To polish speaking people?

im looking for a friend on facebook shes got a polish name and i cant spell it. its pronounced like andrewskavachies does anyone know the spelling?

my friend was born on September 5th in Poland. she wants me to guess her middle name according to her Polish name day. would anyone know what it might be or what i'm talking about?

Hi, whats the polish name of saying female name Johanna, Joanna?

Is there a translation?

I knew a girl who's name was Joanna and in Poland they say it someway else

Thanks!
Thankyou for the responses so far,

However I think the name that I'm thinking of starts with an 'S', any ideas??

Thankyou