MIMMS (NORTH), a parish in the hundred of DACORUM, though locally in that of Cashio, or liberty of St-Alban's, county of HERTFORD, 4 miles (S. S.W.) from Bishop's Hatfield, containing 1007 inhabitants. The living is a discharged vicarage, in .the archdeaconry of Huntingdon, and diocese of Lincoln, rated in the king's books at £10, endowed with £200 private benefaction, and £200 royal bounty, and in the patronage of Mrs. Gaussen. The church, dedicated to St. Mary, is built of flints, with a square tower embattled, and surmounted by a lofty spire; it contains many effigies, and brasses with inscriptions in black letter, and other ancient memorials of the dead. On the north Side of the chancel is the chantry chapel of St. Catherine, founded in 1328, by Simon de Swonlond, the windows of which exhibit, in stained glass, various shields and coats of arms, principally of the Coningsby family.