OSMASTON, a parish in the hundred of APPLETREE, county of DERBY, 2 miles (S.E. by S.) from Ashbourn, containing 296 inhabitants. The living is a perpetual curacy, in the archdeaconry of Derby, and diocese of Lichfield and Coventry, and in the patronage of the Rector of Brailsford. The church, dedicated to St. Martin, has lately received an addition of forty-eight free sittings, the Incorporated Society for the enlargement of churches and chapels having granted £50 towards defraying the expense.