Early-attested site in the Parish of Framfield
- Eston(e) 1327,1332 SR 1527 LewesDeeds
- Esteton 1340 NI
- Eston Grene 1543 Ct
- Easons al. Sharpes Fm 1686 FM
Eason's Green is Eston (e )1327, 1332 SR (p), 1527Lewes Deeds , Esteton 1340 NI (p), Eston Grene 1543Ct , Easons al. Sharpes Fm 1686FM . 'East farm,' v. tun , perhaps with reference to Little Horsted, of which Eston was a sub-manor.