HEAP, a chapelry in that part of the parish of BURY which is in the hundred of SALFORD, county palatine of LANCASTER, 3 miles (E.) from Bury, containing 6552 inhabitants. There is a place of worship for Independents andWesleyan Methodists. A National school for five hundred boys, erected in 1815, is supported by subscription. The spinning and manufacture of cotton is carried on to a considerable extent in the chapelry.