Henry Mckenna 10 Year Single Barrel Bourbon Whiskey1 BOTTLE PER CUSTOMER This high proof, Bottled in Bond Bourbon was named for Henry McKenna, the Irish immigrant who adapted his family's whiskey recipe to work the grains he found in Kentucky. Henry McKenna is the longest aged Bottled in Bond available today, resting in the barrel through 40 Kentucky seasons. Critics agree that this is a perfectly balanced Bourbon.