Between 1820 and 1957, over 4.6 million people emigrated from the island of Ireland to the United States. The period with the highest levels of migration came between 1845 and 1855 , as the Great Famine devastated Ireland's population, causing the deaths of roughly one million people and leading to the migration of one million more, most of which was to the United States. The period with the lowest levels of migration came in the 1930s and 40s, as the Great Depression and Second World War created an environment where migration to the US was difficult or impractical.
Number of migrants from the island of Ireland documented in United States between 1820 and 1957
Year
Number of migrants
1957
8,227
1956
5,607
1955
5,222
1954
4,655
1953
4,304
1952
3,526
1951
3,144
1950
5,842
1949
8,678
1948
7,534
1947
2,574
1946
1,816
1945
427
1944
112
1943
165
1942
83
1941
272
1940
839
1939
1,189
1938
1,085
1937
531
1936
444
1935
454
1934
443
1933
338
1932
539
1931
7,305
1930
23,445
1929
19,921
1928
25,268
1927
28,545
1926
24,897
1925
26,650
1924
17,111
1923
15,740
1922
10,579
1921
28,435
1920
9,591
1919
474
1918
331
1917
5,406
1916
8,639
1915
14,185
1914
24,688
1913
27,876
1912
25,879
1911
29,112
1910
29,855
1909
25,033
1908
30,556
1907
34,530
1906
34,995
1905
52,945
1904
36,142
1903
35,310
1902
29,138
1901
30,561
1900
35,730
1899
31,673
1898
25,128
1897
28,421
1896
40,262
1895
46,304
1894
30,231
1893
43,578
1892
51,383
1891
55,706
1890
53,024
1889
65,557
1888
73,513
1887
68,370
1886
49,619
1885
49,619
1884
51,795
1883
63,344
1882
81,486
1881
76,432
1880
71,603
1879
20,013
1878
15,932
1877
14,569
1876
19,575
1875
37,957
1874
53,707
1873
77,344
1872
68,732
1871
57,439
1870
56,996
1869
40,786
1868
32,068
1867
72,879
1866
36,690
1865
29,772
1864
63,523
1863
55,916
1862
23,351
1861
23,797
1860
48,637
1859
35,216
1858
26,873
1857
54,361
1856
54,349
1855
49,627
1854
101,606
1853
162,649
1852
159,548
1851
221,253
1850
164,004
1849
159,398
1848
112,934
1847
105,536
1846
51,752
1845
44,821
1844
33,490
1843
19,670
1842
51,342
1841
37,772
1840
39,430
1839
23,963
1838
12,645
1837
28,508
1836
30,578
1835
26,927
1834
24,474
1833
8,648
1832
12,436
1831
5,772
1830
2,721
1829
7,415
1828
12,488
1827
9,766
1826
5,408
1825
4,888
1824
2,345
1823
1,908
1822
2,267
1821
1,518
1820
3,614
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US Department of Commerce, & US Census Bureau. (August 29, 2019). Number of migrants from the island of Ireland documented in United States between 1820 and 1957 [Graph]. In Statista. Retrieved November 21, 2024, from https://www.statista.com/statistics/1044511/migration-ireland-to-us-1820-1957/
US Department of Commerce, und US Census Bureau. "Number of migrants from the island of Ireland documented in United States between 1820 and 1957." Chart. August 29, 2019. Statista. Accessed November 21, 2024. https://www.statista.com/statistics/1044511/migration-ireland-to-us-1820-1957/
US Department of Commerce, US Census Bureau. (2019). Number of migrants from the island of Ireland documented in United States between 1820 and 1957. Statista. Statista Inc.. Accessed: November 21, 2024. https://www.statista.com/statistics/1044511/migration-ireland-to-us-1820-1957/
US Department of Commerce, and US Census Bureau. "Number of Migrants from The Island of Ireland Documented in United States between 1820 and 1957." Statista, Statista Inc., 29 Aug 2019, https://www.statista.com/statistics/1044511/migration-ireland-to-us-1820-1957/
US Department of Commerce & US Census Bureau, Number of migrants from the island of Ireland documented in United States between 1820 and 1957 Statista, https://www.statista.com/statistics/1044511/migration-ireland-to-us-1820-1957/ (last visited November 21, 2024)
Number of migrants from the island of Ireland documented in United States between 1820 and 1957 [Graph], US Department of Commerce, & US Census Bureau, August 29, 2019. [Online]. Available: https://www.statista.com/statistics/1044511/migration-ireland-to-us-1820-1957/