English Place-name Society

Survey of English Place-Names

A county-by-county guide to the linguistic origins of England’s place-names – a project of the English Place-Name Society, founded 1923.


Early-attested site in the Parish of Above Derwent

Historical Forms

  • Thorn(e)thwayt, Thorn(e)thweyt, Thorn(e)thwait 1230 Scotland
  • in Derewentefelles 1275 FF
  • in the Fells 1515 ECP
  • Thornthat 1605 PR(Crosth)
  • Thornewaith in the fells 1543 RichWills
  • Thornythwaite beyond Keswicke 1623 PR(Greystoke)


'Thorn clearing,' v. þveit .