Bletsoe, a parish in the county of Bedford, on the river Ouse, and on the M.R., 1 1/2 mile SSE of Sharnbrook railway station, and 6 NNW of Bedford, under which it has a post office; money order and telegraph office, Milton Ernest. Acreage, 2250; population, 337. An old castle, now a farmhouse, was the seat of the ancestors of Lord St John of Bletsoe. The living is a rectory in the diocese of Ely; net yearly value, £279 with residence. Patron, Lord St John. The church, which is an ancient cruciform building chiefly in the Decorated style, contains tombs of the St John family and of Frances, Countess of Bolingbroke. The manor belongs to Lord St John, and from this he takes the title of Baron of Bletsoe.