Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
KEENE
As described in historical dictionaries
Patronymica Britannica (1860)
KEEN. KEENE. Perhaps sometimes from sharpness of disposition ; but sometimes probabl)' the Irish O'Kean, sans 0'. Both Kene and Le Kene occur in H.R.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English