John Jameson's Dublin Distillery was founded in 1780 and laid down a tradition for quality and success. His family motto and guiding philosophy was Sine Metu, meaning Without Fear, which appears today on every bottle. He set new standards and invested in the latest manufacturing processes. When he discovered that certain strains of barley made a superior whiskey, he persuaded local farmers to grow them by providing seed grain every spring. He also insisted that only the finest casks available were used for maturation.

Jameson Irish Whiskey is the perfect combination of traditional pot still and elegant grain whiskey. The principal ingredients in Jameson are malted barley, unmalted barley and pure water. Precise amounts of malted and unmalted barley are milled and mixed. Mashing is the process by which the grist is added to hot water 63C in a large vessel called a Mash Tun. During this process the starches in the barley are converted into fermentable sugars. The mashing process is complete when a hot sweet liquid called Wort is drawn