Family name origins & meanings
- Origin uncertain. : Origin uncertain. Most probably a reduced form of Irish McCoach, which is of uncertain derivation, perhaps a variant of McCaig.
- Origin uncertain. : Possibly an altered spelling of French Coache, from the Norman and Picard term for a damson, probably applied as a metonymic occupational name for a grower or seller of plums.
- Origin uncertain. : Possibly an altered spelling of German Koch.