"Irish American whiskey" isn't a legal category — it's a loose, unofficial phrase people reach for to describe whiskey styled after Irish whiskey but distilled in the United States, or an Irish whiskey brand built and marketed mainly for American drinkers. Genuine Irish whiskey, by law, has to be mashed, fermented, distilled and matured in wooden casks for at least three years on the island of Ireland. If a label doesn't say where the spirit was actually made, that's usually the first question worth asking.

Is "Irish American whiskey" an official category?

No. Bourbon is a protected category with a legal definition. Irish whiskey is a protected geographical indication, under both Irish and EU law — the name can only be used for whiskey made, in its entirety, in Ireland. "Irish American whiskey" sits in neither box. It's a marketing phrase, not a style with rules, which means it can mean almost anything the person using it wants it to mean.

What does the phrase usually mean in practice?

Two different things, and it's worth knowing both. Sometimes it describes American-made whiskey that borrows Irish techniques or branding — triple distillation, a smooth, easy-drinking profile, an Irish-sounding name — without any of the liquid actually crossing the Atlantic. Other times it's used loosely for real Irish whiskey brands that have built their business, their story and their audience specifically around the US market. Same three words, two very different bottles.

Why does the confusion exist at all?

Because Irish whiskey is having a genuine moment in America. Sales have grown for years, driven by whiskeys that are lighter and more approachable than a lot of Bourbon or Scotch. Wherever a category is growing that fast, you get imitators borrowing the name recognition, and you get real Irish producers investing hard in US distribution and marketing. Both trends are happening at once, and "Irish American whiskey" is the fuzzy phrase that's grown up in the gap between them.

How can you tell if a whiskey is actually Irish?

Turn the bottle around. Genuine Irish whiskey will say so on the back label, usually with a line like "Product of Ireland" or "Distilled and bottled in Ireland." If that line isn't there, or the label is vague about where the spirit was made, ask. A brand that's proud of its Irish credentials will put them front and centre — a county, a distillery, a family name — because it's a genuine point of difference, not a marketing flourish to bury in small print.

Does it actually matter which one you buy?

That depends what you're after. There's nothing wrong with an American distillery making a whiskey in the Irish style — plenty are honest about it, and some are very good. But if part of what you're buying into is Ireland itself — the climate, the water, the three years minimum in a cask on Irish soil, the centuries of distilling behind it — then only genuine Irish whiskey delivers that. Knowing which one is in your glass just means you're getting what you actually paid for.

Where does Flying Tumbler fit into all this?

Squarely on the Irish side of the line, no asterisk required. We're blended and bottled in County Carlow, at Larch Grove, by two brothers who grew up on the farm the whiskey is made on. Every drop is distilled and matured in Ireland, the way the law — and the tradition — requires. We sell plenty of it in the US, and we're proud to, but that's a market we've grown into, not a story we invented to sound Irish. The Bird, The Roller and The Tippler are the genuine article, made at home and sent out into the world — which, fittingly, is exactly the kind of journey our pigeon mascot Paddy makes and comes back from, every time.