Stephen Wallace Dempsey was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 Republican

Republican Party (United States)

The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

 politician

Politician

A politician, political leader, or political figure is an individual who is involved in influencing public policy and decision making...

. He was a member of the United States House of Representatives

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...

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Born in Hartland, New York

Hartland, New York

Hartland is a town in Niagara County, New York, USA.The population was 4,117 at the 2010 census.The town is named after Hartland, Vermont, the homeplace of some early settlers.The Town of Hartland is on the eastern border of the county.- History :...

, Dempsey was an assistant United States Attorney

United States Attorney

United States Attorneys represent the United States federal government in United States district court and United States court of appeals. There are 93 U.S. Attorneys stationed throughout the United States, Puerto Rico, the U.S. Virgin Islands, Guam, and the Northern Mariana Islands...

 from 1899 to 1907. He was a special assistant to the Attorney General from 1907 to 1912 and was in charge of the prosecutions of Standard Oil

Standard Oil

Standard Oil was a predominant American integrated oil producing, transporting, refining, and marketing company. Established in 1870 as a corporation in Ohio, it was the largest oil refiner in the world and operated as a major company trust and was one of the world's first and largest multinational...

 and certain railroad companies

Railway company

A railway company or railroad company is an entity that operates a railroad track and/or trains. Such a company can either be private or public...

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In 1914, Dempsey was elected to Congress

United States Congress

The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

 and served from March 4, 1915 to March 3, 1931.

S. Wallace Dempsey died at age 86 in Washington, D.C.

Washington, D.C.

Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

 He is interred in Rock Creek Cemetery

Rock Creek Cemetery

Rock Creek Cemetery — also Rock Creek Church Yard and Cemetery — is an cemetery with a natural rolling landscape located at Rock Creek Church Road, NW, and Webster Street, NW, off Hawaii Avenue, NE in Washington, D.C.'s Michigan Park neighborhood, near Washington's Petworth neighborhood...

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