Hi Jayne66,
1841 census for Hook Norton has a Mary Castle, aged 40, Dressmaker
HO 107 Peice; 879, Book; 5 Civil Parish; Hook Norton, Folio; 32, Page; 4, Line; 19
1841 census for Hornton has a John Castle, aged 40, (can't make out occupation)
HO 107 Peice; 875, Book; 15, Civil Parish; Hornton, Folio; 19, Page; 9, Line; 6
Alan