CRASSWALL, a chapelry in the parish of CLODOCK,
hundred of EWYASLACY, county of HEREFORD,
5 miles (S. E.) from Hay, containing 374 inhabitants.
The living is a perpetual curacy, in the archdeaconry of
Brecon, and diocese of St. David, endowed with £200
royal bounty, and in' the patronage of the Earl of Oxford.
The chapel is dedicated to St. Mary. About the
close of the reign of King John a monastery was founded
here, probably by Walton' de Lacy, for a prior and
ten religious of the order of Grandmont in Normandy:
at the seizure of Alien priories it was valued at 4Qs. per
annum, and granted, in the 2nd of Edward IV., to
God's House, now Christ's College, Cambridge. There
is a fine stone quarry in the neighbourhood.