Drunken History: Irish Whiskey Heritage

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Updated On: May 27, 2024 by   Ciaran ConnollyCiaran Connolly

Ireland has a rich and proud history regarding whiskey: even the word itself is derived from the Gaelic ‘uisce beatha’ (‘water of life’). You will find many Irish whiskey distilleries throughout the island of Ireland, each with a unique story.

The History Of Irish Whiskey

Many distilleries in Ireland claim to be the world’s oldest, with the two main claimants being The Old Bushmills Distillery in County Antrim and the Old Kilbeggan Distillery in County Westmeath. In 1608, King James granted the Governor of County Antrim a license to distil Bushmills Whiskey; however, the trademark license wasn’t registered until 1784. For this reason, there is a debate, as Kilbeggan Distillery registered its license in 1757—hence, many people believe that it is older than Bushmills.

Whether you consider yourself a whiskey connoisseur or a novice in the world of whiskey, Ireland’s distilleries are a must-visit. Some misconceived ideas about visiting such distilleries are that you go in, receive a history lesson and leave with a bottle of whiskey. The Irish whiskey distillery experience is so much more than that, and you will leave feeling enriched with the experience and knowledge you have gained, as well as getting to sample the variety of whiskies that Ireland offers. The most famous distilleries in Ireland are Bushmills, Cooley, Glendalough, Hibernia, Midleton, Roe & Co, Slane, Teeling, The Dublin Liberties, Tipperary Boutique, Tullamore, Walsh and West Cork. All of these are worth a visit (maybe not on the same day, or you might not remember much about the history!).

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In the late 18th century, there were over two hundred licensed distilleries in Ireland and an estimated 8,000 unlicensed distillers. This is when Irish whiskey peaked and soon began to decline heavily due to unfortunate events such as prohibition. Irish whiskey almost ceased to exist as Ireland went from having two hundred licensed distilleries to just two: Bushmills and Midleton. In the late 1980s, however, Irish whiskey rose to prominence again after almost a century of being overshadowed by their Scotch and American competitors.

Three different types of Irish whiskey exist: single pot still, single malt and single grain. Single-pot still Irish whiskey is made from a mix of malted and unmalted barley distilled in a pot still. It is spicier and has a thicker texture than single malt and grain whiskies. Single malt whiskey is from a single distillery using pot stills. It must be made exclusively from malted barley and have been aged for at least three years in oak casks. Single-grain whiskey is made from corn, wheat, or rye and is distilled in column stills; it is lighter in style.

irish whiskey

Nowadays, whiskey can be seen as a fashion item and an alcoholic beverage. Jameson Irish Whiskey has over one hundred of what they call ‘graduates’ or brand ambassadors in over fifty countries worldwide. These graduates help to promote the Jameson Irish Whiskey brand further afield into countries that don’t typically consume Irish Whiskey, such as UAE, Kazakhstan, China, India, Malaysia and Indonesia. One of the most famous Irish Whiskey brand ambassadors was Her Majesty the Queen Elizabeth I when, in the late 16th century, Irish Whiskey became a trendy drink of the English court.

Branding is an integral part of a successful whiskey company. You may have heard that Irish megastar Conor McGregor released his Irish Whiskey, called ‘Proper Twelve’, after the area of Crumlin, Dublin, where he is from. Many do not know this whiskey is distilled in The Old Bushmills Distillery in County Antrim. Proper Twelve Irish Whiskey launched in September 2018 and sold out its United States six-month-allocation after ten days. Since then, they have sold an estimated 200,000 cases. Although McGregor’s whiskey release could be seen as a hostile move by competitors such as Jameson and Bushmills, it is excellent for consumers as the more competition there is, the better. Also, competitors may benefit if McGregor’s whiskey becomes a short-lived novelty if people stop purchasing it due to poor quality. Still, the demand for Irish Whiskey stays high due to the popularity that Proper Twelve has brought worldwide.

Production Process: Crafting Irish Whiskey

The production of Irish whiskey is an art form steeped in tradition yet open to innovation. The process begins with selecting high-quality ingredients: water, barley (malted and unmalted), and yeast.

  1. Malting: The barley is soaked in water and allowed to germinate. This germination process converts the starches in the barley into fermentable sugars. After a few days, the germination is halted by drying the barley in kilns.
  2. Mashing: The malted barley is then ground into a coarse flour called grist, mixed with hot water in a mash tun. This process extracts the sugars from the barley, creating a sugary liquid known as wort.
  3. Fermentation: The wort is transferred to large fermentation vessels, where yeast is added. The yeast converts the sugars in the wort into alcohol, producing a wash liquid.
  4. Distillation: Irish whiskey is distilled thrice, though some producers may opt for double distillation. The wash is first distilled in a wash still, separating the alcohol from the water and other impurities. The resulting liquid, known as low wines, is then distilled again in a spirit still. The final distillation, often in a spirit receiver, refines the alcohol further, resulting in a clear, high-proof spirit.
  5. Maturation: The distilled spirit is transferred to oak casks for ageing. Irish whiskey must be aged for at least three years, though many are more extended. The choice of cask, whether ex-bourbon barrels, sherry casks, or others, imparts unique flavours and characteristics to the whiskey.
  6. Bottling: After ageing, the whiskey is typically diluted to bottling strength with pure water and filtered before being bottled.

Whiskey is a fundamental part of Irish cultural heritage. If you are visiting Ireland for the first time or if you are a lifelong resident of Ireland, be sure to add visiting one of Ireland’s great whiskey distilleries to your bucket list!

Styles of Irish Whiskey

Irish Whiskey
Irish Whiskey

Irish whiskey comes in several distinct styles, each with its unique characteristics:

  1. Single Malt: Made from 100% malted barley and distilled in a pot still at a single distillery, it is known for its complexity and depth of flavour.
  2. Single Pot Still: Unique to Ireland, made from a mix of malted and unmalted barley and distilled in a pot still. Offers a rich, spicy flavour profile.
  3. Grain Whiskey: Made from grains other than barley (such as corn or wheat) and typically distilled in a continuous still. Lighter and more delicate in flavour.
  4. Blended Whiskey: A blend of two or more styles of whiskey, such as single malt, single pot still, and grain whiskey. Blended whiskeys are often smooth and well-balanced.

Cultural Significance and Global Influence

Irish whiskey has long been intertwined with Irish culture and identity. It has been central in social and religious ceremonies, from weddings to wakes. The spirit is celebrated in Irish literature, music, and folklore, often symbolising warmth, hospitality, and friendliness.

Irish whiskey’s global influence is evident in its widespread popularity. It became a favourite among Irish immigrants and their descendants in the United States, contributing to the American whiskey tradition. Irish whiskey’s smooth, approachable nature has made it a preferred choice for many, from casual drinkers to connoisseurs.

The resurgence of Irish whiskey in recent decades has revitalised the industry and sparked a renewed appreciation for Irish culture worldwide. Whiskey tourism has become a significant draw, with visitors flocking to Ireland to tour distilleries and sample the diverse offerings. Events such as Whiskey Live Dublin and the Irish Whiskey Awards celebrate the spirit and its makers, highlighting the vibrant community behind the industry.

Modern Innovations and Future Prospects

The modern era of the whiskey is marked by innovation and experimentation. To create unique flavour profiles, distillers are exploring new techniques, such as different cask finishes. Various grains and novel distillation methods are expanding the boundaries of what Irish whiskey can be.

Sustainability has also become a key focus, with many distilleries adopting environmentally friendly practices. The industry strives towards a more sustainable future, from reducing water usage to utilising renewable energy sources.

The future of Irish whiskey looks bright, with increasing global demand and a growing number of new distilleries. This renaissance is not just about quantity but also quality, as producers strive to maintain and elevate the standards of Irish whiskey.

Tasting and Appreciating Irish Whiskey

Tasting the whiskey is a sensory experience that involves examining its appearance, aroma, palate, and finish. Here are some tips for appreciating this fine spirit:


Pour a small amount of whiskey into a glass and observe its colour. The hue can range from pale gold to deep amber, influenced by the type of cask and the length of maturation. Swirl the glass gently to see the whiskey’s “legs” or “tears” – the streaks forming inside the glass. Slow, thick legs indicate higher viscosity and potential richness.


Nosing the whiskey is crucial for identifying its aromatic profile. Gently swirl the glass and inhale deeply, noting the various scents. Typical aromas include vanilla, caramel, fruit, spice, and oak. Take your time to explore the complexity of the bouquet.


Take a small sip and let the whiskey coat your tongue. Pay attention to the initial flavours and how they evolve. Irish whiskey is known for its smoothness and balanced mix of sweet, fruity, and spicy notes. Consider the mouthfeel – is it light, creamy, or full-bodied?


The finish refers to the aftertaste and how long the flavours linger. An excellent Irish whiskey will have a pleasant, enduring finish that leaves a lasting impression. Note any final flavours that emerge as the whiskey fades.


Irish whiskey’s heritage is a testament to the resilience and ingenuity of its makers. Irish whiskey has weathered challenges and emerged stronger from its ancient origins to its modern revival. It remains a symbol of Irish culture, cherished for its rich history and distinctive character. As the industry continues to innovate and grow, Irish whiskey is poised to maintain its place as a beloved spirit in Ireland and worldwide.

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