Name | Birthplace (current country) | Then the territory of | State(s) represented | Party | Years |
David H. Armstrong | Canada[a] | United Kingdom of Great Britain and Ireland | Missouri | Democratic | 1877–1879 |
David Baird | United Kingdom[b] | United Kingdom of Great Britain and Ireland | New Jersey | Republican | 1918–1919 |
Edward Baker | United Kingdom | United Kingdom of Great Britain and Ireland | Oregon | Republican | 1860–1861 |
James B. Beck | United Kingdom | United Kingdom of Great Britain and Ireland | Kentucky | Democratic | 1877–1890 |
Judah P. Benjamin | U.S. Virgin Islands [c] | Danish Virgin Islands | Louisiana | Whig | 1853–1859 |
Democratic | 1859–1861 |
Michael Bennet | India | India | Colorado | Democratic | 2009–present |
Hiram Bingham | United States[d] | Kingdom of Hawaii | Connecticut | Republican | 1924–1933 |
Rudy Boschwitz | Germany | Weimar Germany | Minnesota | Republican | 1978–1991 |
Charles Bouligny | United States[e] | Spanish Empire | Louisiana | Democratic-Republican | 1824–1828 |
National Republican | 1828–1829 |
Pierce Butler | Ireland | Kingdom of Ireland | South Carolina | Pro-Administration | 1789–1791 |
Anti-Administration | 1791–1795 |
Democratic-Republican | 1795–1796, 1802–1804 |
George W. Campbell | United Kingdom | Kingdom of Great Britain | Tennessee | Democratic-Republican | 1811–1814, 1815–1818 |
Eugene Casserly | Ireland | United Kingdom of Great Britain and Ireland | California | Democratic | 1869–1873 |
Charles W. Cathcart | Portugal[f] | Kingdom of Portugal | Indiana | Democratic | 1852–1853 |
John Conness | Ireland | United Kingdom of Great Britain and Ireland | California | Democratic | 1863–1869 |
James Couzens | Canada | United Kingdom of Great Britain and Ireland | Michigan | Republican | 1922–1936 |
Ted Cruz | Canada | Canada | Texas | Republican | 2013–present |
James J. Davis | United Kingdom | United Kingdom of Great Britain and Ireland | Pennsylvania | Republican | 1930–1945 |
Jean Destréhan | United States[g] | New France | Louisiana | Democratic-Republican | 1812 |
Tammy Duckworth | Thailand | Thailand | Illinois | Democratic | 2017–present |
Charles E. Dudley | United Kingdom | Kingdom of Great Britain | New York | Jacksonian Democrat | 1829–1833 |
James Graham Fair | United Kingdom | United Kingdom of Great Britain and Ireland | Nevada | Democratic | 1881–1887 |
Eligius Fromentin | France | Kingdom of France | Louisiana | Democratic-Republican | 1813–1819 |
Albert Gallatin | Switzerland[h] | Republic of Geneva | Pennsylvania | Democratic-Republican | 1793–1794[i] |
Jacob Gallinger | Canada[j] | United Kingdom of Great Britain and Ireland | New Hampshire | Republican | 1891–1918 |
Frank Gooding | United Kingdom | United Kingdom of Great Britain and Ireland | Idaho | Republican | 1921–1928 |
William Harper | Antigua and Barbuda[k] | United Kingdom of Great Britain and Ireland | South Carolina | Jacksonian Democrat | 1826 |
S. I. Hayakawa | Canada | Canada | California | Republican | 1977–1983 |
Felix Hebert | Canada | United Kingdom of Great Britain and Ireland | Rhode Island | Republican | 1929–1935 |
Mazie Hirono | Japan | Japan | Hawaii | Democratic | 2013–present |
William Hughes | Ireland | United Kingdom of Great Britain and Ireland | New Jersey | Democratic | 1913–1918 |
James Jackson | United Kingdom | Kingdom of Great Britain | Georgia | Anti-Administration | 1793–1795 |
Democratic-Republican | 1801–1806 |
Magnus Johnson | Sweden | United Kingdoms of Sweden and Norway | Minnesota | Farmer-Labor | 1923–1925 |
Samuel Johnston | United Kingdom | Kingdom of Great Britain | North Carolina | Pro-Administration | 1789–1793 |
Charles Jones | Ireland | United Kingdom of Great Britain and Ireland | Florida | Democratic | 1875–1887 |
John Jones | United Kingdom | United Kingdom of Great Britain and Ireland | Nevada | Republican | 1873–1895 |
Silver | 1895–1901 |
Republican | 1901–1903 |
Thomas Kearns | Canada | United Kingdom of Great Britain and Ireland | Utah | Republican | 1901–1905 |
Octaviano Larrazolo | Mexico | Second Federal Republic of Mexico | New Mexico | Republican | 1928–1929 |
John Laurance | United Kingdom | Kingdom of Great Britain | New York | Federalist | 1796–1800 |
William Lorimer | United Kingdom | United Kingdom of Great Britain and Ireland | Illinois | Republican | 1909–1912 |
Walter Lowrie | United Kingdom | Kingdom of Great Britain | Pennsylvania | Democratic-Republican | 1819–1825 |
Stephen Mallory | Trinidad and Tobago[l] | United Kingdom of Great Britain and Ireland | Florida | Democratic | 1851–1861 |
Lee Mantle | United Kingdom | United Kingdom of Great Britain and Ireland | Montana | Republican | 1895–1896 |
Silver Republican | 1896–1899 |
Mel Martínez | Cuba | Republic of Cuba | Florida | Republican | 2005–2009 |
John McCain | Panama[m] | Panama Canal Zone | Arizona | Republican | 1987–2018 |
James McMillan | Canada[j] | United Kingdom of Great Britain and Ireland | Michigan | Republican | 1889–1902 |
Joseph Millard | Canada[j] | United Kingdom of Great Britain and Ireland | Nebraska | Republican | 1901–1907 |
Robert Morris | United Kingdom | Kingdom of Great Britain | Pennsylvania | Pro-Administration | 1789–1795 |
John Moses | Norway | United Kingdoms of Sweden and Norway | North Dakota | Democratic | 1945 |
James E. Murray | Canada | United Kingdom of Great Britain and Ireland | Montana | Democratic | 1934–1961 |
Knute Nelson | Norway | United Kingdoms of Sweden and Norway | Minnesota | Republican | 1895–1923 |
James Nesmith | Canada[n] | United Kingdom of Great Britain and Ireland | Oregon | Democratic | 1861–1867 |
Samuel Nicholson | Canada[o] | United Kingdom of Great Britain and Ireland | Colorado | Republican | 1921–1923 |
George T. Oliver | United Kingdom | United Kingdom of Great Britain and Ireland | Pennsylvania | Republican | 1909–1917 |
Samuel Pasco | United Kingdom | United Kingdom of Great Britain and Ireland | Florida | Democratic | 1887–1899 |
William Paterson | United Kingdom | Kingdom of Ireland | New Jersey | Pro-Administration | 1789–1790 |
Thomas Patterson | Ireland | United Kingdom of Great Britain and Ireland | Colorado | Democratic | 1901–1907 |
Alexander Porter | Ireland | United Kingdom of Great Britain and Ireland | Louisiana | Whig | 1833–1837 |
Edward Robertson | United Kingdom | United Kingdom of Great Britain and Ireland | Wyoming | Republican | 1943–1949 |
Carl Schurz | Germany[p] | German Confederation | Missouri | Republican | 1869–1870, 1872–1875 |
Liberal Republican | 1870–1872 |
William Joyce Sewell | Ireland | United Kingdom of Great Britain and Ireland | New Jersey | Republican | 1881–1887, 1895–1901 |
James Shields | United Kingdom | United Kingdom of Great Britain and Ireland | Illinois | Democratic | 1849–1855 |
Minnesota | 1858–1859 |
Missouri | 1879 |
Joseph Simon | Germany[q] | Grand Duchy of Hesse | Oregon | Republican | 1898–1903 |
Pierre Soulé | France | First French Republic | Louisiana | Democratic | 1847, 1849–1853 |
Isaac Stephenson | Canada[r] | United Kingdom of Great Britain and Ireland | Wisconsin | Republican | 1907–1915 |
Patrick Joseph Sullivan | Ireland | United Kingdom of Great Britain and Ireland | Wyoming | Republican | 1929–1930 |
George Sutherland | United Kingdom | United Kingdom of Great Britain and Ireland | Utah | Republican | 1905–1917 |
Thomas Taggart | Ireland | United Kingdom of Great Britain and Ireland | Indiana | Democratic | 1916 |
Edward Tiffin | United Kingdom | Kingdom of Great Britain | Ohio | Democratic-Republican | 1807–1809 |
Chris Van Hollen | Pakistan | Pakistan | Maryland | Democratic | 2017–present |
Robert Wagner | Germany | Prussia | New York | Democratic | 1927–1949 |
Patrick Walsh | Ireland | United Kingdom of Great Britain and Ireland | Georgia | Democratic | 1894–1895 |
Lowell Weicker | France | French Third Republic | Connecticut | Republican | 1971–1989 |
George Wetmore | United Kingdom | United Kingdom of Great Britain and Ireland | Rhode Island | Republican | 1895–1907, 1908–1913 |
David Levy Yulee | U.S. Virgin Islands[s] | United Kingdom of Great Britain and Ireland | Florida | Democratic | 1845–1851, 1855–1861 |