[Transcribed and edited information from The National Gazetteer of Great Britain and Ireland - 1868]
"SUNDON, a parish in the hundred of Flitt, county Bedford, 4 miles from Dunstable, its post town, and 5 north west of Luton. The village is situated near the ancient Icknield Street, under the chalk hills. The living is a vicarage, annexed to that of Streatley, in the diocese of Ely, value £162. The church is dedicated to St. Mary. The parochial charities produce about £2 per annum. The Wesleyans have a chapel."
"LOWER SUNDON, a hamlet in the parish of Sundon, consists of the vicarage, a handsome house in the Elizabethan style, two farm-houses and a few cottages. ½ mile south east of Upper Sundon"
"UPPER SUNDON, a hamlet in the parish of Sundon, county of Bedfordshire, ½ mile north west of Lower Sundon."
The church of St. Mary is an ancient edifice, chiefly in the Decorated style, and consisting of Perpendicular chancel, nave of four bays, aisles, south chapel or transept and a western tower containing one bell: the font is Early English, and there is an interesting Decorated chest, and on the south door a lock of the same date: there are stone seats round the north aisle, and in part round the south aisle: there are a few marble tablets, inscribed to Catherine Faldo, 1697; Thomas Cheyne esq. 1717; Elizabeth Cheyne, 1700; and Thomas Cheyne, 1677-8 : during some repairs to the floor of the south transept an arched vault was discovered, containing two velvet-covered coffins, respectively inscribed, on silver plates, to the Right Hon. William Clayton, Baron Sundon, of Ardagh, and M.P. for St. Mawes, who died April 29, 1752; and to Lady Charlotte, his wife, who died Jan. 1, 1741: in 1897 these plates were erected as mural tablets: there are 300 sittings. The register dates from the year 1582. [Kelly's Directory - Bedfordshire - 1898]
Here are Wesleyan and Baptist chapels. [Kelly's Directory - Bedfordshire - 1898]