Immigration Timeline

A devastating fungus destroys Ireland’s potato crop, leading to starvation, poverty, and emigration. About 500,000 Irish immigrate to the U.S. during the 1840s. By 1850, the Irish comprise the second largest immigrant group in Marion County, making up 5.1 percent of the population. Foreign-born residents make up 15.6 percent of the county’s total population. 

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