This isn't a question about typical production: I know that Scotch is often peated while Irish rarely is and that Irish is usually triple-distilled whereas Scotch is usually double-distilled. That's covered well by the question Whiskey - Irish vs. Scottish. This more of a question about whether those processes make a noticable difference to the result.
Imagine a wine tasting: a skilled wine taster can identify the grape(s) and regions from a sip of the wine without seeing the bottle. I guess my question is: could a consuisseur readily identify whether a whiskey was Scotch or Irish from the flavour alone? Are there typical "giveaway" flavours, smells or textures (other than peat) which identify each?
Or, put it another way, if you wanted to showcase a typical range of whiskey styles, could you do it solely with a selection from North America and Scotland, or are there examples made in Ireland of a style unique to that country?