Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
COCHRAN
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Local) Cocrinn, Gaelic, a point or promontory in open sight; from Coc, manifest, plain, and rinn, a cape or promontory.
Patronymica Britannica (1860)
COCHRANE. COCHRAN. The family were resident in co. Renfrew for many centuries. See Peerage, Earl of Dundouald. The name is probably local, from a place in the district of Paisley.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic