Bystrz
Bystrz is a Polish surname. It is a relatively uncommon surname, primarily found in Poland. Its etymology is uncertain, but it may be derived from the Polish word "bystry," meaning "sharp," "quick," "clever," or "agile." As a surname, it could have originated as a nickname denoting a person possessing such qualities. Variations in spelling or related surnames may exist. Genealogical research resources focused on Polish surnames could potentially provide more in-depth information regarding its history and distribution.