BOURNE or BOURN, urban district of Kesteven, south Lincolnshire, England; lying in a fenny district 95m. N. by W. of London. Pop. (1931) 4,889. The church of St. Peter and St. Paul is Norman with Early English and later additions; it is part of a monastic church belonging to a foundation of Augustinian canons of 1138, of which the other buildings have almost wholly disappeared. Trade is principally agricultural. Bourne is famous through its connection with the ardent opponent of William the Conqueror, Hereward the Wake. Of his castle very slight traces remain. The Red hall, which now forms part of the railway sta tion buildings, belonged to the family of Digby. The station is a junction of the L.N.E. and of the Midland and Great Northern Joint railways.