Major Settlement in the Parish of Isfield
- Isefeld, Isefeud, Ysefeud 1215 FF 1426 IpmR
- Ysfeld 1320 Ipm
- Isfild 1600 MarL
- Isvill 1711 MarC
'Isa's open land,' v. feld , from a pers. name Īsa , of which we have a diminutive Īsel in Idolsfold and Ilsham supra 105, 139. Cf. also Iscombe supra 328 and Iso (Förstemann PN 970).