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Thomas Byrne Dunn (March 16, 1853 in Providence, Rhode Island – July 2, 1924 in Rochester, Monroe County, New York) was an American businessman and politician.

Thomas B. Dunn
T. B. Dunn.jpg
Member of the U.S. House of Representatives
from New York's 38th district
In office
March 4, 1913 – March 3, 1923
Preceded byDistrict created
Succeeded byMeyer Jacobstein
Personal details
Born(1853-03-16)March 16, 1853
Providence, Rhode Island
DiedJuly 2, 1924(1924-07-02) (aged 71)
Rochester, New York
Political partyRepublican


Dunn (left) with Republican boss George Washington Aldridge II, circa 1912.

He moved with his parents to Rochester, N.Y., in 1858. He founded and was President of the T. B. Dunn Company which manufactured perfumes and extracts. He invented the "breath freshener" Sen-Sen.

He was a member of the New York State Senate (45th D.) in 1907 and 1908.

He was New York State Treasurer from 1909 to 1910, elected at the New York state election, 1908 on the Republican ticket.

He was elected as a Republican to the 63rd, 64th, 65th, 66th and 67th United States Congresses, holding office from March 4, 1913 to March 3, 1923. He was an alternate delegate to the 1920 Republican National Convention.

He was interred in a family mausoleum in Mount Hope Cemetery, Rochester. The Tiffany window from the mausoleum is on display at the Memorial Art Gallery, Rochester.


  • United States Congress. "Thomas B. Dunn (id: D000553)". Biographical Directory of the United States Congress.

External linksEdit

Political offices
Preceded by
Irving L'Hommedieu
New York State Senate
45th District

Succeeded by
George L. Meade
Preceded by
Julius Hauser
New York State Treasurer
Succeeded by
John J. Kennedy
U.S. House of Representatives
Preceded by
new district
Member of the U.S. House of Representatives
from New York's 38th congressional district

Succeeded by
Meyer Jacobstein