Braintree, officially the Town of Braintree, is a suburban New England city in Norfolk County, Massachusetts, United States. Although officially known as a town, Braintree adopted a municipal charter, effective 2008, with a mayor-council form of government, and is considered a city under Massachusetts law. The population was 35,744 at the 2010 census. The town is part of the Greater Boston area with access to the MBTA Red Line, and is a member of the Metropolitan Area Planning Commission’s South Shore Coalition. The first and current mayor of Braintree is Joe Sullivan.
Braintree, Massachusetts is named after Braintree, Essex in England. The town was first chartered in 1640. Later, some sections of Braintree formed separate municipalities: Quincy (1792), Randolph (1793), and Holbrook (1872).