Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
CONDON
As described in historical dictionaries
Patronymica Britannica (1860)
CONDON. The Condons were deemed so powerful a sept of old, that their territory was adopted as the name of a liarony in CO. Cork. D'Alton.
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