Source Information

Cook County, Illinois
Ancestry.com. Cook County, Illinois Death Index, 1908-1988 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2008.
Original data: Cook County Clerk. Cook County Clerk Genealogy Records. Cook County Clerk’s Office, Chicago, IL: Cook County Clerk, 2008.

About Cook County, Illinois Death Index, 1908-1988

This database contains an index to over 2.7 million deaths from 1908-1988 for Cook County, Illinois.

Historical Background:

In Illinois, deaths were not generally recorded on a county level until 1877, and the practice was not universal until 1916. Prior to 1916 deaths were only recorded at the county recorder’s office. After 1 January 1916, it became mandatory to record deaths at both the county recorder’s office and the Illinois Department of Public Health.*

About This Database:

This index provides:

  • Name of deceased

  • Death date

  • File number

Once you have found a person of interest, you can order a copy of the person’s death certificate directly from Cook County by following the link provided on the individual’s record page. This link will take you to the Cook County Clerk’s Genealogy website where you can purchase a copy of it.