Leo William O'Brien was a Democratic

Democratic Party (United States)

The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

 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...

.

O'Brien was born in Buffalo, New York

Buffalo, New York

Buffalo is the second most populous city in the state of New York, after New York City. Located in Western New York on the eastern shores of Lake Erie and at the head of the Niagara River across from Fort Erie, Ontario, Buffalo is the seat of Erie County and the principal city of the...

. He graduated from Niagara University

Niagara University

Niagara University is a Catholic university in the Vincentian tradition, located in the Town of Lewiston in Niagara County, New York. Originally founded by the Congregation of the Mission in 1856 as Our Lady of Angels Seminary, it became Niagara University in 1883. The University is still run by...

 in 1922. He was elected to Congress in 1952 to fill the vacancy caused by the death of William T. Byrne

William T. Byrne

William Thomas Byrne was a United States Representative from New York.-Biography:Born in the town of Florida, Montgomery County, New York he attended the public schools and graduated from Albany Law School, a branch of Union University, in 1904. He was admitted to the bar the same year and...

 and served from April 1, 1952 until his resignation on December 30, 1966. He was chair of the Albany County

Albany County, New York

Albany County is a county located in the U.S. state of New York, and is part of the Albany-Schenectady-Troy Metropolitan Statistical Area. The name is from the title of the Duke of York and Albany, who became James II of England . As of the 2010 census, the population was 304,204...

 Planning Board and Adirondack

Adirondack Mountains

The Adirondack Mountains are a mountain range located in the northeastern part of New York, that runs through Clinton, Essex, Franklin, Fulton, Hamilton, Herkimer, Lewis, Saint Lawrence, Saratoga, Warren, and Washington counties....

 Study Commission. He died in Albany, New York

Albany, New York

Albany is the capital city of the U.S. state of New York, the seat of Albany County, and the central city of New York's Capital District. Roughly north of New York City, Albany sits on the west bank of the Hudson River, about south of its confluence with the Mohawk River...

 and was buried in St. Agnes Cemetery

St. Agnes Cemetery

St. Agnes Cemetery, established in 1867, is a Roman Catholic cemetery operated for the religious and charitable purposes of the Roman Catholic Church through the burial and memorialization of the faithful departed. Located in Menands, New York, St. Agnes is one of the Capital Regions most active...

.

The United States federal building in Albany, New York

Albany, New York

Albany is the capital city of the U.S. state of New York, the seat of Albany County, and the central city of New York's Capital District. Roughly north of New York City, Albany sits on the west bank of the Hudson River, about south of its confluence with the Mohawk River...

is named after him.