Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
KINGDON
As described in historical dictionaries
Patronymica Britannica (1860)
KINGDON. The family have flourished in Cornwall and Devon for some centuries. The name would appear to have been borrowed from Kingdon, an estate near Sharrow in the former county.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English