For Olszok there are 5 on Yasni with different names.
Among the most common last names on Yasni Olszok is on position 4522.
The name may be derived from the Polish "olschar = alder" and the "ok" suffix such as diminutive (diminutive or smaller), or serve as a marker of the title: eg "learning". Since I can not speak Polish, I have not checked it.
