GUILSBOROUGH, a parish in the hundred ot GUILSBOROUGH, county of NORTHAMPTON, 9 miles (N.W. by N.) from Northampton, containing, with the hamlet of Hollowell, 950 inhabitants. The living is a vicarage, in the archdeaconry of Northampton, and diocese of Peterborough, rated in the king's books at £ 17. 3. 4. The Rev. Thomas Sikes was patron in 1792. The church is dedicated to St. Etheldred. Here is a place of worship for Baptists. In 1609, William Gilbert gave £ 100 towards the erection and support of a free school for teaching English, writing, &c., which bequest, with subsequent donations, was laid out in the purchase of the school-house, and of certain -lands now producing £60 per annum, for which income about forty children receive instruction. The free grammar school was erected, in 1668, by Sir John Langham, and endowed by him with £80 a year, for the education of fifty boys. In this parish the rivers Avon and Nen have their sources, and between them are vestiges of a Roman encampment, called Borough Hill, including an area of nearly eight acres.