kollinen
Kollinen is a surname of German origin. It is believed to derive from the Old High German word "kolin," which is a diminutive of "kol" meaning "coal" or "charcoal." This suggests a possible occupational origin for the name, perhaps belonging to someone who worked with coal or charcoal, or lived near a place associated with these materials.
The surname Kollinen appears to be relatively uncommon, with its highest concentrations historically found in German-speaking