Brimfield is a town in Hampden County, Massachusetts, United States. Brimfield was first settled in 1706 and was officially incorporated in 1731. Until 1812, Brimfield was originally part of Hampshire County. The original Hampshire County included territory that is now in modern-day Hampden County, Franklin County, and Berkshire County as well as small parts of modern-day Worcester County.
- December 24, 1731, Brimfield was established as a town.
- January 16, 1742, a part of Brimfield was included in the new town of Western (now Warren, Worcester County).
- April 23, 1760, a part of Brimfield was annexed to Palmer.
- April 28, 1760, a part of Brimfield was established as the district of Monson.
- September 18, 1762, a part of Brimfield was established as the district of South Brimfield.
- February 7, 1763, boundary lines were definitely established.
- Partridge's found in the Vital Records of Brimfield, Massachusetts to the year 1850
- Brimfield (1931). Vital records of Brimfield, Massachusetts, to the year 1850, pp. 117, 229-230, 317. Boston, Mass. : Published by the New-England Historic Genealogical Society at the charge of the Eddy Town-Record Fund.