Dear Piotr,

I think I found an answer!

There is a small hamlet, Skwarczki, just 50 kilometers from Krakov.

http://pl.wikipedia.org/wiki/Skwarczki

I know my great-granfather came from Krakov, so maybe his ancestors came from Skwarczki?

Dear Ewa, dear Piotr,

thank you very much! And no, I am not disappointed...

But I have a question: if the name is derived from "heat" or "crackling", is it meant as an attribute of character or appearance?
As if somebody who has red hair is called "Redhead" or someone who is vivacious is called ...

Hello, my name is Lola Skwarczynski. My grandfather spelled the name like this: Skwarczyński . My great-grandfather, Jacob Skwarczyński, came from a town near Kraków.
I have heard that names with -ski come from a place or city or town. But I cannot find a town named Skwarczyn?
Somebody told me that ...