 As they renovated the structure, Mark Andrews amassed a collection of rare single malt Irish whiskey, which he privately bottled and named Knappogue Castle 1951 after the historic building.He focused primarily on the whiskeys once produced at the B. Daly Distillery in County Offaly, which ceased whiskey production in 1954.The castle was purchased by Shannon Development in 1996, and is now a venue for weddings and banquets.