FamilySearch
FamilySearch is constantly adding searchable records. I tested their records for Cook County, Illinois. I note you cannot right click and save a section but if you have Windows 7 you can use the snipping tool. If you hover over a name you get more information, perhaps spouse, parents and/or children. And if it is a vital record you can order a copy from the Cook County Clerk. It produced assorted birth, death and immigration records for the surname. I…