Early-attested site in the Parish of St Martha's
- Celeorde 1086 DB
- Chelewurth 1167–77 Merton 1235 FF
- Chelewrth(e) 1224 Bracton 1225 Ass
- Cheleworth 1232 Cl 1272 Ass
- Winton, Chelworth 1383 Ct
- Chylworthe 1556 ADv.
Chilworth is Celeorde 1086 DB, Chelewurth 1167–77 Merton, 1235 FF, Chelewrth (e )1224 Bracton, 1225Ass , Cheleworth 1232 Cl, 1272Ass , 1283 Winton , Chelworth 1383Ct , Chylworthe 1556 AD v. This is probably 'Cēola 's farm,' v. worþ . Alternatively, the first element might be OE cēole , 'throat,' used in some topographical sense, the place lying in the narrow valley between St Martha's and the greensand ridge to the south.