Dillington is a hamlet of Gt Staughton, whose parish register hasn't been extracted onto the IGI or BVRI, nor is a transcript available from Hunts FHS. The good news that they have been filmed by the LDS so are available to order and view at your nearest LDS Family History Centre - there is one in Toulouse
There's a marriage in St Neots in 1809 between James Cope of Gt Staughton and Mary Mehew of St Neots
David, just along the road in Carcassonne