My maternal great-grandmother is name Rozalia Fischer. She was born, lived and died in Hochtetno which is a little town west of Bratislava in Slovakia. She was born in 1886. Her parents were Stefan Fischer and Rozalia Korenics.
My grandparents often referred to the Fischers who were cousins of my grandfather that lived in the Milwaukee area. I have never met any of the Fischers, I just heard my grandparent referring to them. My grandfather who was known by various names, born with the name Frantisek Illy but later in his life while in America changed to Frank Ellak.
Rozalia Korenics had six bothers and sisters. One of them, Teresa Fischer married Frantisek Okhuhlica
If you send me what information that you have, I will see if I can link them up in my tree.