Family name origins & meanings
- South German : variant of the occupational name Kohler.
- South German : from Middle High German kolli(e)r ‘leather harness’, ‘horse collar’, ‘neck piece of garment of armor’, hence a metonymic occupational name for a harness maker or armorer.
- German (Köller) : Westphalian habitational name for someone from Cologne (German Köln); Kölle is the Rhenish dialect form of the place name.