I would like to know if anyone else is researching these surnames in cook county:

WEIHER
MATTES
SPUCK
WRONSKI
SCHROEDER
ROLEWICZ / RULEWICZ
ORLOWSKI
MARSHALL
SAKOWICZ
EGERT
LEPARSKI
MIKOLAJCZAK /MIKOLAJCZYK later changed to MICHAELS
MARCINIAK

If you are please contact me. Thank you