Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
KILGOUR
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Gaelic. Local) The ancient name of a parish in Fifeshire, Scotland, so called from kill, a church, and gour, a hill--the church on the hill, or surrounded by hills.
Patronymica Britannica (1860)
KILGOUR. An old Scottish family, who probably derived their name from a place so called in the parish of Falkland, co. Fife.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: From name of parent
Origin: Celtic
Region of origin: British Isles
Country of origin: Ireland
Religion of origin: Christian
Language of origin: Gaelic