Recipes Oisín's Dram Be the first to rate & review! Holeman & Finch Public House · AtlantaGreg Best named this Irish whiskey–based cocktail after Oisín, a mythological Celtic warrior. Oisín's mother, in some versions of the story, was turned into a deer after he was born. More Whiskey Cocktails By Greg Best Updated on March 27, 2015 Print Rate It Share Share Tweet Pin Email Yield: 1 drink Ingredients Ice 1 1/2 ounces Irish whiskey, preferably Jameson Gold Reserve 1 ounce tawny port 1 ounce fresh orange juice 4 dashes of Angostura bitters Pinch of ground cinnamon, for garnish Directions Fill a cocktail shaker with ice. Add all of the remaining ingredients except the cinnamon and shake well. Strain into an ice-filled rocks glass and garnish with the cinnamon. Rate it Print