Deddington is situated 16 1/2 miles north of Oxford and 5 1/2 miles south of Banbury. It includes the hamlets of Clifton and Hempton, and the deserted hamlet of Ilbury.
Many of the records were deposited originally with the Bodleian Library in 1963, 1964, 1971 and 1977 and given the reference MSS D.D.Par Deddington. Further deposits were received as Acc 4986 in April 2002, Acc 5601 in December 2006 and Acc 6524 in December 2016.
Recatalogued by Linda Haynes 2009 with additions by Alison Smith in January 2017.