Home
Request Lookups
Online
Indexes
Research
Tutorial
Lookups
Available
Helpful
Websites

ChicagoAncestors.org
Locate addresses on map; view nearby institutions; search city directories

Street Re-numbering 1909
Learn about Chicago's street numbering system; convert early addresses

Street Name Changes
Convert old street names to new; guide complied in 1948

Chicago ImageBase
View Chicago fire insurance maps

Federal Township Plats—Illinois

David Rumsey Map Collection

State Census Records
Learn about Illinois state (not federal) census records

A Look At Cook
Locate census enumeration districts