History of U.S. Consular and Diplomatic Posts in Ontario

• Algoma Consular Agency 1888-1893
• Amherstburg Consular Agency 1866-1882
  Consulate 1882-1906
• Arnprior Consular Agency 1895-1919
• Barrie Consular Agency 1890-1907
• Belleville Consular Agency 1866-1879
  Consulate 1879-1908
• Brantford Consular Agency 1866-1906
• Brockville Consular Agency 1869-1888
  Consulate 1888-1906
• Carleton Place Consular Agency 1890-1896
• Chatham/Newcastle Consular Agency 1863-1879
  Consulate 1879-1906
• Clifton Consular Agency 1861-1864
  Consulate 1864-1899
• Clinton Consular Agency 1890-1909
• Coburg Consular Agency 1867-1889
• Collingwood Commercial Agency 1879-1899
  Consulate 1899-1908
• Cornwall Commercial Agency 1901-1906
  Consulate 1906-1923
• Courtwright Consular Agency 1882-1907
• Deseranto Consular Agency 1885-1911
• Duart Consular Agency 1873-1876
• Fort Erie Consulate 1865-1916, June-Sept. 1940
• Fort William Consular Agency 1895-1915
  Consulate 1915-1948
• Galt Consular Agency 1887-1925
• Gananoque Consular Agency 1866-1899
• Goderich Consulate 1864-1877
  Commercial Agency 1877-1906
• Gore Bay Consular Agency 1887-1888
• Guelph Consular Agency 1866-1883
  Consulate 1883-1906
• Hamilton Consular Agency 1861-1867
  Consulate 1867-1953
• Hinchenbrook Consular Agency 1883-1896
• Kingston Consular Agency 1861-1864
  Consulate 1864-1940
• Lindsay Consular Agency 1889-1906
• London Consular Agency 1866-1885
  Commercial Agency 1885-1893
  Consulate 1893-1940
• Midland Consular Agency 1901-1914
• Mill Point Consular Agency 1877-1881
• Morpeth Consular Agency 1861-1865
• Morrisburgh Consular Agency 1870-1882
  Commercial Agency 1882-1901
• Napanee Consular Agency 1866-1877
• Niagara Falls Consulate 1899-1959
• North Bay Consular Agency 1894-1920
  Vice Consulate 1920-1930
  Consulate 1930-1933
• Orillia Consular Agency 1879-1890
  Commercial Agency 1890-1900
  Consulate 1900-1916
• Oshawa Consular Agency 1895-1902
• Ottawa Consular Agency 1866-1877
  Commercial Agency 1877-1888
  Consulate 1888-1889
  Consulate General 1889-1927
  Legation 1927-1943
  Embassy 1943-present
• Owen Sound Commercial Agency 1890-1908
  Consulate 1908-1915
• Paris Consular Agency 1866-1906
• Parry Sound Consular Agency 1890-1913
• Peterborough Consular Agency 1888-1905
  Commercial Agency 1905-1925
• Picton Consular Agency 1867-1908
• Port Arthur Consular Agency 1886-1910
  Consulate 1915-1948
• Port Hope Consular Agency 1866-1882
  Commercial Agency 1882-1900
  Consulate 1900-1908
• Port Rowan Consular Agency 1866-1882
  Commercial Agency 1882-1906
  Consulate 1906-1908
• Port Sarnia/Sarnia Consulate 1864-1933; 1940-1948
• Port Stanley Consular Agency 1866-1878
  Commercial Agency 1878-1905
• Prescott Consulate 1864-1930
• Rat Portage/Kenora Consular Agency 1893-1947
• St. Catharines Consular Agency 1868-1906
• St. Thomas Consulate 1905-1906
• Sault Ste. Marie Commercial Agency 1891-1906
  Consulate 1906-1937, June-Sept. 1940
• Smith's Falls Consular Agency 1877-1885
• Stratford Consular Agency 1867-1887
  Consulate 1887-1906
• Sudbury Consular Agency 1898-1914
• Toronto Consulate 1864-1935
  Consulate General 1935-present
• Trenton Consular Agency 1887-1905
• Wallaceburg Commercial Agency 1886-1906
• Waubaushene Commercial Agency 1890-1901
• Whitby Consular Agency 1873-1893
• Wiarton Consular Agency 1890-1903
• Windsor Consulate 1864-1876
  Commercial Agency 1877-1882
  Consulate 1882-1970
• Wingham Consular Agency 1890-1899

Prepared by the Office of the Historian, Bureau of Public Affairs, U.S. Department of State The records of these consulates and consular agencies through the late 1960s are in the custody of the U.S. National Archives and Records Administration.