Tarnowski Family History
Tarnowski Surname Meaning
Polish and Jewish (eastern Ashkenazic): habitational name for someone from any of the places called Tarnów, Tarnowa, Tarnowiec, and Tarnowo (named with Polish tarn ‘blackthorn’ + -ów suffix).
In the case of the Jewish surname, the source is usually, if not exclusively, Tarnów, a city in Lesser Poland.
Source: Dictionary of American Family Names 2nd edition, 2022
