Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
CARMICHAEL
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Local) Assumed from the lands and barony of Carmichael, in the shire of Lanark. The castle or stronghold of Michael, from caer, a castle or fortified place.
Origin: Celtic
Region of origin: British Isles
Country of origin: Scotland
Religion of origin: Christian
Language of origin: Gaelic