairn glass before mixing. For everyday Jameson, the Irish way is 'Jameson, ginger, and lime' — Jameson with ginger ale and a lime wedge. The Whiskey Sour and Old Fashioned both work beautifully with Irish whiskey. Single Pot Still expressions deserve neat tasting — the creamy, spicy character is unique in the whisky world.