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.

Cassio

Early-attested site in the Parish of Watford

Historical Forms

  • (æt) Cægesho 793 BCS267 13th
  • Cagesho 11th Gesta
  • Kegesho 12th StAlbansN
  • Chaissou, Caissou 1086 DB
  • Kaisho t.Hy2 Dugd 1287 FF
  • Kaiesho t.Hy2 Ch
  • Keyshou 1248 Ass
  • Kayshou 1292 FF
  • Cayshoo 1372 1428 Annales
  • Caysehoo 1459 Cl
  • Cashow 1606 Rental
  • Caysehobrygge 1433 Cassio
  • Cayeshoobery 1509 ib
  • Cayshobure 1536 MinAcct
  • Caysshobure 1544 Dugdii
  • Casshobury, Cayshobury 1545 LP
  • Caysho al. Cayshobury 1574 FF

Etymology

'Cæg 's spur of land,' v. hoh . The name is identical in origin with Keysoe (PN BedsHu 14). The same man gave name to the ford at Cassio Bridge, cf. supra 69. For bury , v. burh (manorial) and infra 243.