BachledaumPolish, Slovak From Romanian băchlit meaning "grumpy". In Poland, this surname is typically borne by Gorals, often as part of double surnames like Bachleda-Curuś or Bachleda-Księdzularz.
BağırzadəAzerbaijani Means "descendant of Bağır", using the Persian suffix زاده (zade) meaning "offspring".
BąkowskimPolish Habitational name for someone from any of various places called Bąkowa, Bąkowice, Bąkowiec or Bąkowo, all derived from Polish bąk meaning "horsefly", "bumblebee" or "bittern" (a type of bird), or directly from bąk suffixed with -owski based on habitational surnames.
BuczyńskimPolish Name for a person from any of various settlements named Buczyn or Buczyna, derived from Polish buczyna meaning "beechwood, beech forest".
JodłowiecPolish From a word that used to mean "juniper" in Polish (a dialectal variant of the word jałowiec), or a habitational name for someone from a place named Jodłowa or Jodłówka.
KluczyńskimPolish Derived from Polish klucz meaning "key". A notable bearer was John C. Kluczynski (1896-1975), an American veteran who served as a member of the U.S. House of Representatives.
KoniecznyPolish Originally meant "final, last" in Polish, used to refer to a person who lived at the end of a village.
KöprülüTurkish Derived from Turkish köprü meaning "bridge". It was the name of an influential noble family of Albanian background from the Ottoman Empire.
KostkaPolish From Polish kostka meaning "small bone" or from a form of the name Konstanty.
ŻakPolish A nickname given to youthful or studious people. Comes from the Polish żak, meaning "student" or "schoolboy". It originally meant "novice" or "candidate for the priesthood", and so in some cases it is perhaps a nickname for someone who had been destined for holy orders.
ZawadzkimPolish Habitational name for someone from a place named Zawada or a variant of the surname Zawada, both coming from Polish zawada meaning "hindrance".