Henry Booth Cowles was a U.S. Representative

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 from New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

.

Born in Hartford, Connecticut

Hartford, Connecticut

Hartford is the capital of the U.S. state of Connecticut. The seat of Hartford County until Connecticut disbanded county government in 1960, it is the second most populous city on New England's largest river, the Connecticut River. As of the 2010 Census, Hartford's population was 124,775, making...

, Cowles moved with his father to Dutchess County, New York

Dutchess County, New York

Dutchess County is a county located in the U.S. state of New York, in the state's Mid-Hudson Region of the Hudson Valley. The 2010 census lists the population as 297,488...

, in 1809.
He was graduated from Union College

Union College

Union College is a private, non-denominational liberal arts college located in Schenectady, New York, United States. Founded in 1795, it was the first institution of higher learning chartered by the New York State Board of Regents. In the 19th century, it became the "Mother of Fraternities", as...

, Schenectady, New York

Schenectady, New York

Schenectady is a city in Schenectady County, New York, United States, of which it is the county seat. As of the 2010 census, the city had a population of 66,135...

, in 1816.
He studied law.
He was admitted to the bar

Admission to the bar in the United States

In the United States, admission to the bar is the granting of permission by a particular court system to a lawyer to practice law in that system. Each U.S. state and similar jurisdiction has its own court system and sets its own rules for bar admission , which can lead to different admission...

 and commenced practice in Putnam County.
He served as member of the State assembly 1826-1828.

Cowles was elected as an Anti-Jacksonian to the Twenty-first

21st United States Congress

-House of Representatives:-Leadership:- Senate :* President: John C. Calhoun * President pro tempore: Samuel Smith - House of Representatives :* Speaker: Andrew Stevenson -Members:This list is arranged by chamber, then by state...

 Congress (March 4, 1829 – March 3, 1831).
He moved to New York City in 1834 and practiced law until his death there on May 17, 1873.
He was interred in Rhinebeck Cemetery, Rhinebeck, New York.