Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
CRICHTON
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: In the Gaelic) criochton signifies a boundary hill, end, limit, landmark; creachton, the hill or castle of plunder, or the ruined, pillaged place.
Patronymica Britannica (1860)
CRICHTON. An ancient castle and estate in Edinburghshire, well known in history, and long the seat of the family.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: Location or geographical feature
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic