As described in historical dictionaries

An Etymological Dictionary of Family and Christian Names (1857)

(origin: Welsh.) Ceinion, beautiful; Cyndyn, stubborn, Concenn or Kynan, strong head, powerful, a leader.

Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.


Patronymica Britannica (1860)

KENYON. Lord Kenjon's family are descended from the Kenyous of Peele, co. Lancaster, and their surname is doubtless derived from the township of Kenyon in that shire.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.


Origin: English

Region of origin: British Isles

Country of origin: England

Religion of origin: Christian

Language of origin: English

BritishSurnames.uk is a Good Stuff website.