Early-attested site in the Parish of Throwleigh
- Wnston 1238 Ass
- Woneston 1244,1254 Ass
- Wonstone 1333 SR
- atte Wonston 1374 SR
The last form shows that the first element must be a descriptive epithet and not a pers. name. Possibly the name goes back to OE æt wō (ga )n stāne , 'at the crooked stone,' cf. Windbow supra 420, and Langstone close at hand.