Updated April 2026.
There is no official best Irish whiskey to drink straight. Irish whiskey is a legal file, not a taste score. Bushmills Original prints 40% / 80. Jameson Original prints 40%. Neat is a serve. Straight, in US English, is an aging rule — not the same word. A 1.5-ounce pour at 40% is one NIAAA drink.
Related: Bushmills line, Jameson line, whiskey neat.
File vs serve
| Language | 1.5 oz drinks |
|---|---|
| Irish whiskey | 1.00 at 40% |
| Bushmills Original | 1.00 |
| Jameson Original | 1.00 |
| Neat | From labeled ABV |
A 750 mL 40% bottle is about 17 drinks. Four pours are four drinks. Pour math: whiskey drinks.
Sources
- bushmills.com Original 40% / 80 official this project. Jameson Original 40% Pernod nutrition / prior.
- Irish whiskey technical file. NIAAA December 2025.