BYRES, a surname derived from a barony in the county of Haddington, which for many centuries belonged to the noble family of Lindsay, ancestor to the earls of Crawford, from whom it was acquired about the beginning of the seventeenth century, by the earl of Haddington, who is baron of Binning and Byres. The barony is now the property of the earl of Hopetoun. [See LINDSAY OF THE BYRES, LORD.]