Osmyn Baker 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 Massachusetts

Massachusetts

The Commonwealth of Massachusetts is a state in the New England region of the northeastern United States of America. It is bordered by Rhode Island and Connecticut to the south, New York to the west, and Vermont and New Hampshire to the north; at its east lies the Atlantic Ocean. As of the 2010...

.

Born in Amherst, Massachusetts

Amherst, Massachusetts

Amherst is a town in Hampshire County, Massachusetts, United States in the Connecticut River valley. As of the 2010 census, the population was 37,819, making it the largest community in Hampshire County . The town is home to Amherst College, Hampshire College, and the University of Massachusetts...

, Baker attended Amherst Academy.
He was graduated from Yale College

Yale College

Yale College was the official name of Yale University from 1718 to 1887. The name now refers to the undergraduate part of the university. Each undergraduate student is assigned to one of 12 residential colleges.-Residential colleges:...

 in 1822.
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 Amherst in 1825.
He served as member of the Massachusetts House of Representatives

Massachusetts House of Representatives

The Massachusetts House of Representatives is the lower house of the Massachusetts General Court, the state legislature of the Commonwealth of Massachusetts. It is composed of 160 members elected from single-member electoral districts across the Commonwealth. Representatives serve two-year terms...

 1833, 1834, 1836, and 1837.
County commissioner of Hampshire County, Massachusetts

Hampshire County, Massachusetts

-Demographics:As of the census of 2000, there were 152,251 people, 55,991 households, and 33,818 families residing in the county. The population density was 288 people per square mile . There were 58,644 housing units at an average density of 111 per square mile...

 1834–1837.

Baker was elected as a Whig

Whig Party (United States)

The Whig Party was a political party of the United States during the era of Jacksonian democracy. Considered integral to the Second Party System and operating from the early 1830s to the mid-1850s, the party was formed in opposition to the policies of President Andrew Jackson and his Democratic...

 to the Twenty-sixth

26th United States Congress

-House of Representatives:- Leadership :- Senate :*President: Richard M. Johnson *President pro tempore: William R. King - House of Representatives :*Speaker: Robert M.T. Hunter -Members:This list is arranged by chamber, then by state...

 Congress to fill the vacancy caused by the death of James C. Alvord.
Baker was reelected to the Twenty-seventh

27th United States Congress

The Twenty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1841 to March 3, 1843, during the one-month...

 and Twenty-eighth

28th United States Congress

-House of Representatives:Following the 1840 United States Census, Congress reapportioned the House to include 223 seats . During this congress, one House seat was added for the new state of Florida .- Senate :*President: Vacant...

 Congresses and served from January 14, 1840, to March 3, 1845.
He served as chairman of the Committee on Accounts (Twenty-seventh Congress).
He was not a candidate for renomination in 1844.
He resumed the practice of law at Northampton in 1845.
Baker was the first president of Smith Charities, serving from 1860-1870.
He died in Northampton, Massachusetts

Northampton, Massachusetts

The city of Northampton is the county seat of Hampshire County, Massachusetts, United States. As of the 2010 census, the population of Northampton's central neighborhoods, was 28,549...

, February 9, 1875.
He was interred in Bridge Street Cemetery.