 Brashear was founded in 1868, and it was named for Joseph Brashear, who surveyed the townsite with settlement and foundation.The area was part of the Wise Ranch in 1898, when G. W. Mahoney bought the ranch, divided it into small farms, laid out the townsite, and donated land for a school, a church, and a cemetery.A post office was established at Brashear in 1899, with W. G. Crain as postmaster.