Yes, when you say Scotch-Irish you are actually saying whiskey Irish.
And the Scottish people refer to themselves as Scots, Scotsmen or Scotswomen not Scotch.
“Yes, when you say Scotch-Irish you are actually saying whiskey Irish.”
Looking at it from that perspective, aren’t you saying whiskey-whiskey?
“And the Scottish people refer to themselves as Scots, Scotsmen or Scotswomen not Scotch.”
Scotch-Irish is an Americanism, recognized in Ulster/Northern Ireland but disdained in Scotland.