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Investigating the Overlooked

Region What Who For Analysis
Immigration Trends
Suffolk County (MA)
Top countries of origin for this county's foreign-born population, decade by decade, 1900-1960 -- the same IPUMS NHGIS census tables behind Population Trends, read for country-of-birth instead of race. No comparable county-level series exists past 1960 in this data (same real gap Population Trends names for its own 1960-2023 span).
1960
361,493 foreign-born residents on file this year
Ireland (Eire)
78,029
Italy
72,231
Canada
63,064
U.S.S.R.
41,678
United Kingdom
22,686
1950
164,946 foreign-born residents on file this year
Italy
28,960
Ireland (Eire)
28,666
The U.S.S.R.
27,507
Canada - other
27,425
Poland
7,333
1940
205,333 foreign-born residents on file this year
Irish Free State (Eire)
36,071
Russia (U.S.S.R.)
35,917
Italy
35,479
Canada (other)
32,666
England
8,402
1930
259,655 foreign-born residents on file this year
Canada
50,606
Irish Free State
45,684
Italy
40,798
Russia
40,563
Poland
13,284
1920
268,202 foreign-born residents on file this year
Ireland
59,449
Russia
49,099
Canada
46,115
Italy
42,053
England
14,292
1910
320,374 foreign-born residents on file this year
Ireland
68,641
Canada
55,370
Canada (other)
51,732
Russia
49,386
Italy
33,084
1900
226,385 foreign-born residents on file this year
Ireland
73,501
Canada (English)
53,010
Russia
16,938
England
14,834
Italy
13,992