Potato blight plus landlordism emptied mid-century Ireland
The Great Famine—an Gorta Mór, the Great Hunger, or Irish Potato Famine—was mass starvation and disease in Ireland from eighteen forty-five to eighteen fifty-two. Western and southern Irish-speaking districts suffered worst, etching the disaster into folk memory as a social and demographic rupture.
Eighteen forty-seven, “Black ’47,” was the nadir. On the eve Ireland held about eight and a half million people; roughly one million died and over one million emigrated, cutting population by twenty to twenty-five percent between eighteen forty-one and eighteen seventy-one, with some towns down as much as sixty-seven percent. Between eighteen forty-five and fifty-five at least two point one million left—one of history’s great exoduses—producing about two million refugees and a century of further decline.
Proximate cause was potato blight across Europe, which also killed about one hundred thousand outside Ireland and fed unrest toward the eighteen forty-eight revolutions. Scale in Ireland reflected absentee landlordism and dangerous monoculture. Early relief was constructive but limited; incorporation into the United Kingdom since eighteen oh one left executive power with a Lord Lieutenant and Chief Secretary while Ireland sent one hundred five MPs to Commons.
Benjamin Disraeli in eighteen forty-four already sketched a starving populace, absentee aristocracy, alien Protestant church, and weak executive. One tally counted one hundred fourteen commissions and sixty-one special committees on Ireland between eighteen oh one and forty-five—inquiry without rescue. The famine permanently rewired demography, politics, and diaspora identity, and further soured many Irish toward British rule.
The land system set the trap. Population had climbed from about two million in 1700 to roughly eight million by the 1840s, and holdings were split again and again: by 1845 almost a quarter of tenant farms covered just one to five acres, and another 40 percent only five to fifteen, too little for anything but potatoes to feed a family. Most tenants could be evicted at will, and any improvement they made passed to the landlord, except in Ulster, where a custom called tenant right paid compensation. Many owners lived in England; around £6 million in Irish rents left the country in 1842 alone. When a new Whig government in London embraced laissez-faire doctrine, even the limited early relief was halted.
Source: Great Famine (Ireland)
