SIBBERTOFT, a parish in the hundred of ROTHWELL, county of NORTHAMPTON, 5 miles (S. W.) from Market-Harborough, containing 406 inhabitants. The living is a vicarage, annexed to that of Welford, in the archdeaconry of Northampton, and diocese of Peterborough, rated in the king's books at £6. 4. 9. The church is dedicated to St. Helen. There is a place of worship for Wesleyan Methodists. A spot here, called Castle-yard, is supposed to be the site of an ancient castle.