Genealogy Q&A: Explaining Scotch, Scottish and Scots-Irish

Genealogy Q&A: Explaining Scotch, Scottish and Scots-Irish

Not certain what Scots-Irish really means? Get expert answers on the proper terminology when referring to your Scots-Irish ancestors.


Q. A 1755 Virginia militia muster roll has “Scotch,” “Scottish,” “Irish” and “English” as places of origin. Is “Scotch” always short for Scotch-Irish, or might Scotch and Scottish be used interchangeably?

A. Although the Oxford English Dictionary states that “Scotch-Irish” was first used in 1744, nearly the time of your militia roll, earlier examples abound. The first known colonial reference appears in Maryland in 1689. From 1717 until the American Revolution, more than a quarter-million “Scotch-Irish” immigrated to North America—but keep in mind they came from Ireland, not Scotland.

They descended from about 200,000 Scottish Lowland Presbyterians who relocated to Ulster, in northern Ireland, with the encouragement of the Protestant British government. Britain hoped the Scottish “plantations” would tighten its grip on mostly Catholic Ireland.

When they migrated again across the Atlantic, these ethnic Scots from Ulster were typically referred to as Irish, given their most recent home for as much as a century. It was only after large-scale Irish migration began that these Protestants widely adopted the “Scotch” (or “Scots”) qualifier, to distinguish themselves from the new Catholic arrivals. Eventually, nearly 2 million “Scotch-Irish” left Ulster for North America.

The term Scotch-Irish, though common in the United States, is all but unknown in England, Scotland and Ireland. Today, the people of Scotland prefer the terms Scottish and Scots, using Scotch exclusively to refer to whiskey. We can only guess what the recorders of your 1755 muster roll might’ve been thinking, but it’s certainly possible that both Scotch and Irish referred to what we now call “Scotch-Irish.” Indeed, given the era and these immigrants’ recent history, Irish was probably the preferred term; only a few Irish from outside Ulster had arrived by 1755.

scots-irish explained
Whether you say “Scots-Irish,” “Scotch-Irish” or “Ulster Scots,” these guides will help you trace your heritage:
From the May/June 2017 Family Tree Magazine


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  1. I have been told that Scotch is a whiskey, but Scot is an ethnicty along with Scots-Irish!
    (Apologies to the Oxford English dictionary), the latter being Scots who migrated into Northern Ireland before emigrating to America.