BYGRAVE, a parish, in the union of Hitchin, hundred of Odsey, county of Hertford, 2 miles (N. E. by N.) from Baldock; containing 154 inhabitants. It comprises by computation 1620 acres, about 100 of which are pasture. The living is a rectory, valued in the king's books at £17. 9. 7.; net income, £377; patron, the Marquess of Salisbury.