Early-attested site in the Parish of Sawley and Wilsthorpe
- Westorp 1188,1194 P
- West(t)horp(e) 1258 Ass 1362 Fine 1363 Orig 1487 AD 1589,1592 FF
- Westtorp 1258 Ass
- Westroppe 1360,1593 FF
Westhorpe (lost), Westorp 1188, 1194 P (p), West (t )horp (e )1258 Ass, 1362 Fine, 1363 Orig, 1487AD , 1589, 1592FF , Westtorp 1258 Ass, Westroppe 1360, 1593FF . 'West outlying farmstead', v. west , þorp . In early references it is associated with Wilsthorpe infra 500 and is no doubt west in relation to that place.