Survey of English Place-Names

Historical Forms

• Dideorde 1086 DB

• Didewurth' 1204 P

• Diddewurth' 1204–5 FF 1241 Ass

• Dydewrze 1220 Fees

• Diddeworth' 1224–5 Ass

• Didewurth 1227–8 FF

• Didiwrth' 1247–8 Ass

• Dydeworth 1284 ib

• Diddewrþe, Dudewrth 1294 SR

• Diddeworthe 1316 FA

• Dideworthe 1330 Ipm

• Didworthmauncel 1334 Brocas

• Dideworth Maunsel 1354 ib

• Dedeworth-Loryng 1401 Windsor

Etymology

Dedworth, Dideorde 1086 DB, Didewurth '1204 P, Diddewurth '1204–5FF , 1241Ass , Dydewrze 1220 Fees, Diddeworth '1224–5Ass , Didewurth 1227–8FF , Didiwrth '1247–8Ass , Dydeworth 1284ib , Diddewrþe , Dudewrth 1294SR , Diddeworthe 1316 FA, Dideworthe 1330 Ipm, Didworthmauncel 1334 Brocas, Dideworth Maunsel 1354 ib, Dedeworth -Loryng 1401Windsor , 'Dydda's worð'. Ekwall (DEPN) gives an OE  pers.n. Dydda , which he assumes to be a side-form of Dudda , as the first el. of this name, and of Dedham Ess and Tidenham Gl; v. also Gl 2, 9. Peter de Loring held land here at the beginning of the 13th, and John Maunsell is mentioned in this connection in 1313 (VCH III, 74).