Scotch whiskey is made from several regions in Scotland. This type of whiskey is usually distilled twice. It is made from peat-smoked and wholly malted barley. Scotch whiskey is made by blending. Scotch whiskey is kept in the cast for about two years.
Irish whiskey is made in Ireland. This type of whiskey is triple distilled. Irish whiskey is made from kiln-dried grain and malted barley. Irish whiskey is made by vatting. It is kept in the cast for three years. The difference between these two types of whiskey helps people to appreciate one over the other.
The only time that you can call a Scottish Whiskey a Scottish Whiskey is if it comes from Scotland. It should have been produced there and matured there. The Scottish Whiskey is distilled twice while the Irish Whiskey is distilled three times. The type of materials that are used for the two is also very different.
The Scotch Whiskey makes use of wholly malted barley while the Irish Whiskey makes use of kiln-dried grain. The materials that are used will give these two types of Whiskey the type of taste that people may want. This explains why there are some people who prefer a certain type of Whiskey over another.