William Henry Flack 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...

.

Career

Flack attended public schools. He became interested in lumbering and tanning. He had some family members in Indiana West of the downtown area known as Flackville. He was Supervisor of the town of Waverly for seven years and chairman of the board for two years.
He was the county clerk of Franklin County from 1898 to 1902, and reelected in 1900. He served as chairman of the Republican county committee 1898-1902. He served as trustee of the village of Malone and elected president of said village in 1902.

Flack was elected as a 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...

 representative to 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...

 for the congressional district formed from the 26th District (Essex, New York

Essex County, New York

Essex County is a county located in the U.S. state of New York. As of the 2010 census, the population was 39,370. Its name is from the English county of Essex. Its county seat is Elizabethtown...

, Franklin, New York

Franklin County, New York

Franklin County is a county located in the U.S. state of New York. As of the 2010 census, the population was 51,599. It is named in honor of American Founding Father Benjamin Franklin...

, Clinton, New York

Clinton County, New York

Clinton County is a county located in the U.S. state of New York. As of the 2010 census, the population was 82,128. Its name is in honor of the first Governor of New York as a state, George Clinton. Its county seat is Plattsburgh.-History:...

 and St. Lawrence, New York

St. Lawrence County, New York

St. Lawrence County is a county located in the U.S. state of New York. As of the 2010 census, the population was 111,944. The county seat is Canton. The county is named for the Saint Lawrence River, which in turn was named for the Catholic saint on whose Feast day the river was discovered by...

) to the Fifty-eighth

58th United States Congress

- House of Representatives :* Republican : 209 * Democratic : 176* Silver Republican : 1TOTAL members: 386-Senate:* President: Vacant* President pro tempore: William P. Frye -Members:...

 and Fifty-ninth

59th United States Congress

The Fifty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1905 to March 4, 1907, during the fifth and sixth...

Congresses and served from March 4, 1903, until his death. He was interred in Morningside Cemetery.