Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
COGHILL
As described in historical dictionaries
Patronymica Britannica (1860)
COGHILL. The baronet descends from John Cockhill of Cockliill, gent., who lived at Kiiaresborough, co. York, temp, llichard II.
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