A 1,000-year-old Irish oak tree has been given a remarkable second life after being transformed into three exceptionally rare whiskey casks, marking a historic milestone for Ireland’s distilling and cooperage heritage.
The three 225-litre Irish oak casks were handcrafted by the skilled coopers at Kentucky Bourbon Barrel in Kildare using timber from the ancient tree, which was felled during Storm Elin in December 2023 on Preston’s Estate at Swainstown Farm, County Meath.
The project is a collaboration between Boann Distillery, Kentucky Bourbon Barrel, and Swainstown Farm, and represents the first time in more than a century that complete Irish oak whiskey casks have been coopered by Irish craftsmen on Irish soil.
A remarkable journey from ancient tree to whiskey cask
Following the tree’s fall, a carefully selected section of the oak was transported to the Vosges region of France, where specialist mills split the timber and crafted it into barrel staves and heads.
The wood then underwent approximately 24 months of natural outdoor seasoning before returning to Ireland.
At the Kentucky Bourbon Barrel cooperage in Newbridge, experienced coopers shaped, toasted and assembled the seasoned oak into three complete Irish oak casks, ready to begin their next chapter.

A perfect match for Preston’s Irish Whiskey
The casks will be filled with whiskey produced using Boann Distillery’s secret Preston’s Vintage Mashbill XI recipe, a late-19th-century mash bill rediscovered through the distillery’s Vintage Mashbill Programme, which revives forgotten historic Irish whiskey recipes.
The whiskey is expected to be bottled and released next year, creating a unique expression that links the Preston family’s heritage with one of Ireland’s oldest surviving oak trees.
Irish oak remains exceptionally rare
Unlike American oak, which dominates whiskey maturation around the world, Irish oak suitable for cooperage is extremely scarce. This makes the three casks not only historically significant but also among the rarest Irish whiskey casks ever produced.

Peter Cooney of Boann Distillery commented:
“This oak stood at Preston’s Estate for around 1,000 years, and its story could easily have ended when it fell during Storm Elin. Instead, it has returned to Ireland to begin a new life as three extraordinarily rare whiskey casks.
Using the wood to mature Preston’s Irish Whiskey creates a direct connection between the Preston family’s land, its historic whiskey-bonding legacy and Boann’s work to revive old Irish whiskey recipes.”
Mark Quick, Managing Director of Kentucky Bourbon Barrel Ireland, added:
“Working with native Irish oak of this age and provenance is an enormous privilege. Every stave must be carefully examined and shaped before the cask is raised, secured with hoops and prepared to hold spirit.
How we season, shape, toast and assemble the oak will influence the way the whiskey interacts with the wood throughout maturation. These will become some of the rarest Irish whiskey vessels ever made.”
Arthur Preston of Swainstown Farm also reflected on the significance of the project:
“This tree was part of the landscape at Swainstown for longer than any of us can comprehend. While it was deeply saddening to see it fall, transforming it into whiskey casks creates a new connection between our family’s history, the land and the future of Preston’s Whiskey.”
This extraordinary collaboration brings together Irish history, craftsmanship and whiskey-making tradition, ensuring that a millennium-old tree will continue its story through one of Ireland’s rarest and most distinctive whiskey projects.