Scotch-Irish or Scots-Irish may refer to:
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Ulster Scots people
The Ulster Scots ( Ulster-Scots: ''Ulstèr-Scotch''; ga, Albanaigh Ultach), also called Ulster Scots people (''Ulstèr-Scotch fowk'') or (in North America) Scotch-Irish (''Scotch-Airisch''), are an ethnic group in Ireland, who speak an Ulst ...
, an ethnic group in Ulster, Ireland, who trace their roots to settlers from Scotland
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Scotch-Irish Americans
Scotch-Irish (or Scots-Irish) Americans are American descendants of Ulster Protestants who emigrated from Ulster in northern Ireland to America during the 18th and 19th centuries, whose ancestors had originally migrated to Ireland mainly from t ...
, descendants of Ulster Scots who first migrated to America in large numbers in the 18th and 19th centuries
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Scotch-Irish Canadians, descendants of Ulster Scots who migrated to Canada
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