St Oswalds, Walcott, Lincolnshire. The Anglican parish church at Walcott (sometimes spelt Walcot - ancient spelling Walcoate) is dedicated to St Oswald. The church falls within the parish of the neighbouring village of Billinghay (some 2 miles SE) and in various places is referred to as a chapel or in the index to parish returns towards the rebuilding of St Paul’s Cathedral (1678) a chapelry.