Family name origins & meanings
- German : variant spelling of Kelzer, habitational name for someone from a place called Kilz near Serno, Saxony-Anhalt, district of Zerbst. Several field names composed with a variant, Kilitz, in an area once populated by Slavic tribes lend proof to the Slavic origin of this name.
- German : nickname for a noisy person, from an agent derivative of Middle High German kelzen ‘to shout’.