Here is a taste:
From 1700 to the present, fully ten million Irish men, women and children left Ireland and settled abroad. Remarkably, this figure is more than twice the population of the Republic of Ireland today (4.8 million). It exceeds the population of the island of Ireland, north and south (6.6 million). And it is greater than the population of Ireland at its peak in 1845, on the eve of the Famine (8.5 million). Some 70 million people worldwide claim Irish descent, more than half of them in the United States, where Irish is the second most common ancestry after German.
In the United States, the Irish found a kind of mirror, or complement: a nation of immigrants for a nation of emigrants. Most people know about America’s distinctive claims to be a nation composed of immigrants. Ireland’s status as the nation of emigrants to the modern world is less well-known but perhaps as unique and historic. For most of the 19th and 20th centuries, Ireland had the highest emigration rate in Europe.
How are we to explain a historical phenomenon of this scale and impact? Irish emigration unfolded within two overlapping contexts: empire and diaspora. The imperial context helps to explain why people left Ireland and where they settled abroad. But only when empire is combined with the idea of diaspora do the full dimensions of Irish emigration emerge.
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