Thomas J. O'Brien (Michigan politician)

Thomas J. O'Brien
The Honorable Thomas J. O'Brien, U.S. Ambassador to Japan, in 1910.
United States Ambassador to Italy
In office
November 13, 1911 – September 17, 1913
PresidentWilliam Howard Taft
Preceded byJohn G. A. Leishman
Succeeded byThomas Nelson Page
United States Ambassador to Japan
In office
October 15, 1907 – August 31, 1911
PresidentTheodore Roosevelt
William Howard Taft
Preceded byLuke E. Wright
Succeeded byCharles Page Bryan
United States Minister to Denmark
In office
May 27, 1905 – June 5, 1907
PresidentTheodore Roosevelt
Preceded byLaurits S. Swenson
Succeeded byMaurice Francis Egan
Personal details
BornThomas J. O'Brien
(1842-07-30)30 July 1842
Died19 May 1933(1933-05-19) (aged 90)
PartyRepublican
SpouseDelia Howard O'Brien (1848–1926)
Children2
Alma materUniversity of Michigan
ProfessionPolitician, diplomat
Signature
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Thomas James O’Brien (July 30, 1842 – May 19, 1933) was a politician and diplomat from the U.S. state of Michigan. While serving as Ambassador to Japan, he, along with Japanese Minister for Foreign Affairs Hayashi Tadasu, negotiated the Gentlemen's Agreement of 1907 that addressed the issue of Japanese immigration to the United States and allowed children of Japanese immigrants to attend public schools in California.