Scotch-Irish Canadians are those who are Ulster Scots or those who have Ulster Scots ancestry who live in or were born in Canada. Ulster Scots are Lowland Scots and Northern English people who immigrated to the Irish Province of Ulster in 1690. This was known as the Plantation of Ulster.Scotch-Irish Canadians, originating from Scotland, observe many of the same customs and traditions. The surnames of Ulster Scots are similar to those of Scots and many derive form Scottish clans.