What is shimkus name origin?

The surname Shimkus is most commonly found in Lithuania and is of Lithuanian origin. The name is derived from the Lithuanian given name Šimkus, which is a diminutive of the given name Šimanas, meaning "son of Simon". It is a patronymic surname, which means it was originally used to indicate the father's name of the bearer. The name is also spelled as Šimkus, Shimkunas, Shumak, Szymkowiak, and Schimmelpfennig in other parts of Europe.