COLBY, a parish in the southern division of the hundred of ERPINGHAM, county of NORFOLK, 3 miles (N. E. by N.) from Aylsharn, containing 267 inhabitants. The living is a discharged rectory, in the archdeaconry and diocese of Norwich, rated in the king's books at £8.15.10., and in the patronage of Lord Suffield. The church is dedicated to St. Giles.